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1. Which part of the plant is primarily responsible for photosynthesis?
ⓐ. Root
ⓑ. Stem
ⓒ. Leaf
ⓓ. Flower
Correct Answer: Leaf
Explanation: The leaf is the primary organ for photosynthesis in most plants. It contains chlorophyll, which absorbs sunlight to convert carbon dioxide and water into glucose and oxygen, a process vital for the plant’s energy production.
2. What is the primary function of roots in a plant?
ⓐ. To conduct photosynthesis
ⓑ. To absorb water and nutrients
ⓒ. To produce flowers
ⓓ. To store sunlight
Correct Answer: To absorb water and nutrients
Explanation: The roots of a plant are responsible for absorbing water and essential nutrients from the soil. They also anchor the plant and can store food in some species.
3. What is the role of xylem in plants?
ⓐ. Transport of water
ⓑ. Transport of food
ⓒ. Production of flowers
ⓓ. Growth of leaves
Correct Answer: Transport of water
Explanation: Xylem is the tissue in vascular plants responsible for the transport of water and dissolved minerals from the roots to the rest of the plant.
4. Which of the following is a flowering plant?
ⓐ. Fern
ⓑ. Moss
ⓒ. Pine
ⓓ. Rose
Correct Answer: Rose
Explanation: Rose is an example of an angiosperm, a type of flowering plant. Ferns, mosses, and pines do not produce flowers; instead, they reproduce through spores or cones.
5. What type of plant produces seeds but not flowers?
ⓐ. Gymnosperms
ⓑ. Angiosperms
ⓒ. Mosses
ⓓ. Ferns
Correct Answer: Gymnosperms
Explanation: Gymnosperms are plants that produce seeds but do not have flowers. Examples include conifers like pine trees, which bear seeds in cones.
6. Which pigment is responsible for the green color in plants?
ⓐ. Carotenoids
ⓑ. Chlorophyll
ⓒ. Anthocyanins
ⓓ. Xanthophyll
Correct Answer: Chlorophyll
Explanation: Chlorophyll is the pigment that gives plants their green color. It plays a crucial role in photosynthesis by capturing light energy from the sun.
7. What is the process called by which plants lose water through their leaves?
ⓐ. Transpiration
ⓑ. Photosynthesis
ⓒ. Respiration
ⓓ. Germination
Correct Answer: Transpiration
Explanation: Transpiration is the process by which water is absorbed by the roots, transported through the plant, and then evaporated from the leaves into the atmosphere.
8. Which gas is absorbed by plants during photosynthesis?
ⓐ. Oxygen
ⓑ. Carbon dioxide
ⓒ. Nitrogen
ⓓ. Hydrogen
Correct Answer: Carbon dioxide
Explanation: During photosynthesis, plants absorb carbon dioxide from the air and use it to produce glucose, releasing oxygen as a byproduct.
9. Which structure in the plant cell is responsible for photosynthesis?
ⓐ. Mitochondria
ⓑ. Cell wall
ⓒ. Nucleus
ⓓ. Chloroplast
Correct Answer: Chloroplast
Explanation: Chloroplasts are the organelles in plant cells where photosynthesis takes place. They contain chlorophyll, the green pigment that captures light energy.
10. What type of reproduction involves only one parent plant?
ⓐ. Sexual reproduction
ⓑ. Asexual reproduction
ⓒ. Pollination
ⓓ. Cross-fertilization
Correct Answer: Asexual reproduction
Explanation: Asexual reproduction involves only one parent and results in offspring that are genetically identical to the parent. This type of reproduction can occur through processes like budding, fragmentation, or vegetative propagation.
11. Which of the following is an example of a herb?
ⓐ. Mango
ⓑ. Pine
ⓒ. Oak
ⓓ. Basil
Correct Answer: Basil
Explanation: Basil is an example of a herb, which is typically a small, non-woody plant with a short lifespan. Herbs are generally soft-stemmed and are often used for their aromatic properties in cooking, medicine, or perfumes. Mango, Oak, and Pine are trees, not herbs.
12. What distinguishes a shrub from a herb?
ⓐ. Shrubs have multiple woody stems, while herbs have soft, non-woody stems
ⓑ. Shrubs are larger than herbs
ⓒ. Shrubs only grow in specific climates
ⓓ. Shrubs cannot produce flowers
Correct Answer: Shrubs have multiple woody stems, while herbs have soft, non-woody stems
Explanation: The primary difference between shrubs and herbs is their structure. Shrubs have multiple woody stems and can grow to a moderate height, typically between 1 to 3 meters. Herbs, on the other hand, have soft, flexible stems and are usually shorter and non-woody, with a limited lifespan.
13. Which of the following plants is classified as a shrub?
ⓐ. Mint
ⓑ. Rose
ⓒ. Grass
ⓓ. Bamboo
Correct Answer: Rose
Explanation: Rose is classified as a shrub because it has multiple woody stems and can grow to a moderate height. Shrubs are distinguished by their dense structure and persistent woody branches, unlike herbs, which have softer stems. Mint and grass are herbs, while bamboo is considered a giant grass.
14. Why are herbs generally smaller than shrubs?
ⓐ. Herbs have fewer nutrients
ⓑ. Herbs grow in poorer soil
ⓒ. Herbs have shorter lifespans and softer stems
ⓓ. Herbs do not perform photosynthesis
Correct Answer: Herbs have shorter lifespans and softer stems
Explanation: Herbs are smaller because they typically have softer, non-woody stems and a shorter lifespan than shrubs. Their structure limits their height and durability compared to shrubs, which have woody stems that support greater growth and longevity.
15. Which of the following is a characteristic feature of shrubs?
ⓐ. They have woody stems that branch close to the ground
ⓑ. They are always evergreen
ⓒ. They grow in tropical regions only
ⓓ. They are shorter than herbs
Correct Answer: They have woody stems that branch close to the ground
Explanation: Shrubs are characterized by their woody stems that branch out near the base of the plant. This gives them a dense, bushy appearance. Unlike herbs, which have soft stems, shrubs can grow in various regions and can either be evergreen or deciduous, depending on the species.
16. Which of the following is not classified as a herb?
ⓐ. Mint
ⓑ. Thyme
ⓒ. Hibiscus
ⓓ. Coriander
Correct Answer: Hibiscus
Explanation: Hibiscus is a shrub, not a herb. It has a woody stem and can grow much taller than typical herbs. Herbs like Mint, Thyme, and Coriander have soft, non-woody stems and are often used for culinary or medicinal purposes, unlike the woody and more permanent structure of shrubs like Hibiscus.
17. Which plant has a lifespan of one growing season and is classified as a herb?
ⓐ. Peony
ⓑ. Rosemary
ⓒ. Basil
ⓓ. Jasmine
Correct Answer: Basil
Explanation: Basil is classified as an annual herb, meaning it completes its lifecycle within a single growing season. It grows quickly, flowers, and produces seeds before dying, unlike perennial shrubs like Jasmine or Peony that live for multiple seasons. Rosemary, though used as a herb, is technically a shrub due to its woody stems.
18. Which of the following plants is an example of a perennial shrub?
ⓐ. Wheat
ⓑ. Hibiscus
ⓒ. Basil
ⓓ. Sunflower
Correct Answer: Hibiscus
Explanation: Hibiscus is a perennial shrub, meaning it can live for several years and grows woody stems that support its continued growth. Unlike herbs such as Wheat or Basil, which complete their life cycle in a single season, perennial shrubs like Hibiscus can flower and produce seeds for many years.
19. Which of the following best describes the growth habit of shrubs?
ⓐ. Tall, single woody trunk
ⓑ. Multiple woody stems branching from the base
ⓒ. Soft, flexible stems
ⓓ. Short and non-woody with no branches
Correct Answer: Multiple woody stems branching from the base
Explanation: Shrubs typically have multiple woody stems that branch from the base, giving them a dense, bushy appearance. They are smaller than trees, which have a single trunk, but more robust than herbs, which usually have soft and non-woody stems.
20. What makes herbs more suitable for short-term growth compared to shrubs?
ⓐ. Herbs require more sunlight
ⓑ. Herbs do not need soil nutrients
ⓒ. Herbs need less water
ⓓ. Herbs have soft stems and grow quickly, completing their life cycle in one or two seasons
Correct Answer: Herbs have soft stems and grow quickly, completing their life cycle in one or two seasons
Explanation: Herbs grow quickly, with soft, flexible stems that allow them to complete their life cycle within a short period, typically one or two growing seasons. This makes them ideal for short-term cultivation. Shrubs, on the other hand, have woody stems that support longer growth periods, allowing them to survive multiple seasons.
21. Which of the following is an example of a climber plant?
ⓐ. Mango
ⓑ. Pea
ⓒ. Tulsi
ⓓ. Grass
Correct Answer: Pea
Explanation: Pea plants are climbers that use tendrils to latch onto nearby objects for support as they grow upward. Climbers rely on external structures for support in their vertical growth, unlike shrubs or trees, which have strong trunks or stems.
22. What characteristic differentiates a climber from a creeper?
ⓐ. Climbers grow horizontally while creepers grow vertically
ⓑ. Climbers use external support to grow vertically, while creepers grow along the ground
ⓒ. Climbers have woody stems, while creepers have non-woody stems
ⓓ. Climbers grow only in tropical regions, while creepers grow worldwide
Correct Answer: Climbers grow only in tropical regions, while creepers grow worldwide
Explanation: Climbers grow upward by using support from nearby structures, while creepers have weak stems and grow horizontally across the ground. Climbers generally prefer tropical environments but are not restricted to such regions.
23. Which plant is classified as a creeper?
ⓐ. Watermelon
ⓑ. Grapevine
ⓒ. Rose
ⓓ. Hibiscus
Correct Answer: Watermelon
Explanation: Watermelon is a creeper because it grows horizontally along the ground due to its weak, trailing stem. Creepers are unable to grow vertically and instead spread over large areas.
24. How do climbers manage to grow upward despite having weak stems?
ⓐ. They have strong roots
ⓑ. They wrap around other plants or structures for support
ⓒ. They grow only in water
ⓓ. They develop hard bark over time
Correct Answer: They wrap around other plants or structures for support
Explanation: Climbers, like grapevines and peas, rely on external structures for support by wrapping tendrils or stems around them. Their weak stems cannot hold them upright independently, so they need assistance to grow vertically.
25. Which of the following is not a climber plant?
ⓐ. Money plant
ⓑ. Jasmine
ⓒ. Rose
ⓓ. Pumpkin
Correct Answer: Rose
Explanation: Rose is a shrub, not a climber. Climbers need external support for vertical growth, while shrubs like Rose have woody stems that provide their own structural support.
26. What type of plant is the pumpkin?
ⓐ. Climber
ⓑ. Creeper
ⓒ. Tree
ⓓ. Shrub
Correct Answer: Creeper
Explanation: Pumpkin is a creeper, meaning it grows horizontally along the ground due to its weak stem. Creepers typically spread across the ground and do not seek vertical support like climbers.
27. Which of the following is a common method by which creepers spread?
ⓐ. Growing upward using tendrils
ⓑ. Forming runners or stolons that extend along the ground
ⓒ. Producing strong woody stems
ⓓ. Growing roots from leaves
Correct Answer: Forming runners or stolons that extend along the ground
Explanation: Creepers often produce runners or stolons—horizontal stems that grow along the ground and form roots at nodes, allowing the plant to spread over large areas.
28. Which of the following climbers is commonly grown indoors?
ⓐ. Banyan tree
ⓑ. Money plant
ⓒ. Watermelon
ⓓ. Cactus
Correct Answer: Money plant
Explanation: The Money plant is a popular indoor climber due to its adaptability and trailing vines. Its ability to grow in low light makes it an ideal plant for indoor environments.
29. Which type of plant is suitable for covering fences and walls?
ⓐ. Creepers
ⓑ. Climbers
ⓒ. Trees
ⓓ. Grasses
Correct Answer: Creepers
Explanation: Creepers, such as ivy or grapevines, are well-suited for covering fences and walls because they can grow vertically by clinging to or wrapping around structures. Climbers, on the other hand, spread horizontally and are not suitable for vertical coverage.
30. Which of the following is an example of a climber that uses tendrils to climb?
ⓐ. Bougainvillea
ⓑ. Grape
ⓒ. Mint
ⓓ. Bamboo
Correct Answer: Bamboo
Explanation: Bamboo is classified as a climber because it uses tendrils to climb and latch onto nearby structures for support. While it grows upward, its flexible stems are supported by wrapping around external objects.
31. Which of the following is an example of a deciduous tree?
ⓐ. Pine
ⓑ. Coconut
ⓒ. Mango
ⓓ. Bamboo
Correct Answer: Mango
Explanation: Mango is a deciduous tree, which means it sheds its leaves annually, usually during the dry or cold season. Deciduous trees conserve water and energy by shedding their leaves when the weather is unfavorable for growth.
32. What characteristic defines an evergreen tree?
ⓐ. It sheds leaves during the dry season
ⓑ. It retains leaves throughout the year
ⓒ. It grows only in tropical regions
ⓓ. It produces flowers in winter
Correct Answer: It retains leaves throughout the year
Explanation: Evergreen trees retain their leaves throughout the year, allowing them to continuously photosynthesize. This adaptation is particularly beneficial in regions with year-round growth conditions, such as tropical or temperate climates.
33. Which of the following trees is known for having needle-like leaves?
ⓐ. Oak
ⓑ. Maple
ⓒ. Pine
ⓓ. Banyan
Correct Answer: Pine
Explanation: Pine trees are conifers and have needle-like leaves, which help reduce water loss in cold or dry environments. This leaf structure is an adaptation to conserve moisture, making pine trees well-suited to harsh climates.
34. What type of tree is a Banyan tree?
ⓐ. Deciduous
ⓑ. Evergreen
ⓒ. Coniferous
ⓓ. Ficus
Correct Answer: Ficus
Explanation: The Banyan tree belongs to the Ficus genus, known for its extensive root systems and massive canopy. It is also an evergreen tree, meaning it does not shed its leaves annually but retains them year-round.
35. Which of the following is a characteristic of coniferous trees?
ⓐ. They produce cones instead of flowers
ⓑ. They have broad, flat leaves
ⓒ. They lose leaves every winter
ⓓ. They grow only in tropical regions
Correct Answer: They produce cones instead of flowers
Explanation: Coniferous trees, such as pines and firs, produce cones that contain seeds. This characteristic differentiates them from deciduous trees, which produce flowers. Conifers typically have needle-like leaves and are well-adapted to cold environments.
36. Which tree is known for producing acorns?
ⓐ. Pine
ⓑ. Oak
ⓒ. Cedar
ⓓ. Palm
Correct Answer: Oak
Explanation: Oak trees are known for producing acorns, which are their seeds. Acorns provide food for wildlife and are a key identifying feature of oak trees, which are typically large, broad-leaved, and deciduous.
37. What is the primary function of a tree’s roots?
ⓐ. To absorb water and nutrients from the soil
ⓑ. To produce seeds for reproduction
ⓒ. To store carbon dioxide
ⓓ. To support branches
Correct Answer: To absorb water and nutrients from the soil
Explanation: The roots of a tree serve to absorb water and nutrients from the soil, which are vital for the tree’s growth and development. Roots also anchor the tree in the ground and store nutrients and water for later use.
38. Which of the following is a slow-growing tree species?
ⓐ. Bamboo
ⓑ. Palm
ⓒ. Oak
ⓓ. Willow
Correct Answer: Oak
Explanation: Oak trees are known for their slow growth, which allows them to develop strong, dense wood. This slow growth rate enables them to live for many years and grow into large, sturdy trees with wide canopies.
39. What is the primary use of teak wood?
ⓐ. Making paper
ⓑ. Building furniture
ⓒ. Fuel for cooking
ⓓ. Decorative plants
Correct Answer: Building furniture
Explanation: Teak wood is highly valued for its durability, water resistance, and beauty, making it ideal for high-quality furniture and outdoor constructions. Its natural oils also make it resistant to pests and decay, contributing to its long-lasting nature.
40. Which of the following trees can be classified as evergreen?
ⓐ. Maple
ⓑ. Birch
ⓒ. Oak
ⓓ. Cedar
Correct Answer: Cedar
Explanation: Cedar trees are evergreen, meaning they retain their leaves throughout the year. These trees are commonly found in mountainous regions and have aromatic wood that is used in construction and furniture-making. Their ability to photosynthesize year-round makes them resilient in various climates.
41. Which of the following is a characteristic of monocot plants?
ⓐ. Leaves with parallel venation
ⓑ. Two cotyledons in seeds
ⓒ. Vascular bundles arranged in a ring
ⓓ. Taproot system
Correct Answer: Leaves with parallel venation
Explanation: Monocot plants are characterized by leaves with parallel venation, where the veins run parallel to each other. Monocots also have a single cotyledon in their seeds, and their vascular bundles are scattered rather than arranged in a ring.
42. Which plant is an example of a dicot?
ⓐ. Corn
ⓑ. Mango
ⓒ. Rice
ⓓ. Wheat
Correct Answer: Mango
Explanation: Mango is a dicot plant, meaning it has two cotyledons in its seeds. Dicots also typically have leaves with netted venation, taproot systems, and vascular bundles arranged in a ring.
43. What type of root system is commonly found in monocots?
ⓐ. Taproot
ⓑ. Buttress root
ⓒ. Adventitious root
ⓓ. Fibrous root
Correct Answer: Fibrous root
Explanation: Monocots usually have a fibrous root system, where multiple roots grow from the base of the stem and spread out into the soil. This contrasts with dicots, which often have a taproot system with one main root.
44. Which feature distinguishes dicot plants from monocots?
ⓐ. Flowers in multiples of three
ⓑ. Parallel leaf venation
ⓒ. Two cotyledons in the seed
ⓓ. Fibrous root system
Correct Answer: Two cotyledons in the seed
Explanation: Dicot plants have two cotyledons in their seeds, which is a key feature that distinguishes them from monocots, which have only one cotyledon. Dicots also typically have netted leaf venation and a taproot system.
45. Which of the following is a monocot plant?
ⓐ. Pea
ⓑ. Rose
ⓒ. Orchid
ⓓ. Sunflower
Correct Answer: Orchid
Explanation: Orchids are monocots, meaning they have a single cotyledon in their seeds. Other characteristics of monocots include parallel venation in the leaves and a fibrous root system. Many flowering plants, such as lilies and grasses, are monocots.
46. What kind of vascular arrangement is found in monocot stems?
ⓐ. Scattered vascular bundles
ⓑ. Vascular bundles arranged in a ring
ⓒ. No vascular bundles
ⓓ. Vascular bundles in the center only
Correct Answer: Scattered vascular bundles
Explanation: In monocot plants, vascular bundles are scattered throughout the stem without any particular arrangement. This is a key difference from dicots, where the vascular bundles are arranged in a ring.
47. Which of the following describes a dicot leaf?
ⓐ. Parallel venation
ⓑ. No visible veins
ⓒ. No stomata
ⓓ. Netted or reticulate venation
Correct Answer: Netted or reticulate venation
Explanation: Dicots have leaves with netted or reticulate venation, where the veins form a network across the leaf. This is in contrast to monocots, which typically have leaves with parallel venation.
48. Which of the following is a major crop classified as a monocot?
ⓐ. Corn
ⓑ. Pea
ⓒ. Tomato
ⓓ. Oak
Correct Answer: Corn
Explanation: Corn is a major crop and a classic example of a monocot. It has a fibrous root system, parallel venation in the leaves, and a single cotyledon in the seed. Other monocots include wheat, rice, and barley.
49. In dicot plants, the vascular bundles are arranged in which pattern?
ⓐ. Scattered throughout the stem
ⓑ. Arranged in a ring
ⓒ. Absent in stems
ⓓ. Present only in roots
Correct Answer: Arranged in a ring
Explanation: In dicot plants, the vascular bundles are arranged in a ring within the stem. This pattern is one of the primary distinguishing features between monocots and dicots, as monocots have scattered vascular bundles.
50. Which of the following is a key feature of angiosperms?
ⓐ. Naked seeds
ⓑ. Seeds enclosed in fruits
ⓒ. Production of cones
ⓓ. No vascular tissue
Correct Answer: Seeds enclosed in fruits
Explanation: Angiosperms, also known as flowering plants, are characterized by seeds that develop inside fruits. This adaptation provides protection and facilitates seed dispersal, allowing angiosperms to thrive in various environments. Flowers also play a crucial role in attracting pollinators, enhancing genetic diversity through cross-pollination, and contributing to the ecological success of these plants.
51. Which of the following is an example of a gymnosperm?
ⓐ. Pine tree
ⓑ. Apple tree
ⓒ. Rose bush
ⓓ. Fern
Correct Answer: Pine tree
Explanation: The pine tree is a classic example of a gymnosperm, which produces seeds that are not enclosed within fruits but instead develop on the surfaces of cones. Gymnosperms are well-adapted to cooler climates, where their needle-like leaves minimize water loss and their reproductive strategies are suited for survival in harsh environments.
52. What type of reproduction is typical for gymnosperms?
ⓐ. Pollination by insects
ⓑ. Asexual reproduction
ⓒ. Reproduction by spores
ⓓ. Pollination by wind
Correct Answer: Pollination by wind
Explanation: Gymnosperms predominantly rely on wind for pollination. They produce large quantities of pollen to enhance the likelihood of fertilization, as they do not possess flowers to attract animal pollinators like angiosperms. This adaptation allows gymnosperms to successfully reproduce in various habitats, especially where insect populations may be low.
53. Which of the following plants belongs to the angiosperms?
ⓐ. Fern
ⓑ. Cycad
ⓒ. Rose
ⓓ. Ginkgo
Correct Answer: Rose
Explanation: The rose is a quintessential angiosperm, characterized by its ability to produce flowers and seeds that are enclosed within fruits. This reproductive strategy not only aids in seed protection but also enhances dispersal mechanisms, which contribute to the widespread distribution of angiosperms across diverse ecosystems.
54. How do angiosperms differ from gymnosperms in terms of seed development?
ⓐ. Gymnosperms have seeds inside fruits, while angiosperms do not
ⓑ. Angiosperms have seeds enclosed in fruits, while gymnosperms have exposed seeds
ⓒ. Angiosperms produce seeds on the surface of cones
ⓓ. Angiosperms and gymnosperms have the same seed structure
Correct Answer: Angiosperms have seeds enclosed in fruits, while gymnosperms have exposed seeds
Explanation: The main difference between angiosperms and gymnosperms lies in seed development. Angiosperms protect their seeds within fruits, providing essential protection and aiding in dispersal through various mechanisms. In contrast, gymnosperms have seeds that are exposed, typically found on the scales of cones, leading to different evolutionary adaptations and ecological roles.
55. Which of the following is a characteristic of gymnosperms?
ⓐ. Flowering plants with fruits
ⓑ. Seeds exposed on cones
ⓒ. Vascular bundles arranged in rings
ⓓ. Seeds enclosed in pods
Correct Answer: Seeds exposed on cones
Explanation: Gymnosperms are characterized by their seeds, which are exposed on the surface of cones. This feature is key to understanding their reproductive strategies, which differ significantly from those of angiosperms. By producing seeds in this manner, gymnosperms are adapted to various environments, allowing them to thrive in conditions that might be less favorable for flowering plants.
56. Which of the following plants is classified as an angiosperm?
ⓐ. Pine
ⓑ. Cycad
ⓒ. Orchid
ⓓ. Ginkgo
Correct Answer: Orchid
Explanation: Orchids are a highly diverse group of angiosperms, known for their intricate flowers and various adaptations for attracting pollinators. They produce seeds that are enclosed within fruits, allowing them to exploit different ecological niches. This diversity in reproductive strategies highlights the evolutionary success of angiosperms in many environments, including tropical and temperate regions.
57. In which environment are gymnosperms most commonly found?
ⓐ. Cold, temperate regions
ⓑ. Tropical rainforests
ⓒ. Deserts
ⓓ. Freshwater ecosystems
Correct Answer: Cold, temperate regions
Explanation: Gymnosperms are predominantly found in cold, temperate regions where their adaptations—such as needle-like leaves and cone-based reproduction—allow them to thrive in harsh climates. They are often the dominant plants in coniferous forests, providing habitats for various species and playing a vital role in the ecological balance of these environments.
58. Which reproductive structure is unique to angiosperms?
ⓐ. Rhizoids
ⓑ. Spores
ⓒ. Cones
ⓓ. Flowers
Correct Answer: Flowers
Explanation: Flowers are a defining characteristic of angiosperms, serving as the reproductive organs that contain both male and female structures. The evolution of flowers has enabled angiosperms to develop various strategies for pollination, often relying on insects, birds, and other animals, which significantly enhances their reproductive success and contributes to their dominance in many ecosystems.
59. Which of the following plants is classified as an angiosperm?
ⓐ. Maple
ⓑ. Ginkgo
ⓒ. Cycad
ⓓ. Fern
Correct Answer: Maple
Explanation: The maple tree is an angiosperm that produces flowers and has seeds enclosed within fruits (helicopters). Angiosperms are known for their reproductive diversity and ability to adapt to various environments. Maples play an essential role in their ecosystems by providing habitat and food sources for wildlife, while also contributing to the aesthetic value of landscapes.
60. Which of the following best describes the seeds of gymnosperms?
ⓐ. Enclosed in a fruit
ⓑ. Exposed on the surface of cones
ⓒ. Produced in flowers
ⓓ. Formed from spores
Correct Answer: Exposed on the surface of cones
Explanation: Gymnosperms are unique in that their seeds are exposed on the surface of cones rather than being enclosed in fruits. This characteristic distinguishes them from angiosperms and reflects their evolutionary adaptations to specific environments. By relying on wind for seed dispersal, gymnosperms can effectively reproduce in areas where flowering plants might not thrive.
61. What is the highest taxonomic rank in the biological classification system?
ⓐ. Phylum
ⓑ. Class
ⓒ. Domain
ⓓ. Kingdom
Correct Answer: Domain
Explanation: The highest taxonomic rank in the biological classification system is the domain. This category groups organisms based on fundamental differences in cell structure and genetic makeup. The three domains of life are Archaea, Bacteria, and Eukarya. This classification helps scientists understand evolutionary relationships and the diversity of life on Earth, providing a framework for organizing biological knowledge.
62. Which of the following ranks comes directly below the kingdom in the biological classification hierarchy?
ⓐ. Class
ⓑ. Order
ⓒ. Family
ⓓ. Phylum
Correct Answer: Phylum
Explanation: In the biological classification hierarchy, the rank that comes directly below the kingdom is the phylum. Each kingdom is divided into multiple phyla, which group organisms based on shared characteristics and evolutionary relationships. For example, the animal kingdom includes several phyla, such as Chordata (vertebrates) and Arthropoda (insects, arachnids, and crustaceans), showcasing the diversity of life forms within each kingdom.
63. What is the primary purpose of plant taxonomy?
ⓐ. To study plant physiology
ⓑ. To classify and name plants
ⓒ. To investigate plant diseases
ⓓ. To enhance agricultural practices
Correct Answer: To classify and name plants
Explanation: The primary purpose of plant taxonomy is to classify and name plants in a systematic manner, providing a universal language for scientists to communicate about different species. By organizing plants based on shared characteristics, taxonomy helps researchers understand relationships among species and their evolutionary history. This classification is crucial for biodiversity conservation, ecological research, and understanding the roles plants play in their ecosystems.
64. Which of the following is the correct order of taxonomic ranks from broadest to most specific?
ⓐ. Kingdom, Phylum, Class, Order
ⓑ. Domain, Kingdom, Class, Family
ⓒ. Phylum, Order, Family, Genus
ⓓ. Class, Order, Family, Species
Correct Answer: Kingdom, Phylum, Class, Order
Explanation: The correct order of taxonomic ranks from broadest to most specific is Kingdom, Phylum, Class, Order. This hierarchical structure allows scientists to categorize organisms at different levels of relatedness. Each rank narrows down the classification, providing more specific information about the organisms’ characteristics and evolutionary relationships. Understanding this hierarchy is essential for accurate identification and study of plant and animal species.
65. Which taxonomic rank is the most specific?
ⓐ. Family
ⓑ. Genus
ⓒ. Species
ⓓ. Order
Correct Answer: Species
Explanation: The most specific taxonomic rank is the species. A species is defined as a group of organisms that can interbreed and produce fertile offspring under natural conditions. The concept of species is fundamental in biology, as it helps to categorize the vast diversity of life on Earth. Understanding species boundaries is essential for ecological research, conservation efforts, and the study of evolutionary processes.
66. What is the primary characteristic used to classify plants into different phyla?
ⓐ. Photosynthesis capability
ⓑ. Seed production
ⓒ. Vascular structure
ⓓ. Growth habit
Correct Answer: Vascular structure
Explanation: The primary characteristic used to classify plants into different phyla is their vascular structure. Vascular plants possess specialized tissues (xylem and phloem) for transporting water, nutrients, and food throughout the organism. This classification helps distinguish between different plant groups, such as vascular plants (e.g., ferns, gymnosperms, angiosperms) and non-vascular plants (e.g., mosses, liverworts), which lack such structures and have different adaptations for survival.
67. Which taxonomic group includes both ferns and flowering plants?
ⓐ. Kingdom Plantae
ⓑ. Phylum Angiosperms
ⓒ. Class Gymnospermae
ⓓ. Family Pteridophyta
Correct Answer: Kingdom Plantae
Explanation: The taxonomic group that includes both ferns and flowering plants is the Kingdom Plantae. This kingdom encompasses all land plants, characterized by their ability to perform photosynthesis and their diverse reproductive strategies. Within the kingdom, plants are further divided into various phyla based on their reproductive structures, life cycles, and morphology, showcasing the rich diversity of plant life.
68. In which taxonomic rank are organisms grouped based on shared characteristics and evolutionary relationships?
ⓐ. Domain
ⓑ. Family
ⓒ. Class
ⓓ. Phylum
Correct Answer: Family
Explanation: In taxonomy, organisms are grouped based on shared characteristics and evolutionary relationships primarily at the family rank. Families consist of related genera (plural of genus) that exhibit similar traits, providing a more refined classification within broader categories such as orders and classes. Understanding family relationships among plants is crucial for studying ecological interactions, evolution, and conservation efforts.
69. Which of the following is a correct example of the scientific naming of a plant?
ⓐ. Rosa rubiginosa
ⓑ. Rosaceae
ⓒ. Rubus fruticosus
ⓓ. Plantae
Correct Answer: Rosa rubiginosa
Explanation: “Rosa rubiginosa” is a correct example of the scientific naming of a plant, following the binomial nomenclature system developed by Carl Linnaeus. In this system, the first part of the name represents the genus (Rosa), and the second part designates the species (rubiginosa). This standardized naming convention allows scientists to communicate clearly about specific plants, reducing confusion caused by common names.
70. What role does taxonomy play in ecology?
ⓐ. It defines the structure of ecosystems.
ⓑ. It determines the climate of an area.
ⓒ. It identifies relationships among organisms.
ⓓ. It measures plant growth rates.
Correct Answer: It identifies relationships among organisms.
Explanation: Taxonomy plays a crucial role in ecology by identifying relationships among organisms, which is essential for understanding ecosystem dynamics. By classifying organisms based on shared characteristics and evolutionary history, taxonomy helps ecologists study species interactions, biodiversity, and community structure. This understanding is vital for conservation efforts, habitat management, and predicting the impacts of environmental changes on different species and their habitats.
71. Which of the following taxonomic ranks includes the most specific group of plants?
ⓐ. Family
ⓑ. Genus
ⓒ. Kingdom
ⓓ. Order
Correct Answer: Genus
Explanation: The genus is a taxonomic rank that includes a group of closely related species and is more specific than family and order. For example, the genus *Malus* includes various species of apple trees. Understanding the genus is important for botanists as it helps in identifying plants and understanding their relationships to other groups, including the family and species they belong to.
72. In the classification system, which rank is immediately below the phylum?
ⓐ. Class
ⓑ. Order
ⓒ. Family
ⓓ. Species
Correct Answer: Class
Explanation: In the biological classification system, the rank immediately below the phylum is the class. Each phylum is divided into multiple classes based on shared traits. For example, the phylum *Angiosperms* is divided into classes such as *Monocotyledonae* and *Dicotyledonae*, allowing for further categorization of plants based on their features and evolutionary relationships.
73. What term is used to describe the science of naming and classifying organisms?
ⓐ. Phylogenetics
ⓑ. Taxonomy
ⓒ. Ecology
ⓓ. Morphology
Correct Answer: Taxonomy
Explanation: Taxonomy is the science of naming and classifying organisms, including plants. It involves creating a hierarchical system that organizes living things based on shared characteristics and evolutionary relationships. Taxonomists use various criteria, such as morphology, genetic information, and ecological factors, to classify organisms accurately. This systematic approach is fundamental for biodiversity conservation and ecological research.
74. Which kingdom includes organisms that are primarily multicellular and photosynthetic?
ⓐ. Kingdom Fungi
ⓑ. Kingdom Protista
ⓒ. Kingdom Animalia
ⓓ. Kingdom Plantae
Correct Answer: Kingdom Plantae
Explanation: Kingdom Plantae includes organisms that are primarily multicellular and photosynthetic, such as trees, shrubs, and grasses. Plants play a critical role in ecosystems by producing oxygen and serving as the primary producers in food chains. This kingdom encompasses a wide range of plant forms and functions, reflecting the diversity of life on Earth and its adaptation to various habitats.
75. Which of the following is a characteristic that differentiates dicots from monocots?
ⓐ. Number of seed leaves (cotyledons)
ⓑ. Type of reproductive structures
ⓒ. Type of photosynthesis
ⓓ. Growth rate
Correct Answer: Number of seed leaves (cotyledons)
Explanation: One of the main characteristics that differentiate dicots from monocots is the number of seed leaves, or cotyledons. Dicots typically have two cotyledons, while monocots have one. This difference has implications for plant development, leaf structure, and flower arrangements. Understanding these distinctions is essential for plant taxonomy and helps in identifying and categorizing different plant species.
76. What is the primary method used by taxonomists to categorize plants into families?
ⓐ. Growth habit
ⓑ. Morphological features
ⓒ. Geographic distribution
ⓓ. Photosynthetic pathways
Correct Answer: Morphological features
Explanation: Taxonomists primarily use morphological features to categorize plants into families. This includes characteristics such as leaf shape, flower structure, stem type, and reproductive features. By examining these physical traits, taxonomists can establish relationships among different plant species, allowing them to group related species into families based on shared characteristics and evolutionary history.
77. In the classification system, which group is composed of multiple genera?
ⓐ. Class
ⓑ. Order
ⓒ. Family
ⓓ. Kingdom
Correct Answer: Family
Explanation: In the biological classification system, a family is composed of multiple genera (plural of genus) that share certain characteristics. For example, the family *Rosaceae* includes genera such as *Rosa* (roses) and *Malus* (apples). This hierarchical organization allows scientists to classify and understand relationships among different plant groups, aiding in ecological and evolutionary studies.
78. Which of the following is not a characteristic used in plant taxonomy?
ⓐ. Leaf arrangement
ⓑ. Flower color
ⓒ. Seed structure
ⓓ. Soil type
Correct Answer: Soil type
Explanation: Soil type is not a characteristic used in plant taxonomy. Instead, taxonomists focus on intrinsic features of the plants themselves, such as leaf arrangement, flower color, seed structure, and reproductive strategies. These characteristics provide insights into the evolutionary relationships among plants and help classify them into appropriate taxonomic ranks, facilitating scientific communication about plant species.
79. What does the term “binomial nomenclature” refer to in taxonomy?
ⓐ. The classification of organisms based on color
ⓑ. The naming system using two Latin names
ⓒ. The grouping of organisms based on geographic location
ⓓ. The description of an organism’s habitat
Correct Answer: The naming system using two Latin names
Explanation: Binomial nomenclature is a formal naming system in taxonomy that uses two Latin names to uniquely identify a species. The first name represents the genus, and the second name identifies the specific species within that genus. This system, developed by Carl Linnaeus, provides a universal standard for naming organisms, reducing confusion and allowing scientists to communicate effectively about different species.
80. Which of the following levels of classification is used to group plants that share common ancestors?
ⓐ. Genus
ⓑ. Family
ⓒ. Order
ⓓ. Class
Correct Answer: Order
Explanation: The level of classification used to group plants that share common ancestors is called an order. An order encompasses multiple families that are believed to have evolved from a common ancestor, allowing for a broader understanding of evolutionary relationships. For example, the order *Rosales* includes families like *Rosaceae* (roses) and *Moraceae* (figs), highlighting their shared evolutionary history.
81. What is the primary function of roots in plants?
ⓐ. Photosynthesis
ⓑ. Water storage
ⓒ. Reproduction
ⓓ. Nutrient absorption
Correct Answer: Nutrient absorption
Explanation: The primary function of roots in plants is nutrient absorption. Roots anchor the plant in the soil and are responsible for taking up water and essential nutrients needed for growth and development. They also play a crucial role in stabilizing the plant, preventing it from being uprooted by wind or water flow. Additionally, some roots can store food and energy, further supporting the plant’s vitality.
82. Which part of the plant is responsible for transporting water and nutrients from the roots to the leaves?
ⓐ. Phloem
ⓑ. Xylem
ⓒ. Stems
ⓓ. Flowers
Correct Answer: Xylem
Explanation: The xylem is the part of the plant responsible for transporting water and nutrients from the roots to the leaves. It consists of specialized tissue that allows for efficient movement of water through capillary action and evaporation processes. Xylem plays a vital role in maintaining the plant’s hydration and supporting photosynthesis by delivering essential resources to the leaves, where they are converted into energy.
83. What is the main role of leaves in plants?
ⓐ. Reproduction
ⓑ. Storage
ⓒ. Photosynthesis
ⓓ. Transportation
Correct Answer: Photosynthesis
Explanation: The main role of leaves in plants is photosynthesis, the process by which plants convert light energy into chemical energy. Leaves contain chlorophyll, the green pigment that captures sunlight, and other structures such as stomata that allow for gas exchange. Through photosynthesis, leaves produce oxygen and glucose, which are essential for the plant’s growth and energy needs, and they significantly contribute to the Earth’s oxygen supply.
84. What is a flower primarily responsible for in a plant?
ⓐ. Nutrient storage
ⓑ. Water uptake
ⓒ. Photosynthesis
ⓓ. Reproduction
Correct Answer: Reproduction
Explanation: A flower is primarily responsible for reproduction in a plant. It is the reproductive structure that facilitates the process of pollination and fertilization. Flowers contain male (stamens) and female (pistils) reproductive organs that produce pollen and ovules, respectively. The successful fertilization of ovules leads to the formation of seeds, ensuring the continuation of plant species and genetic diversity.
85. Which part of the plant develops into fruit after fertilization?
ⓐ. Seed
ⓑ. Ovule
ⓒ. Ovary
ⓓ. Stamen
Correct Answer: Ovary
Explanation: The ovary of the flower develops into fruit after fertilization occurs. The ovary contains ovules, which become seeds once fertilized. Fruits serve to protect these developing seeds and aid in their dispersal, often through mechanisms such as wind, water, or animals. By attracting animals with their color and sweetness, fruits enhance the chances of seed dispersal, contributing to plant reproduction and species spread.
86. What is the primary function of phloem in plants?
ⓐ. Water transport
ⓑ. Nutrient transport
ⓒ. Support
ⓓ. Food transport
Correct Answer: Food transport
Explanation: The primary function of phloem in plants is to transport food, particularly the sugars produced during photosynthesis, from the leaves to other parts of the plant. Phloem consists of living cells that facilitate the bidirectional flow of nutrients, ensuring that all parts of the plant receive the energy required for growth and development. This transport system is essential for the overall health and functioning of the plant.
87. Which of the following structures is responsible for the formation of new roots?
ⓐ. Nodes
ⓑ. Buds
ⓒ. Meristems
ⓓ. Leaves
Correct Answer: Meristems
Explanation: Meristems are regions of undifferentiated cells in plants that are responsible for the formation of new roots, shoots, and leaves. These cells can divide and differentiate into various types of plant tissues, allowing for growth and regeneration. The activity of meristems is crucial for a plant’s ability to adapt to its environment, recover from damage, and continue growing throughout its life cycle.
88. What type of plant structure is a seed?
ⓐ. A reproductive structure
ⓑ. A storage structure
ⓒ. A transport structure
ⓓ. A support structure
Correct Answer: A reproductive structure
Explanation: A seed is a reproductive structure that contains an embryo, which can develop into a new plant under favorable conditions. Seeds are formed from fertilized ovules and contain stored food to support the developing plant until it can begin photosynthesis. The ability to produce seeds allows plants to reproduce and disperse their genetic material over long distances, contributing to the survival and adaptation of species in various environments.
89. What type of roots do plants like carrots and beets produce?
ⓐ. Fibrous roots
ⓑ. Taproots
ⓒ. Adventitious roots
ⓓ. Aerial roots
Correct Answer: Taproots
Explanation: Plants like carrots and beets produce taproots, which are characterized by a single, thick primary root that grows deep into the soil. Taproots are effective at accessing water and nutrients from deeper soil layers, providing stability to the plant. These roots also serve as storage organs for food and energy, allowing the plant to survive adverse conditions such as drought or nutrient scarcity.
90. Which part of the plant is often modified for storage and can also be involved in vegetative reproduction?
ⓐ. Stems
ⓑ. Roots
ⓒ. Leaves
ⓓ. Flowers
Correct Answer: Stems
Explanation: Stems are often modified for storage and can also be involved in vegetative reproduction. Certain plants develop specialized stems, such as tubers (e.g., potatoes) and rhizomes (e.g., ginger), that store nutrients and energy. These structures can give rise to new plants, enabling asexual reproduction and helping the species spread in its environment. Understanding these adaptations is important for agriculture and horticulture, where they can be utilized for propagation and cultivation.
91. What is the primary function of stomata in leaves?
ⓐ. Nutrient absorption
ⓑ. Gas exchange
ⓒ. Water storage
ⓓ. Photosynthesis
Correct Answer: Gas exchange
Explanation: The primary function of stomata in leaves is to facilitate gas exchange. Stomata are small openings on the surface of leaves that allow carbon dioxide to enter for photosynthesis while enabling oxygen, a byproduct of this process, to exit. Additionally, stomata help regulate water loss through transpiration, which is vital for maintaining plant hydration and overall health. The opening and closing of stomata are controlled by guard cells, which respond to environmental conditions.
92. What is the main purpose of the cuticle on plant leaves?
ⓐ. To absorb sunlight
ⓑ. To facilitate nutrient transport
ⓒ. To provide structural support
ⓓ. To prevent water loss
Correct Answer: To prevent water loss
Explanation: The cuticle is a waxy layer that covers the surface of plant leaves and serves the main purpose of preventing water loss. This protective barrier minimizes evaporation, helping plants retain moisture, especially in arid environments. By reducing water loss, the cuticle plays a crucial role in a plant’s ability to survive and thrive under various environmental conditions. It also helps protect the plant from pathogens and physical damage.
93. Which part of the plant is responsible for holding leaves and flowers and connecting them to the roots?
ⓐ. Stem
ⓑ. Root
ⓒ. Leaf
ⓓ. Seed
Correct Answer: Stem
Explanation: The stem is responsible for holding leaves and flowers and connecting them to the roots. It provides structural support, allowing the plant to grow upright and reach towards sunlight. Stems also transport water and nutrients from the roots to the leaves through xylem and distribute the products of photosynthesis throughout the plant via phloem. This integral part of the plant also stores nutrients and can even produce new growth in some species.
94. What type of leaf arrangement involves leaves that grow opposite each other on the stem?
ⓐ. Alternate
ⓑ. Whorled
ⓒ. Opposite
ⓓ. Basal
Correct Answer: Opposite
Explanation: The opposite leaf arrangement involves leaves that grow in pairs directly across from each other on the stem. This arrangement maximizes light capture for photosynthesis and allows for optimal space utilization along the stem. Understanding leaf arrangements helps botanists identify plant species and understand their adaptations to specific environments, enhancing knowledge of plant diversity and ecology.
95. Which structure in flowering plants develops into seeds after fertilization?
ⓐ. Stigma
ⓑ. Ovule
ⓒ. Anther
ⓓ. Petal
Correct Answer: Ovule
Explanation: After fertilization, the ovule in flowering plants develops into seeds. Ovules contain the female gametes, and upon fertilization by male gametes from pollen, they undergo transformation into seeds, which can grow into new plants. This process is fundamental to the plant life cycle and ensures the continuation of species. Seeds provide a protective environment for the developing embryo and often contain stored food to support early growth after germination.
96. Which type of plant structure is formed from the thickening of the stem and is typically underground?
ⓐ. Bulb
ⓑ. Leaf
ⓒ. Root
ⓓ. Flower
Correct Answer: Bulb
Explanation: A bulb is a type of plant structure formed from the thickening of the stem and is typically found underground. Bulbs serve as storage organs, containing nutrients and energy to support the plant during periods of dormancy, such as winter. They can produce new shoots and roots, enabling vegetative reproduction. This adaptation is especially beneficial in climates with seasonal changes, allowing plants to survive adverse conditions and regenerate when favorable growth conditions return.
97. Which part of the plant is primarily involved in photosynthesis?
ⓐ. Flowers
ⓑ. Roots
ⓒ. Leaves
ⓓ. Stems
Correct Answer: Leaves
Explanation: Leaves are primarily involved in photosynthesis, the process by which plants convert sunlight into chemical energy. They contain chlorophyll, which captures light energy, and specialized structures such as chloroplasts where the photosynthetic reactions take place. Leaves also facilitate gas exchange, allowing carbon dioxide to enter and oxygen to exit. By converting sunlight, water, and carbon dioxide into glucose and oxygen, leaves play a vital role in the plant’s energy production and overall health.
98. What is the main function of the floral parts known as sepals?
ⓐ. Attract pollinators
ⓑ. Protect the flower bud
ⓒ. Produce nectar
ⓓ. Provide support
Correct Answer: Protect the flower bud
Explanation: The main function of sepals is to protect the flower bud before it opens. Sepals are typically green and leaf-like, forming a protective layer around the developing flower. They shield the delicate petals and reproductive organs from environmental factors and potential damage. Once the flower blooms, sepals may remain to support the flower or fall away, highlighting the importance of these structures in the plant’s reproductive strategy.
99. Which part of a plant is primarily responsible for anchoring it to the soil?
ⓐ. Stems
ⓑ. Roots
ⓒ. Leaves
ⓓ. Flowers
Correct Answer: Roots
Explanation: Roots are primarily responsible for anchoring a plant to the soil. They provide stability and support, preventing the plant from being uprooted by wind or water. Additionally, roots play a critical role in nutrient and water absorption from the soil, contributing to the plant’s overall growth and health. The deep anchorage provided by roots is especially crucial for tall or large plants that need a strong foundation to withstand external forces.
100. Which part of the plant is typically responsible for attracting pollinators?
ⓐ. Leaves
ⓑ. Roots
ⓒ. Flowers
ⓓ. Stems
Correct Answer: Flowers
Explanation: Flowers are typically responsible for attracting pollinators. Their vibrant colors, enticing fragrances, and nectar production serve to lure insects, birds, and other animals. Pollinators play a crucial role in the reproductive process of flowering plants by transferring pollen from male to female reproductive parts, facilitating fertilization. This mutualistic relationship between flowers and pollinators is essential for the successful reproduction of many plant species, supporting biodiversity and ecosystem health.
Welcome to the Plants MCQs with Answers & Explanations (Part 1). This page is a topic-wise question bank for Botany / Plant Biology—built for quick revision and exam speed. Practice plant biology MCQs / botany objective questions / plant science quiz items with solutions and explanations, ideal for Class 11–12 Biology (NCERT/CBSE), NEET, agriculture & forestry recruitments, and general knowledge competitive exams.
These MCQs are suitable worldwide—scientific plant concepts are universal across exams.
Navigation & pages: The full topic has 450 MCQs in 5 parts (100 + 100 + 100 + 100 + 50). Part 1 contains 100 MCQs split across 10 pages—you’ll see 10 questions per page. Use the page numbers above to view the remaining questions.
What you will learn & practice
- Plant morphology (root, stem, leaf, flower, fruit, seed) and plant anatomy (tissues, xylem, phloem)
- Plant classification & diversity (algae, bryophytes, pteridophytes, gymnosperms, angiosperms; taxonomy & binomial nomenclature)
- Transport in plants (osmosis, diffusion, transpiration, stomata, ascent of sap, translocation)
- Photosynthesis (light reactions, Calvin cycle, C3/C4/CAM pathways) and respiration (glycolysis, Krebs cycle, ETC)
- Plant nutrition (essential elements, deficiency symptoms, nitrogen fixation, mycorrhiza)
- Growth & development: plant hormones (auxin, gibberellin, cytokinin, ABA, ethylene), photoperiodism, vernalization
- Reproduction in flowering plants (micro/macrosporogenesis, pollination, fertilization, seed & fruit formation)
- Plant physiology basics, plant tissue culture (intro), and exam-oriented problem types
How this practice works
- Click an option to check instantly: green dot = correct, red icon = incorrect. The Correct Answer and brief Explanation then appear.
- Use the 👁️ Eye icon to reveal the answer with explanation without guessing.
- Use the 📝 Notebook icon as a temporary workspace while reading (notes are not saved).
- Use the ⚠️ Alert icon to report a question if you find any mistake—your message reaches us instantly.
- Use the 💬 Message icon to leave a comment or start a discussion for that question.
Real value: Closely aligned to NCERT/CBSE and common NEET/agri-recruitment patterns, with concise, exam-oriented explanations—perfect for one-mark checks, concept drills, and last-minute revision.
Keep learning beyond this page: Explore General Knowledge MCQs • Take Online Mock Tests (all categories) • Download MCQ PDFs for offline study.
- 👉 Total MCQs (Plants): 450 (100 + 100 + 100 + 100 + 50)
- 👉 This page: first 100 plant biology multiple-choice questions with answers & brief explanations (in 10 pages)
- 👉 Best for: Class 11–12 Biology • NEET • Agriculture/Forestry recruitments • GK biology quiz
- 👉 Next: use the Part buttons and the page numbers above to continue
FAQs on Plants MCQs ▼
▸ What are Plants MCQs?
Plants MCQs are multiple-choice questions from plant biology. They cover topics like structure, physiology, classification, ecology, and the importance of plants, and are designed for exam practice.
▸ How can practicing Plants MCQs help in exams?
Regular practice of Plants MCQs improves understanding of plant science, sharpens memory, and boosts performance in competitive exams like NEET, UPSC, SSC, and state-level tests.
▸ Are Plants MCQs important for NEET Biology preparation?
Yes, Plants MCQs are very important for NEET because plant physiology, diversity, and reproduction form a significant part of the Biology syllabus.
▸ How many Plant MCQs are available in total?
There are a total of 450 Plant MCQs on GK Aim, divided into 5 parts: four parts with 100 questions each and one part with 50 questions.
▸ Do Plants MCQs include correct answers and explanations?
Yes, each MCQ comes with the correct answer, and all are supported with explanations to help students understand concepts clearly.
▸ Who should practice Plants MCQs?
These MCQs are useful for NEET aspirants, UPSC candidates, competitive exam students, and anyone interested in improving general knowledge about plants.
▸ Are Plants MCQs useful for UPSC and other civil service exams?
Yes, plant biology is part of the General Science section in UPSC and state PSC exams, so practicing these MCQs is highly beneficial.
▸ Can I practice Plants MCQs online for free?
Yes, all Plant MCQs on GK Aim are available online for free and can be practiced anytime on desktop or mobile.
▸ Are Plants MCQs mobile-friendly?
Yes, the Plant MCQs pages are fully optimized for smartphones and tablets, making it easy to study anywhere.
▸ Why are Plant MCQs divided into parts?
The 450 MCQs are divided into 5 smaller parts to make practice easier and more organized, allowing step-by-step learning.
▸ Can practicing Plants MCQs also improve general knowledge?
Yes, along with exam preparation, these MCQs also improve overall knowledge about plants and their role in nature.
▸ How often are Plant MCQs updated on GK Aim?
Plant MCQs are regularly updated to match the latest exam patterns and syllabus changes so learners always practice relevant questions.
▸ Can teachers and coaching institutes use these Plant MCQs?
Yes, teachers and institutes can use these MCQs as a ready practice resource for students preparing for competitive exams.
▸ Do Plant MCQs cover both basics and advanced topics?
Yes, the MCQs cover a wide range from basic plant science to advanced topics like photosynthesis, reproduction, and plant ecology.
▸ Can I download or save Plant MCQs for offline study?
Yes, you can download the Plant MCQs in PDF format for offline use. Please visit our website shop.gkaim.com