Class 12 Biology MCQs | Chapter 10: Biotechnology And Its Applications – Part 4
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Class 12 Biology MCQs | Chapter 10: Biotechnology and its Applications – Part 4

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301. Which feature made the Basmati-related patent controversy especially sensitive?
ⓐ. It dealt with vaccine safety testing in cereal crops.
ⓑ. It involved a novelty claim over material linked with long-standing farmer-associated rice resources.
ⓒ. It concerned activation of Bt protoxin in rice pests.
ⓓ. It was based on production of recombinant therapeutics in grains.
302. Which legal objective most directly addresses the injustice highlighted by cases involving traditional biological knowledge and unauthorised commercial use?
ⓐ. Extending all patents for a longer duration
ⓑ. Preventing any scientific study of biological resources
ⓒ. Preventing unauthorised exploitation and ensuring fair compensation or benefit sharing
ⓓ. Restricting diagnosis only to PCR-based methods
303. A food industry uses selected microorganisms and biological processes to convert raw material into a stable, usable edible product at industrial scale. This is best classified under
ⓐ. processed food application of biotechnology
ⓑ. molecular diagnosis by recombinant techniques
ⓒ. vaccine safety testing in transgenic animals
ⓓ. gene therapy for inherited disorders
304. Why can processed food be treated as a biotechnology application rather than only as an ordinary manufacturing activity?
ⓐ. It always avoids the use of any biological material.
ⓑ. It is based only on legal patent protection.
ⓒ. It may use living systems or their products to obtain a useful food outcome.
ⓓ. It belongs only to conventional crop breeding.
305. Which option best fits an energy-production application of biotechnology?
ⓐ. classification of crop plants by morphology
ⓑ. visual examination of diseased leaves
ⓒ. detection of pathogen DNA by PCR
ⓓ. use of biological systems to obtain a useful energy-related output
306. A biotechnology unit is not making medicines, not diagnosing disease, and not cleaning pollutants. Instead, it is using biological activity to generate a usable energy-linked product. This work is best classified as
ⓐ. therapeutics
ⓑ. energy production
ⓒ. downstream regulation
ⓓ. benefit sharing
307. Which statement best compares processed food application and energy-production application in biotechnology?
ⓐ. Both involve practical use of biological systems, but their final useful outputs are different.
ⓑ. Processed food application is biological, but energy production can never be biological.
ⓒ. Processed food application belongs to ethics, while energy production belongs to diagnosis.
ⓓ. Both are limited only to plant tissue culture laboratories.
308. Which one of the following is not a biotechnology application area of the same kind as processed food and energy production?
ⓐ. therapeutics
ⓑ. diagnostics
ⓒ. bioremediation
ⓓ. natural seed dispersal
309. A company uses a controlled biological process to modify raw material into a packaged edible product meant for direct consumption. Which biotechnology application area is most appropriate?
ⓐ. bioremediation
ⓑ. molecular diagnosis
ⓒ. processed food
ⓓ. transgenic animal testing
310. Which situation is the clearest example of biotechnology in energy production rather than in environmental cleanup?
ⓐ. use of living systems to remove toxic material from wastewater
ⓑ. use of biological activity to obtain an energy-linked product for utility
ⓒ. use of antibodies to detect a pathogen in blood
ⓓ. use of meristem culture to recover healthy plants
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