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NEET • BIOLOGY • BIOTECHNOLOGY AND ITS APPLICATIONS
Biotechnology and its applications practice · Hard
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31
Hard
31 of 46
Remembering
+4 | -1
Which of the following is the part of biotechnology?
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Correct option: D
All of these
Option D (All of these) is correct because test-tube babies, DNA vaccines, and gene correction are all products and applications of biotechnology.
32
Hard
32 of 46
Remembering
+4 | -1
Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis of:
View answer and explanation
Correct option: A
Vitamin A
Option A (Vitamin A) is correct because golden rice is genetically modified to produce beta-carotene, a precursor to Vitamin A, to address Vitamin A deficiency.
33
Hard
33 of 46
Understanding
+4 | -1
Assertion: Animal antibodies produced in plants
are plantibodies.
Reason: Plantibodies are just a theoretical
concept.
are plantibodies.
Reason: Plantibodies are just a theoretical
concept.
View answer and explanation
Correct option: C
If Assertion is true but Reason is false
Option C (If Assertion is true but Reason is false) is correct because plantibodies are indeed animal antibodies produced in plants, but they are not just a theoretical concept; they are actively researched and produced.
34
Hard
34 of 46
Understanding
+4 | -1
Early diagnosis diseases can be conducted by?
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Correct option: D
All
Option D (All) is correct because ELISA, PCR, and rDNA technology can all be used for early disease diagnosis.
35
Hard
35 of 46
Remembering
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Today, transgenic models exist for many human diseases which includes
(i) Cancer , (ii) Cystic fibrosis, (iii) Rheumatoid arthritis , (iv) Alzhiemer’s disease
(i) Cancer , (ii) Cystic fibrosis, (iii) Rheumatoid arthritis , (iv) Alzhiemer’s disease
View answer and explanation
Correct option: D
all of these
Option D (all of these) is correct because transgenic models exist for Cancer, Cystic fibrosis, Rheumatoid arthritis, and Alzheimer’s disease.
36
Hard
36 of 46
Understanding
+4 | -1
One of the most important reasons why wild plants should thrive is that they are good sources of
View answer and explanation
Correct option: C
Genes for resistance to disease and pests
Option C (Genes for resistance to disease and pests) is correct because wild plants are a valuable source of genetic diversity for crop improvement, particularly for resistance traits.
37
Hard
37 of 46
Analyzing
+4 | -1
Assertion: Bacillus anthracis exemplifies how biotechnology can be used for destructive processes.
Reason: Anthrax bacterium spores were spread via letters in the form of powder.
Reason: Anthrax bacterium spores were spread via letters in the form of powder.
View answer and explanation
Correct option: B
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
Option B is correct because both the assertion and reason are true, but the reason doesn't directly explain how biotechnology is used destructively. The anthrax attack is an example of bioterrorism, but not necessarily a direct application of biotechnology for destructive purposes.
38
Hard
38 of 46
Understanding
+4 | -1
Assertion (A): Traditional knowledge related to bio-resources can be exploited to develop modern applications.
Reason (R): Traditional knowledge related to bio resources can also be used to save time, effort and expenditure during their commercialisation.
Reason (R): Traditional knowledge related to bio resources can also be used to save time, effort and expenditure during their commercialisation.
View answer and explanation
Correct option: A
Both assertion and reason are true and reason is the correct explanation of assertion
Option A is correct because traditional knowledge of bio-resources can indeed be used to develop modern applications, saving time and resources in commercialization.
39
Hard
39 of 46
Understanding
+4 | -1
Assertion : FlavrSavr, a transgenic tomato
which remains fresh and retains their flavour
for long time.
Reason : Production of polygalacturonase
enzyme, which degrades pectin, is blocked in
FlavrSavr.
which remains fresh and retains their flavour
for long time.
Reason : Production of polygalacturonase
enzyme, which degrades pectin, is blocked in
FlavrSavr.
View answer and explanation
Correct option: A
If both Assertion and Reason are true and
Reason is the correct explanation of Assertion
Reason is the correct explanation of Assertion
Option A (If both Assertion and Reason are true and Reason is the correct explanation of Assertion) is correct because the FlavrSavr tomato's extended freshness is due to the blocked production of polygalacturonase, which degrades pectin.
40
Hard
40 of 46
Remembering
+4 | -1
The water soluble protein associated with silk thread is
View answer and explanation
Correct option: B
Sericin
Option B (Sericin) is correct because sericin is the water-soluble protein that coats silk fibers.
41
Hard
41 of 46
Understanding
+4 | -1
Find the CORRECT match from the following.
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Correct option: B
RNAi - Meloidogyne incognitia
Option B (RNAi - Meloidogyne incognitia) is correct because RNA interference (RNAi) is used to protect plants from nematode infections like Meloidogyne incognitia.
42
Hard
42 of 46
Understanding
+4 | -1
RNA interference (RNAi) technique has been devised to protect the plants from nematode which is silenced by _____ produced by the host plant.
View answer and explanation
Correct option: C
dsRNA
Option C (dsRNA) is correct because RNA interference (RNAi) involves double-stranded RNA (dsRNA) that silences specific genes in the nematode.
43
Hard
43 of 46
Understanding
+4 | -1
One of the following is not a use of genetically modified crops
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Correct option: D
Helped to increase post harvest losses
Option D (Helped to increase post harvest losses) is correct because GM crops are designed to *reduce* post-harvest losses.
44
Hard
44 of 46
Analyzing
+4 | -1
Assertion: Colon bacilli can be used to produce
glycoproteins that can be used for treatment of
hepatitis-B.
Reason: Hepatitis B is a viral disease and using
interferons its spread in body can be checked.
glycoproteins that can be used for treatment of
hepatitis-B.
Reason: Hepatitis B is a viral disease and using
interferons its spread in body can be checked.
View answer and explanation
Correct option: B
If both Assertion and Reason are true but Reason
is not the correct explanation of Assertion
is not the correct explanation of Assertion
Option B is correct because both Assertion and Reason are true, but Reason is not the correct explanation of Assertion. E. coli can be used to produce glycoproteins, and interferons can be used to treat Hepatitis B, but these facts are not directly related.
45
Hard
45 of 46
Understanding
+4 | -1
Assertion (A): Genetic modification of organisms can have unpredictable results when they are introduced into the ecosystem.
Reason (R): The Indian Government has set up organisations such as GEAC, which will make decisions regarding the validity of GM research and the safety of introducing GM organisms for public services.
Reason (R): The Indian Government has set up organisations such as GEAC, which will make decisions regarding the validity of GM research and the safety of introducing GM organisms for public services.
View answer and explanation
Correct option: B
Both assertion and reason are true but reason is not the correct explanation of assertion
Option B (Both assertion and reason are true but reason is not the correct explanation of assertion) is correct because while both statements are true, the existence of GEAC doesn't directly explain why genetic modification can have unpredictable results.
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46
Hard
46 of 46
Analyzing
+4 | -1
Assertion : Protein engineering can be used to
produce enzymes at large scale, which is used
for synthesis of monoclonal antibodies.
Reason : Monoclonal antibodies are
homogeneous immunological reagents.
produce enzymes at large scale, which is used
for synthesis of monoclonal antibodies.
Reason : Monoclonal antibodies are
homogeneous immunological reagents.
View answer and explanation
Correct option: A
If both Assertion and Reason are true and
Reason is the correct explanation of Assertion
Reason is the correct explanation of Assertion
Option A is correct because both the assertion and reason are true, and the reason correctly explains why protein engineering can be used to produce enzymes for monoclonal antibody synthesis.
Revision notes and key takeaways
Review BIOTECHNOLOGY AND ITS APPLICATIONS in your textbook or class notes, then use this set to check your understanding.
Showing 31-46 of 46 questions