61
Cry I endotoxins obtained from Bacillus thuringiensis are effective against:
- Mosquitoes
- Flies
- Nematodes
- Boll worms
AIPMT 2008
Biotechnology and its Applications
Previous year questions with solutions · 2000 – 2026
74Questions
31Papers covered
6.33% ↓24.1%Weightage in 2026
’03
’04
’05
’06
’08
’09
’10
’11
’12
’13
’14
’15
’16
’18
’19
’20
’21
’22
’23
’24
’25
’26
Year-wise statistics questions · papers · average per paper · weightage
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 5 | 2 | 2.5 | 6.33% ↓24.1% |
| 2025 | 3 | 1 | 3 | 8.33% ↑2.4% |
| 2024 | 7 | 2 | 3.5 | 8.14% ↑201.2% |
| 2023 | 1 | 1 | 1 | 2.70% ↓53.4% |
| 2022 | 4 | 2 | 2 | 5.80% ↓61.4% |
| 2021 | 6 | 1 | 6 | 15.00% ↑100% |
| 2020 | 3 | 1 | 3 | 7.50% ↑38.8% |
| 2019 | 2 | 1 | 2 | 5.41% ↓52.7% |
| 2018 | 4 | 1 | 4 | 11.43% ↑147.6% |
| 2016 | 3 | 2 | 1.5 | 4.62% ↓30.8% |
| 2015 | 4 | 2 | 2 | 6.67% ↑93.3% |
| 2014 | 1 | 1 | 1 | 3.45% ↓20.7% |
| 2013 | 3 | 2 | 1.5 | 4.35% ↓38% |
| 2012 | 4 | 2 | 2 | 7.02% ↑8.8% |
| 2011 | 4 | 2 | 2 | 6.45% ↓31.2% |
| 2010 | 6 | 2 | 3 | 9.38% ↓1.6% |
| 2009 | 4 | 1 | 4 | 9.52% ↓11.9% |
| 2008 | 4 | 1 | 4 | 10.81% ↑267.6% |
| 2006 | 1 | 1 | 1 | 2.94% ↓52.9% |
| 2005 | 2 | 1 | 2 | 6.25% ↑87.5% |
| 2004 | 1 | 1 | 1 | 3.33% ↓48.3% |
| 2003 | 2 | 1 | 2 | 6.45% |
⚠ 1 of these questions are out of the current syllabus (marked on the question).
62
Main objective of production/use of herbicide resistant GM crops is to:
- eliminate weeds from the field without the use of manual labour
- eliminate weeds from the field without the use of herbicides
- encourage eco-friendly herbicides
- reduce herbicide accumulation in food articles for health safety
AIPMT 2008
63
Human insulin is being commercially produced from a transgenic species of:
- Escherichia
- Mycobacterium
- Rhizobium
- Saccharomyces
AIPMT 2008
64
A transgenic food crop which may help in solving the problem of night blindness in developing countries is
- Flavr Savr tomatoes
- Bt soybean
- Starlink maize
- Golden rice
AIPMT 2008
65
Golden rice is a promising transgenic crop. When released for cultivation, it will help in
- Herbicide tolerance
- Alleviation of vitamin A deficiency
- Producing a petrol-like fuel from rice
- Pest resistance
AIPMT 2006
66
Bacillus thuringiensis (Bt) strains have been used for designing novel -
- Bio-metallurgical techniques
- Biofertilizers
- Bioinsecticidal plants
- Bio-mineralization processes
AIPMT 2005
67
Golden rice is a transgenic crop of the future with the following improved trait -
- High lysine (essential amino acid) content
- High protein content
- Insect resistance
- High vitamin A content
AIPMT 2005
68
ELISA is used to detect viruses, where the key reagent is :-
- Catalase
- RNase
- DNA probes
- Alkaline phosphatase
AIPMT 2004
69
Maximum application of animal cell culture technology today is in the production of :-
- Interferons
- Vaccines
- Edible proteins
- Insulin
AIPMT 2003
70
ELISA is used to detect viruses, where the key reagent is :-
- Alkaline phosphatase
- RNase
- DNA probes
- Catalase
AIPMT 2003