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Biotechnology and It's Applications

84 Questions Start NEET Test
All Exams NEET AIIMS
2012 Q51 NEET MCQ
10 Mar 2026
What is it that forms the basis of DNA Fingerprinting ?
A.
The relative proportions of purines and pyrimidines in DNA
B.
The relative amount of DNA in the ridges and grooves of the fingerprints
C.
The relative difference in the DNA occurrence in blood, skin and saliva
D.
Satellite DNA occurring as highly repeated short DNA segments
2012 Q52 NEET MCQ
10 Mar 2026
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells) :
A.
An antifeedant
B.
A toxic protein
C.
Both sense and anti-sense RNA
D.
A particular hormone
2012 Q53 NEET MCQ
10 Mar 2026
Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin 'A' deficiency
A.
Flaver Savr Tomato
B.
Canolla
C.
Bt- Brinjal
D.
Golden rice
2012 Q54 NEET MCQ
10 Mar 2026
Which one of the following is a case of wrong matching ?
A.
Somatic hybridization - Fusion of two diverse cells
B.
Callus - Unorganised mass of cells produced in tissue culture
C.
Vector DNA - site for tRNA synthesis
D.
Micropropagation - In vitro production of plants in large numbers
2011 Q55 NEET MCQ
10 Mar 2026
Read the following four statements (A-D) about certain mistakes in two of them :
(A) The first transgenic buffalo, Rosie produced milk which was human alpha-lactalbumin enriched.
(B) Restriction enzymes are used in isolation of DNA from other macro-molecules
(C) Downstream processing is one of the steps of R-DNA technology
(D) Disarmed pathogen vectors are also used in transfer of R-DNA into the host
Which are the two statements having mistakes ?
A.
Statements (B) and (C)
B.
Statements (A) and (C)
C.
Statements (A) and (B)
D.
Statements (C) and (D)
2011 Q56 NEET MCQ
10 Mar 2026
Silencing of mRNA has been used in producing transgenic plants resistant to :
A.
White rusts
B.
Nematodes
C.
Bacterial blights
D.
Bollworms
2011 Q57 NEET MCQ
10 Mar 2026
Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein :
A.
is activated by acid pH of the foregut of the insect pest.
B.
binds with epithelial cells of midgut of the insect pest ultimately killing it
C.
is coded by several genes including the gene cry
D.
does not kill the carrier bacterium which is itself resistant to this toxin
2011 Q58 NEET MCQ
10 Mar 2026
Maximum number of existing transgenic animals is of :
A.
Mice
B.
Cow
C.
Pig
D.
Fish
2011 Q59 NEET MCQ
10 Mar 2026
The process of RNA interference has been used in the development of plants resistant to :
A.
Nematodes
B.
Fungi
C.
Viruses
D.
Insects
2010 Q60 NEET MCQ
10 Mar 2026
Which one of the following is now being commercially produced by biotechnological procedures ?
A.
Insulin
B.
Morphine
C.
Nicotine
D.
Quinine
2010 Q61 NEET MCQ
10 Mar 2026
Genetic engineering has been successfully used for producing –
A.
transgenic models for studying new treatments for certain cardiac disease
B.
Animals like bulls for farm work as they have super power
C.
transgenic mice for testing safety of polio vaccine before use in humans
D.
transgenic Cow-Rosie which produces high fat milk for making ghee
2010 Q62 NEET MCQ
10 Mar 2026
An improved variety of transgenic basmati rice
A.
gives high yield but has no characteristic atoms
B.
Does not require chemical fertilizers and growth hormones
C.
is completely resistant to all insect pests and disease of paddy
D.
gives high yield and is rich in vitamin A
2010 Q63 NEET MCQ
10 Mar 2026
The genetically-modified (GM) brinjal in India has been developed for:
A.
Enhancing shelf life
B.
Insect-resistance
C.
Drought-resistance
D.
Enhancing mineral content
2010 Q64 NEET MCQ
10 Mar 2026
Some of the characteristics of Bt cotton are –
A.
High yield and production of toxic protein crystals which kill dipteran pests
B.
High yield and resistance to bollworms
C.
Long fibre and resistance to aphids
D.
Medium yield, long fibre and resistance to beetle pests
2010 Q65 NEET MCQ
10 Mar 2026
Breeding of crops with high levels of minerals, vitamins and proteins is called –
A.
Biofortification
B.
Biomagnification
C.
Micorpropagation
D.
Somatic hybridisation
2009 Q66 NEET MCQ
10 Mar 2026
Somaclones are obtained by : -
A.
Tissue culture
B.
Plant breeding
C.
Genetic engineering
D.
Irradiation Genetic engineering
2009 Q67 NEET MCQ
10 Mar 2026
What is true about Bt toxin ?
A.
The activated toxin enters the ovaries of the pest to sterillise it and thus prevent its multiplication.
B.
Bt protein exists as active toxin in the Bacillus
C.
The concerned Bacillus has antitoxins
D.
The inactive protoxin gets converted into active form in the insect gut
2009 Q68 NEET MCQ
10 Mar 2026
Polyethylene glycol method is used for :
A.
Biodiesel production
B.
Seedless fruit production
C.
Energy production from sewage
D.
Gene transfer without a vector
2009 Q69 NEET MCQ
10 Mar 2026
The bacterium Bacillus thuringiensis is widely used in contemporary biology as -
A.
Indicator of water pollution
B.
Agent for production of dairy products
C.
Source of industrial enzyme
D.
Insecticide
2009 Q70 NEET MCQ
10 Mar 2026
What is antisense technology?
A.
RNA polymerase producing DNA
B.
Production of somaclonal variants in tissue cultures
C.
When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene
D.
A cell displaying a foreign antigen used for synthesis of antigens
2009 Q71 NEET MCQ
10 Mar 2026
Transgenic plants are the ones -
A.
Produced after protoplast fusion in artifical medium
B.
Produced by a somatic embryo in artificial medium
C.
Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell
D.
Grown in artificial medium after hybridization in the field
2008 Q72 NEET MCQ
10 Mar 2026
Cry I endotoxins obtained from Bacillus thuringiensis are effective against:
A.
Mosquitoes
B.
Flies
C.
Nematodes
D.
Boll worms
2008 Q73 NEET MCQ
10 Mar 2026
A transgenic food crop which may help in solving the problem of night blindness in developing countries is
A.
Flavr Savr tomatoes
B.
Bt soybean
C.
Starlink maize.
D.
Golden rice
2008 Q74 NEET MCQ
10 Mar 2026
Human insulin is being commercially produced from a transgenic species of:
A.
Escherichia
B.
Mycobacterium
C.
Rhizobium
D.
Saccharomyces
2008 Q75 NEET MCQ
10 Mar 2026
Main objective of production/use of herbicide resistant GM crops is to:
A.
eliminate weeds from the field without the use of manual labour
B.
eliminate weeds from the field without the use of herbicides
C.
encourage eco-friendly herbicides
D.
reduce herbicide accumulation in food articles for health safety
2007 Q76 NEET MCQ
10 Mar 2026
A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of-
A.
Trichoderma
B.
Xanthomonas
C.
Bacillus
D.
Pseudomonas
2006 Q77 NEET MCQ
10 Mar 2026
Golden rice is a promising transgenic crop. When released for cultivation, it will help in
A.
Herbicide tolerance
B.
Alleviation of vitamin A deficiency
C.
Producing a petrol-like fuel from rice
D.
Pest resistance
2005 Q78 NEET MCQ
10 Mar 2026
Bacillus thuringiensis (Bt) strains have been used for designing novel -
A.
Bio-metallurgical techniques
B.
Biofertilizers
C.
Bioinsecticidal plants
D.
Bio-mineralization processes
2005 Q79 NEET MCQ
10 Mar 2026
Golden rice is a transgenic crop of the future with the following improved trait -
A.
High lysine (essential amino acid) content
B.
High protein content
C.
Insect resistance
D.
High vitamin – A content
2005 Q80 NEET MCQ
10 Mar 2026
Production of a human protein in bacteria by genetic engineering is possible because
A.
The human chromosome can replicate in bacterial cell
B.
The genetic code is universal
C.
Bacterial cell can carry out the RNA splicing reactions
D.
The mechanism of gene regulation is identical in humans and bacteria
2004 Q81 NEET MCQ
10 Mar 2026
ELISA is used to detect viruses, wherethe key reagent is :-
A.
Catalase
B.
Southern
C.
DNA probes
D.
Alkaline phosphatase
2004 Q82 NEET MCQ
10 Mar 2026
DNA fingerprinting refers to :-
A.
Techniques used for molecular analysis of different specimens of DNA
B.
Anlysis of DNA samples using imprinting devices
C.
Molecular analysis of profiles of DNA samples
D.
Techniques used for identification of fingerprints of individuals
2004 Q83 NEET MCQ
10 Mar 2026
The Ti plasmid is often used for making transgenic plants. This plasmid is found in
A.
Agrobacterium
B.
Rhizobium of the roots of leguminous plants
C.
Azotobacter
D.
Yeast as a 2 µm plasmid
2003 Q84 NEET MCQ
10 Mar 2026
ELISA is used to detect viruses, wherethe key reagent is :-
A.
Alkaline phosphatase
B.
Southern
C.
DNA probes
D.
Catalase