← Back to Zoology

Biotechnology And Its Applications

339 Questions Start Allen Test
All Exams Allen
Q101 Allen 2. APPLICATION OF BIOTECHNOLOGY MCQ
Which of the following peptide chain in not present in mature insulin?
A.
A-peptide
B.
B-peptide
C.
C-peptide
D.
A & B peptide
Q102 Allen 3. PYQ MCQ
Two microbes found to be very useful in genetic engineering are :ā€“
A.
Escherichia coli and Agrobacterium tumefaciens
B.
Vibrio cholerae and a tailed bacteriophage
C.
Diplococcus sp. and Pseudomonas sp.
D.
Crown gall bacterium and Caenorhabditis elegans
Q103 Allen 3. PYQ MCQ
Restriction endonuclease :ā€“
A.
Cuts the DNA molecule randomly
B.
Cuts the DNA molecule at specific sites
C.
Restricts the synthesis of DNA inside the nucleus
D.
Synthesizes DNA
Q104 Allen 3. PYQ MCQ
Golden rice is a promising transgenic crop. When released for cultivation, it will help in:-
A.
Alleviation of vitamin A deficiency
B.
Pest resistance
C.
Herbicide tolerance
D.
Producing a petrol-like fuel from rice
Q105 Allen 3. PYQ MCQ
A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of :-
A.
Pseudomonas
B.
Trichoderma
C.
Xanthomonas
D.
Bacillus
Q106 Allen 3. PYQ MCQ
Cry1 endotoxins obtained from Bacillus thuringiensis are effective against :-
A.
Flies
B.
Nematodes
C.
Boll worms
D.
Mosquitoes
Q107 Allen 3. PYQ MCQ
Human insulin is being commercially produced from a transgenic species of :-
A.
Mycobacterium
B.
Rhizobium
C.
Saccharomyces
D.
Escherichia
Q108 Allen 3. PYQ MCQ
Main objective of production/use of herbicide resistant GM crops is to :-
A.
Eliminate weeds from the field without the use of herbicides
B.
Encourage eco-friendly herbicides
C.
Reduce herbicide accumulation in food articles for health safety
D.
Eliminate weeds from the field without the use of manual labour
Q109 Allen 3. PYQ MCQ
A transgenic food crop which may help in solving the problem of night blindness in developing countries is :-
A.
Starlink maize
B.
Bt Soybean
C.
Golden rice
D.
Flavr Savr tomatoes
Q110 Allen 3. PYQ MCQ
Which one of the following is commonly used in transfer of foreign DNA into crop plants ?
A.
Penicillium expansum
B.
Trichoderma harzianum
C.
Meloidogyme incognita
D.
Agrobacterium tumefaciens
Q111 Allen 3. PYQ MCQ
Polyethylene glycol method is used for :-
A.
Energy production from sewage
B.
Gene transfer without a vector
C.
Biodiesel production
D.
Seedless fruit production
Q112 Allen 3. PYQ MCQ
Transgenic plants are the ones :-
A.
Grown in artificial medium after
hybridization in the field
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.
Produced after protoplast fusion in
artificial medium
Q113 Allen 3. PYQ MCQ
The bacterium Bacillus thuringiensis is widely used in contemporary biology as :-
A.
Source of industrial enzyme
B.
Indicator of water pollution
C.
Insecticide
D.
Agent for production of dairy products
Q114 Allen 3. PYQ MCQ
What is true about Bt toxin ?
A.
The concerned Bacillus has antitoxins
B.
The inactive protoxin gets converted into
active form in the insect gut
C.
Bt protein exists as active toxin in the
Bacillus
D.
The activated toxin enters the ovaries of
the pest to sterilise it and thus prevent its
multiplication
Q115 Allen 3. PYQ MCQ
The genetic defect adenosine deaminase (ADA) deficiency may be cured permanently by:
A.
Enzyme replacement therapy
B.
Periodic infusion of genetically engineered lymphocytes having functional ADA cDNA
C.
Administering adenosine deaminase activators
D.
Introducing bone marrow cells producing ADA into cells at early embryonic stages
Q116 Allen 3. PYQ MCQ
Which one of the following is used as vector for cloning genes into higher organisms?
A.
Rhizopus nigricans
B.
Retrovirus
C.
Baculovirus
D.
Salmonella typhimurium
Q117 Allen 3. PYQ MCQ
Restriction endonucleases are enzymes which :-
A.
restrict the action of the enzyme DNA polymerase
B.
remove nucleotides from the ends of the DNA molecule
C.
make cuts at specific positions within the DNA molecule
D.
recognize a specific nucleotide sequence for binding of DNA ligase
Q118 Allen 3. PYQ MCQ
Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme?
A.
5' ____GAATTC ______3' 3' CTTAAG _______5'
B.
5' ____CACGTA ____3' 3' CTCAGT ________5'
C.
5' ________CGTTCG ______3' 3' ATGGTA __________5'
D.
5' ________GATATG ______3' 3' CTACTA _____5'
Q119 Allen 3. PYQ MCQ
DNA or RNA segment tagged with a radiactive molecule is called:-
A.
Clone
B.
Plasmid
C.
Vector
D.
Probe
Q120 Allen 3. PYQ MCQ
An improved variety of transgenic basmati rice :-
A.
is completely resistant to all insect pests and diseases of paddy
B.
gives high yield but has no charactristic aroma
C.
does not require chemical fertilizers and growth hormones
D.
give high yield and is rich in vitamin A
Q121 Allen 3. PYQ MCQ
Genetic engineering has been successfuly used for producing :-
A.
transgenic Cow-Roise which produces high fat milk for making ghee
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 models for studying new treatments for certain cardiac diseases
Q122 Allen 3. PYQ MCQ
The genetically-modified (GM) brinjal in India has been developed for :-
A.
Enhancing mineral content
B.
Drought-resistance
C.
Insect-resistance
D.
Enhancing shelf life
Q123 Allen 3. PYQ MCQ
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
Q124 Allen 3. PYQ MCQ
Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5'______________GAATTC__________3' 3'________CTTAAG__________5'
A.
Replication completed
B.
Delection mutation
C.
Start codon at the 5' end
D.
Palindromic sequence of base pairs
Q125 Allen 3. PYQ MCQ
There is a restriction endonuclease called Eco RI. What does "co" part in it stand for ?
A.
Colon
B.
Coelom
C.
Coenzyme
D.
Coli