set 3 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 4 EXERCISES
The following question based on genetic engineering and bio technology topic of general science mcq
(a) Restriction endonuclease
(b) Ligase
(c) Helicase
(d) DNA polymerase
The correct answers to the above question in:
Answer: (a )
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Read more bio technology gk Based General Science Questions and Answers
Question : 1
Who has proposed for the first time the double helix model of DNA?
a) Lamark and Darwin
b) Watson and Crick
c) Fisher and Haldoni
d) Hugo de Vries
Answer »Answer: (b)
Question : 2
The American multinational company, Monsanto, has produced an insect-resistant cotton variety that is undergoing field trials in India. A toxin gene from which one of the following bacteria has been transferred to this transgenic cotton?
a) Bacillus amyloliquifaciens
b) Bacillus subtilis
c) Bacillus thuringiensis
d) Bacillus globlii
Answer »Answer: (c)
Question : 3
The micro-organism which is associated with the production of Bt cotton is a
a) Blue-green algae
b) Fungus
c) Bacterium
d) Virus
Answer »Answer: (c)
Question : 4
James D. Watson and Francis Crick are associated with the discovery of
a) Anti-malarial drugs
b) Vaccine
c) Structure of DNA
d) Penicillin
Answer »Answer: (c)
Question : 5
Assertion (A) :
In human beings, the female play a major role in determining the sex of the offspring.
Reason (R) :
Women have two X-chromosomes.
a) A is true, but R is false
b) Both A and R are true and R is the correct explanation of A
c) Both A and R are true, but R is not a correct explanation of A
d) A is false, but R is true
Answer »Answer: (d)
Question : 6
Generally, Orobanche weed is found in
a) Rice field
b) Tobacco field
c) Gram field
d) Wheat field
Answer »Answer: (b)
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