MEDIUM
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A pair of chromosomes in fruit fly and humans determine sex. These are referred to as sex chromosomes. What is the name given to other chromosomes?

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Important Questions on Biotechnology

EASY
Which one of the following pairs of molecules never forms a hydrogen bond between them?
EASY
Which part of the tobacco plant is infected by Meloidogyne incognita?
EASY
In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to:
MEDIUM

Match the organism with its use in biotechnology.

(a) Bacillus thuringiensis (i) Cloning vector
(b) Thermus aquaticus (ii) Construction of first rDNA molecule
(c) Agrobacterium tumefaciens (iii) DNA polymerase
(d) Salmonella typhimurium (iv) Cry proteins
EASY
Name the Nobel Laureate who helped crack the genetic code.
EASY
What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in a boll worm?
EASY
Golden rice is a genetically modified crop plant where the incorporated gene is meant for the biosynthesis of
MEDIUM
Assertion (A): cry is insect group specific gene of Bt cotton
Reason (R):  cry IAc and cry IIAb controls the cotton boll worms
EASY
Enzyme linked immuno-sorbent assay is a technique used in detection of which of the following diseases?
EASY
Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to
EASY
On whom was the world’s first successful skull-scalp transplant done?
EASY
Which of the following is the first step for genetically modifying an organism?
EASY
Which of the following is true for Golden rice?
MEDIUM

Assertion (A) : Transgenic Golden Rice is rich in Vitamin A and prevents blindness.

Reason (R) : It is obtained from "Taiwan"

MEDIUM

Assertion (A): Bt toxin exists as inactive prototoxin but once an insect ingests the inactive toxin, it is converted into an active form of toxin.

Reason (R):  Protoxin gets activated in insect gut due to the acidic pH in the gut, which solubilises the protein crystals.

The correct answer is:

EASY
H. Boyer & S. Cohen are famous for their research work on
HARD

'Legal Positivism' theory was developed by 

MEDIUM
Polio is caused by which of the following organisms?
EASY

To conduct detailed study into disease causing organism in livestock, Biosafety laboratory has been setup in India in:

1. Ludhiana 

2. Bengaluru 

3. Anand 

4. Allahabad