HARD
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Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statements is/are correct?                                                             

1. Coconut shells, groundnut shells and rice husk can be used in biomass gasification.
2. The combustible gases generated from biomass gasification consist of hydrogen and carbon dioxide only.
3. The combustible gases generated from biomass gasification can be used for direct heat generation but not in internal combustion engines.

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Important Questions on Science, Technology and Innovation

EASY
Golden rice is a genetically modified crop plant where the incorporated gene is meant for the biosynthesis of
EASY
Which one of the following pairs of molecules never forms a hydrogen bond between them?
EASY
Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to
EASY
Enzyme linked immuno-sorbent assay is a technique used in detection of which of the following diseases?
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
In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to:
EASY
H. Boyer & S. Cohen are famous for their research work on
EASY
Which of the following is the first step for genetically modifying an organism?
EASY
On whom was the world’s first successful skull-scalp transplant done?
MEDIUM

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

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

EASY
What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in a boll worm?
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
Bt toxin produced by Bacillus thuringiensis does not kill the producer because the toxin is
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
Which part of the tobacco plant is infected by Meloidogyne incognita?
EASY
Name the Nobel Laureate who helped crack the genetic code.
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