GATE Life Sciences (XL) Question Paper Answers 2018 Download PDF

GATE Life Sciences (XL) Previous Year Question Paper 2018

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GATE Life Sciences (XL) Previous Year Question Paper 2018

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GATE Life Sciences (XL) Question Paper 2018 Download PDF File:

1. “Going by the _________ that many hands make light work, the school _______ involved all the students in the task.”

The words that best fill the blanks in the above sentence are

(A) principle, principal
(B) principal, principle
(C) principle, principle
(D) principal, principal

2. To which one of the following classes of enzymes does chymotrypsin belong?

(A) Oxidoreductase
(B) Hydrolase
(C) Transferase
(D) Isomerase

3. Which of the following genera produces dimorphic seeds that help to broaden the time of germination in a variable habitat?

(A) Xanthium
(B) Pisum
(C) Mangifera
(D) Linum

4. David Baltimore’s classification of viruses is based on differences in

(A) host cell receptors used by viruses
(B) the pathways required to synthesize virus mRNA
(C) the modes of transmission of viruses
(D) the envelope proteins on the surface of viruses

5. Animals belonging to phylum Echinodermata are closer to chordates than other invertebrate phyla. Which ONE of the following reasons can account for this relatedness?