GATE XL purpose:exam-prep PYQs & Answers — Page 84

Questions 831–840 of 1235. Imported answers require independent review unless marked reviewed.

Tarantulas and mosquitoes both belong to the phylum Arthropoda. Which ONE of the following represents the correct number of legs in them respectively?

Your answerChoose one option.

6 and 6

6 and 8

8 and 8

8 and 6

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Match the following subcellular organelles in Column I with associated functions in Column II

Column I P. Nucleolus Q. Peroxisomes R. Endoplasmic reticulum S. Golgi bodies

Column II (i) Glycoprotein biosynthesis (ii) Oxidation of fatty acids and amino acids (iii) Protein trafficking (iv) Ribosome biogenesis

Your answerChoose one option.

P-(iii), Q-(ii), R-(i), S-(iv)

P-(i), Q-(ii), R-(iii), S-(iv)

P-(iv), Q-(ii), R-(i), S-(iii)

P-(ii), Q-(iii), R-(i), S-(iv)

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Match the following genetic disorders in Column I with associated typical chromosomal changes mentioned in Column II

Column I P. Klinefelter syndrome Q. Down syndrome R. Turner syndrome S. Cri du chat syndrome

Column II (i) 45,XO (ii) 5p minus (iii) 47,XXY (iv) Trisomy 21

Your answerChoose one option.

P-(iv), Q-(ii), R-(ii), S-(i)

P-(iv), Q-(ii), R-(i), S-(ii)

P-(ii), Q-(iv), R-(ii), S-(i)

P-(iii), Q-(iv), R-(i), S-(ii)

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Match the following components listed in Column I with their respective organs in Column II

Column I P. Endolymph Q. Vitreous humour R. Vas deferens S. Corpus luteum

Column II (i) Testes (ii) Ear (iii) Ovary (iv) Eye

Your answerChoose one option.

P-(ii), Q-(iv), R-(i), S-(iii)

P-(ii), Q-(i), R-(iv), S-(iii)

P-(iii), Q-(iv), R-(i), S-(ii)

P-(ii), Q-(iv), R-(ii), S-(i)

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Match the following digestive enzymes in Column I with their respective functions in Column II.

Column I P. Erepsin Q. Steapsin R. Pepsin S. Enterokinase

Column II (i) converts proteins to peptides (ii) activates trypsinogen to trypsin (iii) converts fat into fatty acid and glycerol (iv) converts polypeptides to amino acids

Your answerChoose one option.

P-(iv), Q-(iii), R-(ii), S-(i)

P-(iv), Q-(iii), R-(i), S-(ii)

P-(iii), Q-(iv), R-(i), S-(ii)

P-(ii), Q-(iv), R-(ii), S-(i)

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Which ONE of the following graphs represents the relationship between ventricular end-diastolic volume and cardiac output in a healthy adult individual at rest (solid line) and upon exercise (dotted line)?

Your answerChoose one option.

Diagram for Life Sciences question 16 (figure 2)

Diagram for Life Sciences question 16 (figure 3)

Diagram for Life Sciences question 16 (figure 4)

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Match the household insect vectors in Column I with their associated diseases in Column II.

Column I P. Kissing bug (Hemiptera) Q. Sand fly (Diptera) R. Deer fly (Diptera) S. Oriental rat flea (Siphonoptera)

Column II (i) Bubonic plague (ii) Tularemia (iii) Chagas disease (iv) Kala azar

Your answerChoose one option.

P-(iv), Q-(iii), R-(ii), S-(i)

P-(iii), Q-(ii), R-(i), S-(iv)

P-(i), Q-(iv), R-(iii), S-(ii)

P-(ii), Q-(iv), R-(ii), S-(i)

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Match the proteins in Column I with the organs in which they are maximally expressed in Column II.

Column I	Column II
P. Keratin	(i) Liver
Q. Surfactants	(ii) Pancreas
R. Pro-carboxypeptidase	(iii) Lung
S. Albumin	(iv) Skin

Your answerChoose one option.

P-(iv), Q-(i), R-(iii), S-(ii)

P-(ii), Q-(iv), R-(ii), S-(i)

P-(iv), Q-(iii), R-(ii), S-(i)

P-(i), Q-(ii), R-(iii), S-(iv)

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The graph below shows the activity of enzyme pepsin in the presence of inhibitors aliphatic alcohols (P) or N-acetyl-l-phenalanine (Q). Which ONE of the following represents the nature of inhibition by P and Q, respectively?

Your answerChoose one option.

Non-competitive and competitive

Competitive and non-competitive

Non-competitive and uncompetitive

Competitive and uncompetitive

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In Drosophila, the red eye phenotype (W) is dominant over the recessive white eye mutant (w). In a mixed population of red and white eye flies of 10,000 individuals, 3,600 flies were white eyed. The percentage of the heterozygous red eye flies in this population is _____________.

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GATE XL purpose:exam-prep PYQs

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20