GATE XL format:msq PYQs & Answers — Page 6

Questions 51–60 of 179. Imported answers require independent review unless marked reviewed.

Topic practice 179 questionsPage 6 of 18

Which of the following reactions is/are catalyzed by aldolase?

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Dihydroxyacetone phosphate + Glyceraldehyde-3-phosphate → Fructose 1,6-bisphosphate

Dihydroxyacetone phosphate + Erythrose-4-phosphate → Sedoheptulose-1,7-bisphosphate

Dihydroxyacetone phosphate → Glyceraldehyde-3-phosphate

Glyceraldehyde-3-phosphate + Erythrose-4-phosphate → Sedoheptulose-1,7-bisphosphate

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Which option(s) correctly match(es) the Antibiotic with their corresponding Target?

Antibiotic	Target
P. Penicillin	i. Ribosome
Q. Kanamycin	ii. RNA polymerase
R. Rifampin	iii. DNA gyrase
S. Nalidixic acid	iv. Transpeptidase
T. Ciprofloxacin

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P - iv; Q - i; R - ii; S - iii

P - ii; Q - iv; R - i; S - iii

P - iv; Q - i; R - ii; T - iii

P - iv; Q - iii; R - ii; T - i

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Nucleosomes are made up of DNA and histones. Histones undergo various kind of modifications by different groups of proteins. They are known as histone writers, readers and erasers. Which of the following is/are histone writer(s)?

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Histone acetyl transferases

Histone methyl transferases

Histone deacetylases

DNA methyl transferases

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The expression of a gene is regulated by a transcription factor. Which of the following techniques can be used to identify the region in its promoter where the transcription factor binds?

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S1 nuclease mapping

Chromatin immunoprecipitation followed by sequencing

Electrophoretic mobility shift assay

DNase I footprinting

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Which of the following animals in India are included under “critically endangered” threat category as per the Red Data List of IUCN?

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Namdha Flying Squirrel

Indian Rhinoceros

Nicobar Shrew

Clouded Leopard

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Which of the following statements in relation to cell movement during gastrulation in Sea urchin is/are correct?

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Delamination leads to the formation of endoderm

Ingression leads to the development of mesoderm

Involution leads to the development of ectoderm

Invagination leads to the development of endoderm

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Which of the following genetic disorders is/are caused by trinucleotide repeat expansions?

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Huntington’s disease

β-thalassemia

Fragile X syndrome

Cystic fibrosis

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Among the following, which is/are the process(es) that lead to generation of new fats from existing ones?

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Transesterification

Degumming

Hydrogenation

Winterization

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Which of the following statement(s) is/are TRUE for a package of gamma-irradiated (7.5 kGy) whole chicken?

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Nutritional quality of the product deteriorates after irradiation.

Spores of C. botulinum can survive in the irradiated product.

‘Radura’ symbol does not ensure safety of the irradiated product for consumption.

Energy need for the irradiation process is much higher than that required for freezing of the product.

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Match the following food products in Column I with their corresponding processes in Column II.

Column I: P — Idli; Q — Parboiled rice; R — Soda beverage; S — Cookies.

Column II: 1 — Baking; 2 — Fermentation; 3 — Gelatinization; 4 — Carbonation

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P-2;Q-3;R-4;S-1

P-3;Q-2;R-4;S-1

P-2;Q-4;R-1;S-3

P-2;Q-3;R-1;S-4

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GATE XL format:msq PYQs

Question 81

Question 82

Question 97

Question 98

Question 99

Question 100

Question 101

Question 110

Question 117

Question 118