GATE XL 2021 Paper 1 — page 33

Questions 97–99 of 125. Imported answers require review unless explicitly marked reviewed.

Match the autoimmune diseases in Column I for the self-antigens in Column II

Column I P. Rheumatoid arthritis Q. Systemic lupus erythematosus R. Myasthenia gravis S. Multiple sclerosis

Column II (i) Myelin (ii) Connective tissue (iii) DNA (iv) Acetylcholine receptors

Your answerChoose one option.

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

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

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

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

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Match the types of cell movements during gastrulation in Column I with the descriptions in Column II

Column I P. Invagination Q. Involution R. Ingression S. Delamination

Column II (i) Migration of individual cells from the surface into the embryo’s interior (ii) Infolding of a sheet (epithelium) of cells during the formation of endoderm in sea urchin (iii) Splitting of one cellular sheet into two nearly parallel sheets (iv) Inward movement of an expanding outer layer of cells so that it spreads over the internal surface of the remaining external cells

Your answerChoose one option.

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

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

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

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

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Match the therapeutic factors in Column I with the applications in Column II

Column I P. Humulin Q. Erythropoietin R. Plasminogen activator S. Cathepsin K inhibitor T. Leptin

Column II (i) Cancer therapy (ii) Diabetes (iii) Osteoporosis (iv) Anaemia (v) Myocardial infarction (vi) Obesity

Your answerChoose one option.

P-(ii), Q-(iv), R-(v), S-(iii), T-(vi)

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

P-(v), Q-(vi), R-(iv), S-(iii), T-(i)

P-(iii), Q-(iv), R-(ii), S-(v), T-(vi)

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2021 · Paper 1

Question 12

Question 13

Question 14