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6 questions · 1996 · answers as per the UPSC key

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All years of Biology · Full UPSC 1996 paper
UPSC 1996 · Q98 · Science & Technology › Biology · Save

Which one of the following is a modified stem?

(a) Carrot
(b) Sweet potato
(c) Coconut
(d) Potato
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Answer: (d) Potato
UPSC 1996 · Q99 · Science & Technology › Biology · Save

Fat present below the skin surface in our body acts as a barrier against

(a) loss of heat from the body
(b) loss of essential body fluids
(c) loss of salts from the body
(d) entry of harmful micro-organisms from the environment
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Answer: (a) loss of heat from the body
UPSC 1996 · Q101 · Science & Technology › Biology · Save

Which one of the following is NOT an essential micronutrient for plants?

(a) Boron
(b) Zinc
(c) Sodium
(d) Copper
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Answer: (c) Sodium
UPSC 1996 · Q104 · Science & Technology › Biology · Save

Living organisms require at least 27 elements, of which 15 are metals. Among these, those required in major quantities include

(a) Potassium, Manganese, Molybdenum & Calcium
(b) Potassium, Molybdenum, Copper & Calcium
(c) Potassium, Sodium, Magnesium & Calcium
(d) Sodium, Magnesium, Copper & Manganese
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Answer: (c) Potassium, Sodium, Magnesium & Calcium
UPSC 1996 · Q105 · Science & Technology › Biology · Save

Match List I with List II

and select the correct answer using the codes given below the lists:

List I I. Vitamin II. Enzyme III. Hormone IV. Protein

List II A. Pepsin B. Carotene C. Keratin D. Progesterone

(a) I – A, II – B, III – C, IV – D
(b) I – B, II – A, III – D, IV – C
(c) I – B, II – A, III – C, IV – D
(d) I – A, II – B, III – D, IV – C
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Answer: (b) I – B, II – A, III – D, IV – C
UPSC 1996 · Q130 · Science & Technology › Biology · Save

Match List I (Physiological processes) with List II (Cell organelles) and select the correct answer by using the codes given below the lists:

List I I. Photosynthesis II. Mineral uptake III. Respiration IV. Protein Synthesis

List II A) Plasma membrane B) Chloroplast C) Mitochondria D) Ribosomes

Codes:

(a) I-A, II-B, III-C, IV-D
(b) I-A, II-B, III-D, IV-C
(c) I-B, II-A, III-C, IV-D
(d) I-B, II-A, III-D, IV-C
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Answer: (c) I-B, II-A, III-C, IV-D