Consider statements about nutrition: 1. Kwashiorkor is caused by protein deficiency. 2. Marasmus is caused by overall calorie deficiency. 3. Goiter is caused by iron deficiency. Which are correct? MCQ with Answer and Explanation

Question

Consider statements about nutrition: 1. Kwashiorkor is caused by protein deficiency. 2. Marasmus is caused by overall calorie deficiency. 3. Goiter is caused by iron deficiency. Which are correct?

A. 1, 2 and 3

B. 1 and 3 only

C. 1 and 2 only

D. 2 and 3 only

Answer: Option C

Solution (By JKSSB Mock Tests)

Kwashiorkor is a severe form of malnutrition caused by inadequate protein intake despite sufficient calorie consumption. Marasmus results from a severe deficiency of both calories and protein, leading to extreme wasting. Goiter is the enlargement of the thyroid gland caused by iodine deficiency, not iron deficiency (which causes anemia). Thus, statements 1 and 2 are correct.

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Assertion (A): Insectivorous plants capture insects.
Reason (R): They grow in nitrogen-rich soil.

A. A is false, but R is true.

B. Both A and R are true, but R is not the correct explanation.

C. Both A and R are true, and R is the correct explanation.

D. A is true, but R is false.

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Correct Answer: Option D

Explanation:
Insectivorous plants (e.g., Venus flytrap) capture insects to obtain nitrogen because they grow in nitrogen-poor soils. So A is true, but R is false (nitrogen-poor, not rich).

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The disease caused by the fungus Candida albicans is:

A. Ringworm

B. Athlete's foot

C. Aspergillosis

D. Candidiasis

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Correct Answer: Option D

Explanation:
Candidiasis (thrush) is an opportunistic fungal infection caused by Candida albicans, affecting moist areas like mouth, vagina, and skin folds. Ringworm is caused by dermatophytes, athlete's foot by Trichophyton, aspergillosis by Aspergillus.

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The base that pairs with adenine in RNA is:

A. Uracil

B. Thymine

C. Guanine

D. Cytosine

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Correct Answer: Option A

Explanation:
In RNA, uracil replaces thymine and pairs with adenine (A-U). In DNA, adenine pairs with thymine. Guanine always pairs with cytosine.

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