Biochemistry And Biomolecules PYQs — 19 UPSC CSE Previous Year Questions

Question 1

Consider the following pairs: Vitamin Deficiency disease 1. Vitamin C Scurvy 2. Vitamin D Rickets 3. Vitamin E Night blindness Which of the pairs given above is/are correctly matched?

Accepted Answer

A. 1 and 2 only

Question 2

A company marketing food products advertises that its items do not contain trans-fats. What does this campaign signify to the customers ? The food products are not made out of hydrogenated oils. The food products are not made out of animal fats/oils. The oils used are not likely to damage the cardiovascular health of the consumers. Which of the statements given above is/are correct ?

Accepted Answer

C. 1 and 3 only

Question 3

Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity ?

Accepted Answer

C. They neutralize the free radicals produced in the body during metabolism

Question 4

Which one among the following is not a good source of nutritional calcium?

Accepted Answer

A. Rice

Question 5

Consider the following statements:

Caffeine, a constituent of tea and coffee is a diuretic.
Citric acid is used in soft drinks.
Ascorbic acid is essential for formation of bones and teeth.
Citric acid is a good substitution ascorbic acid ii our nutrition.

Which of the statements given above are correct?

Accepted Answer

A. 1 and 2 only

Question 6

The hormone insulin is a

Accepted Answer

C. peptide

Question 7

Assertion (A) : Fatty acids should be a part of the balanced human diet. Reason (R) : The cells of the human body cannot synthesize any fatty acids.

Accepted Answer

C. A is true but R is false

Question 8

Consider the following statements:

Non-functioning of lachrymal gland is an important symptom of deficiency of Vitamin A.
Deficiency of Vitamin B1 can lead to indigestion and heart enlargement.
Vitamin C deficiency can lead to pain in the muscles.
Deficiency of Vitamin D causes increased loss of Ca in urine.

Which of the statements given above are correct?

Accepted Answer

D. 1, 2, 3 and 4

Question 9

Which one of the following statements is not correct?

Accepted Answer

A. Milk contains none of the B-vitamins.

Question 10

Assertion (A) : Human diet should compulsorily contains glycine, serine and tyrosine. Reason (R) : Essential amino acids cannot be synthesized in the human body.

Accepted Answer

D. A is false but R is true

Question 11

Consumption of fish is considered to be healthy when compared to flesh of other animals because fish contains

Accepted Answer

A. polyunsaturated fatty acids

Question 12

Alpha-keratin is a protein, present in

Accepted Answer

B. Skin

Question 13

The major component of honey is

Accepted Answer

D. fructose

Question 14

What is the average fat content of buffalo milk?

Accepted Answer

A. 7.2%

Question 15

Daily intake of proteins, recommended for a moderately active woman is

Accepted Answer

D. 46 g

Question 16

Match List-I with List-Il and select the correct answer by using the codes given below:

	List-I		List-II
A.	Vitamin	1.	Pepsin
B.	Enzyme	2.	Carotene
C.	Hormone	3.	Keratin
D.	Protein	4.	Progesterone

Codes:
ABCD

Accepted Answer

B. 2143

Question 17

The nutritional deficiency condition that needs to be given top priority for remedial action in India today is

Accepted Answer

C. Xerophthalmia

Question 18

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

Accepted Answer

C. potassium, sodium, magnesium and calcium

Question 19

Besides proteins and carbohydrates, other elements of nutritional value found in milk, include

Accepted Answer

B. calcium and potassium

Vitamin	Deficiency disease
1. Vitamin C	Scurvy
2. Vitamin D	Rickets
3. Vitamin E	Night blindness