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Previous Year Questions Of Constituents of Food ( Biomolecules) For NDA

Previous Year Questions Of Constituents of Food ( Biomolecules) For NDA

Previous Year Questions
Q 2337101082

Which one among the following statements about a healthy diet is correct?
NDA Paper 2 2013
(A)

Regular eating of high energy snacks between meals is healthy, since it provides energy and vitamins in plenty

(B)

Fruits and vegetables make a good choice because their energy content is high

(C)

A balanced diet must contain plenty of fat and protein with little carbohydrates and fibre

(D)

An optimal quantity of fat. protein, carbohydrate with adequate amount of water and fibre makes a healthy diet

Solution:

A healthy diet involves consuming primarily fruits, vegetables and whole grains to satisfy caloric requirements, for essential nutrition, fluid, adequate essential amino acid from protein, essential fatty acids, vitamins, minerals.
Correct Answer is `=>` (D) An optimal quantity of fat. protein, carbohydrate with adequate amount of water and fibre makes a healthy diet
Q 2347601583

Which of the following is not a micronutrient for a plant?
NDA Paper 2 2012
(A)

Iron

(B)

Magnesium

(C)

Molybdenum

(D)

Manganese

Solution:

Micronutrients are nutrients required by humans and other living things throughout life in small quantities for a whole range of physiological functions. There are about seven nutrients essential to plant growth and health. They are mamanganese, boron, copper, iron, chlorine, molybdenum and zinc.
Correct Answer is `=>` (B) Magnesium
Q 2317701689

Balanced diet should have approximately
NDA Paper 2 2012
(A)

`1/5` protein, `3/5` fat and `1/5` carbohydrate

(B)

`3/5` protein, `1/5` fat and `1/5` carbohydrate

(C)

`1/5` protein, `1/5` fat and `3/5` carbohydrate

(D)

`1/2` protein, `1/4` fat and `1/4` carbohydrate

Solution:

A diet is said to be balanced when various nutritional materials are present in sufficient amount and proper proportion. Daily we require about 400-500 gm of carbohydrate. 60-70 gm of fats and 65-75 gm of protein. Balanced diet of each individual can be determined according to his on her needs.
Correct Answer is `=>` (C) `1/5` protein, `1/5` fat and `3/5` carbohydrate
Q 2367801785

The main constituent of vinegar is
NDA Paper 2 2011
(A)

citric acid

(B)

acetic' acid

(C)

ascorbic acid

(D)

tartaric acid

Solution:

Products `quad` Chemical Constitution
Vinegar `quad quad quad ` `quad quad quad quad quad ` Acetic acid
Citrus fruits`quad quad quad ` `quad quad quad ` Citric acid
Grape, tamarind`quad quad quad ` `quad ` Tartaric acid
Vitamin-C `quad quad quad ` `quad quad quad quad ` Ascorbic acid
Correct Answer is `=>` (B) acetic' acid
Q 2327001881

The following questions consist of two Statements, Statement I and Statement II. You are to examine these two statements carefully and select the answer to these items using the codes given below.
NDA Paper 2 2011
Solution:

Auto oxidation in our body cell releases dangerous free radicals. Antioxidants are used to prevent these oxidation. Antioxidants are usually provided from outside and also produced itself by body cell.
Correct Answer is `=>` (B)
Q 2327101981

Consider the following items.

1. Proteins, carbohydrates and fats
2. Vitamins
3. Minerals
4. Water
Which of the above arc considered as the constituents of food?
NDA Paper 2 2010
(A)

1 , 2 and 4

(B)

1 and 3

(C)

2 and 3

(D)

All of these

Solution:

Materials present in the food can be classified into six groups of compounds, are known as constituents of food. They are proteins, carbohydrates, fats, vitamins, minerals and water.
Correct Answer is `=>` (D) All of these
Q 2337612582

Among the given nutrients, milk is a poor source of.
NDA Paper 2 2009
(A)

calcium

(B)

protein

(C)

carbohydrate

(D)

vitamin-C

Solution:

Milk is poor in iron content and vitamin-C while rich in protein, calcium and carbohydrate
Correct Answer is `=>` (D) vitamin-C
 
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