Constituents of Food and Balanced Diet NDA Questions

NDA BIOLOGY

Constituents of Food and Balanced Diet MCQ Questions


1.
Which of the following is NOT a constituent of food?
A.
Minerals
B.
Carbohydrates
C.
Haemoglobin
D.
Vitamins
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ANSWER :
C. Haemoglobin
2.
How many essential components make up a balanced diet?
A.
Five
B.
Four
C.
Seven
D.
Six
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ANSWER :
C. Seven
3.
Which of the following are called 'macronutrients'?
A.
Vitamins, proteins and minerals
B.
Vitamins and minerals
C.
Minerals, water and roughage
D.
Carbohydrates, proteins and fats
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ANSWER :
D. Carbohydrates, proteins and fats
4.
Which of the following are called 'micronutrients' or 'protective principles'?
A.
Roughage and water
B.
Proteins and water
C.
Vitamins and minerals
D.
Carbohydrates and fats
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ANSWER :
C. Vitamins and minerals
5.
Roughage (dietary fibre) is mainly composed of:
A.
Starch
B.
Pectin only
C.
Cellulose
D.
Glycogen
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ANSWER :
C. Cellulose
6.
Which nutrient provides the maximum energy per gram?
A.
Vitamins (0 kcal/g)
B.
Fats (9 kcal/g)
C.
Proteins (4 kcal/g)
D.
Carbohydrates (4 kcal/g)
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ANSWER :
B. Fats (9 kcal/g)