Constituents of Food and Balanced Diet NDA Questions

NDA BIOLOGY

Constituents of Food and Balanced Diet MCQ Questions


7.
The process by which an organism uses food for energy, growth and protection is called:
A.
Digestion
B.
Nutrition
C.
Assimilation
D.
Respiration
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ANSWER :
B. Nutrition
8.
Which component of food does NOT provide energy to the body?
A.
Fats
B.
Carbohydrates
C.
Vitamins
D.
Proteins
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ANSWER :
C. Vitamins
9.
Consider the statements: I. Proteins, carbohydrates and fats; II. Vitamins; III. Minerals; IV. Water. Which of these are constituents of food?
A.
I, II, III and IV
B.
I, II and IV only
C.
II and III only
D.
I and III only
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ANSWER :
A. I, II, III and IV
10.
What percentage of a balanced diet should ideally be contributed by carbohydrates?
A.
30–40%
B.
18–25%
C.
10–15%
D.
60–70%
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ANSWER :
D. 60–70%
11.
The simplest unit of a carbohydrate is:
A.
Monosaccharide
B.
Disaccharide
C.
Polysaccharide
D.
Oligosaccharide
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ANSWER :
A. Monosaccharide
12.
Which of the following is the main storage form of carbohydrates in animals?
A.
Starch
B.
Cellulose
C.
Glycogen
D.
Sucrose
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ANSWER :
C. Glycogen