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Biology Class 9 Chapter 8 Nutrition-7
1.
Deficiency of iron causes?
a) Anemia
b) Tetany
c) Rickets
d) Thyroid abnormality
2.
Which of the major components of food is needed as the main structural component of the body?
a) Proteins
b) Lipids
c) Carbohydrates
d) None of these
3.
The chemical compounds that are required in low amounts but are essential for normal growth and metabolism are called as?
a) Vitamins
b) Proteins
c) Carbohydrates
d) Lipids
4.
Which one of the following is a fat soluble vitamin?
a) All of these
b) Vit A
c) Vit D
d) Vit E
5.
Which one of the following is a water soluble vitamin?
a) Vit C
b) Vit A
c) Vit K
d) Vit E
6.
Which vitamin was first discovered?
a) Vit A
b) Vit B
c) Vit C
d) Vit D
7.
Vitamin A was discovered in?
a) 1913
b) 1910
c) 1920
d) 1900
8.
Vitamin A combines with which protein in the rod cells of retina?
a) Opsin
b) Globulin
c) Haemoglobin
d) Myosin
9.
The process through which embryonic cells are transformed into mature cells with specific functions is known as?
a) Cell differentiation
b) Cell fractionation
c) Blastulation
d) Organogenesis
10.
Vitamin A combines with opsin in the eye to form?
a) Rhodopsin
b) Myosin
c) Myoglobin
d) Albumin
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