Choose the correct answer.
1. Ramana rubbed few sesame grains on a paper. The paper turns translucent at that
a) carbohydrates
b) proteins
c) fats
d) water
2. Anaemia is caused by the deficiency of
a) Zinc
b) Iron
c) Vitamin A
d) Calcium
3. We lose vision due to deficiency of
a) Vitamin A
b) Vitamin B
c) Vitamin C
d) Vitamin D