Cataract is a disease which is due to _____.

1. 1. A defect in the optic nerve
   2. Inflammation in the eye
   3. Opacity of cornea
   4. Opacity of lens

A hereditary disease in which the affected person is unable to use glucose in its body metabolism is _____.

1. 1. Sickle cell anaemia
   2. AIDS
   3. Diabetes mellitus
   4. Haemophilia

Disease beri beri is because of _____.

1. 1. Lack of green vegetables in diet
   2. Use of milled rice
   3. Deficiency of calcium in bones
   4. Poor use of citrus fruits

Chromosomes are _____.

1. 1. present only in the nucleus of a cell
   2. the biggest in number in human cells
   3. visible in all cells at every time
   4. made up of DNA as a main component

Ready source of energy available for athletes is _____.

1. 1. Proteins
   2. Fats
   3. Carbohydrates
   4. Vitamins

Why do we feel drowsy after a heavy meal?

1. 1. The biological clock is upset
   2. The body muscles are fatigued
   3. The hypothalamus produces melatonin to induce sleep
   4. Brain receives less oxygen and nutrition to the contracting stomach and intestines

A victim of a road accident order the steps in first aid:

1. 1. Treating for cardiac arrest
   2. Treating for asphyxia and treating for shock
   3. Arrest haemorrhage and treating of shock
   4. All of above

Mother’s milk lacks _____.

1. 1. Vitamin C
   2. Iron
   3. Both a & b
   4. None of the above

Pituitary gland is located just below the _____.

1. 1. Brain
   2. Liver
   3. Heart
   4. Kidney

What does blood consists of?

1. 1. 60% plasma, 40% corpuscles 
   2. 40% plasma, 60% corpuscles
   3. 75% plasma, 25% corpuscles
   4. 25% plasma, 75% corpuscles