Why do we feel drowsy after a heavy meal?
(a) The biological clock is upset
(b) The body muscles are fatigued
(c) The hypothalamus produces melatonin to induce sleep
(d) Brain receives less oxygen
Dialysis is used in the case of a patient suffering from:
(a) Heart problems
(b) Kidney problems
(c) Respiratory diseases
(d) Neurological disorders
Sunlight is a good source of:
(a) Vitamin A
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D
What kind of energy is stored in a dry cell?
(a) Mechanical
(b) Electrical
(c) Chemical
(d) Solar
The normal boiling point of water is:
(a) 100°C
(b) 110°C
(c) 120°C
(d) 200°C
Which gas is used to kill bacteria in water?
(a) Hydrogen
(b) Sulphur
(c) Chlorine
(d) Nitrogen
One tonne is equal to:
(a) 500 kgs
(b) 1000 kgs
(c) 2000 kgs
(d) 3000 kgs
Which of the following does not provide energy?
(a) Carbohydrates
(b) Proteins
(c) Fats
(d) Water
Which part of human body is like a computer?
(a) Heart
(b) Brain
(c) Lungs
(d) Eyes
Which of the following medicines is administered to patients suffering from diabetes?
(a) Penicillin
(b) Insulin
(c) Sulpha drugs
(d) Streptomycin