Optical Fibre System is a:
(a) Defence Mechanism
(b) Telecommunication System
(c) Air Raid System
(d) None of these
Diabetes is caused due to the deficiency of:
(a) Calcium
(b) Vitamin B
(c) Iron
(d) Insulin
It is difficult to cook on mountains because of:
(a) High atmospheric pressure
(b) Low atmospheric pressure
(c) Low temperature
(d) Lack of oxygen
Which poisonous gas is produced when coal is burnt without enough air supply?
(a) Ammonia
(b) Carbon monoxide
(c) Nitrogen
(d) Hydrogen
The humidity in the air tells us about the ratio of _________ in the air.
(a) Oxygen
(b) Carbon dioxide
(c) Water vapours
(d) None of these
How volume is measured the?
(a) Cubic meter
(b) Square meter
(c) Meters
(d) Yards
Substances used to bring relief in pain are called:
(a) Anti pain
(b) Analgesics
(c) Antipyretics
(d) Antibiotics
Which of the following is a man-made material?
(a) Granite
(b) Copper
(c) Plastic
(d) Methane
Which of the following protect our body against disease?
(a) White blood cells
(b) Red blood cells
(c) Platelets
(d) None of these
Biology is the study of:
(a) Plants
(b) Animals
(c) Micro-organisms
(d) All living things