Oxygen was discovered by:
- (A) Rutherford
- (B) Ramsay
- (C) Priestly
- (D) Neil Bohr
- (C) Priestly
“Malaria” is a disease which affects the:
- (A) Heart
- (B) Lungs
- (C) Kidney
- (D) Spleen
- (D) Spleen
Which of the following is a fire resistant?
- (A) Asbestos
- (B) Gypsum
- (C) Dolomite
- (D) Limestone
- (A) Asbestos
The average heartbeat per minute in a normal man is:
- (A) 50
- (B) 70
- (C) 72
- (D) 100
- (C) 72
“Leukemia” is a disease of the:
- (A) Lungs
- (B) Blood
- (C) Skin
- (D) Nerves
- (B) Blood
A person of which blood group is called a universal donor?
- (A) O –ve
- (B) A +ve
- (C) Ab +ve
- (D) B –ve
- (A) O –ve
The major constituent of air is:
- (A) Nitrogen
- (B) Carbon dioxide
- (C) Oxygen
- (D) Hydrogen
- (A) Nitrogen
Which of the following is the hardest element?
- (A) Copper
- (B) Diamond
- (C) Iron
- (D) Silicon
- (B) Diamond
Bronze is an alloy of:
- (A) Copper and Zinc
- (B) Zinc and Tin
- (C) Copper and Tin
- (D) Iron and Copper
- (C) Copper and Tin
In 1935 Charles Francis of America developed “Richter Scale” to measure:
- (A) Intensity of cyclones
- (B) Volume of water in floods
- (C) Magnitude of earthquakes
- (D) Speed of air and wind
- (C) Magnitude of earthquakes