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Question 2
When a man circles round the earth in a satellite, then
(a) His mass becomes zero but weight remains constant
(b) Mass remains constant but weight becomes zero
(c) Both mass and weight remain constant
(d) Both mass and weight remain zero
Question 3
The weight of an object at the poles is greater than at the equator. This is because
(a) Of the shape of the earth
(b) The attraction of the moon is maximum at the earth’s surface
(c) The attraction of the sun is maximum at the earth’s surface
(d) Gravitational pull is more at the poles
Question 4
The first metal used by the man was
(a) Iron
(b) Copper
(c) Aluminium
(d) Gold
Question 5
Gobar gas contains mainly
(a) Carbon dioxide
(b) Methane
(c) Ethylene
(d) Carbon monoxide
Question 6
The content of water is greater than fats, the plasma is more than proteins, proteins are more than fats and fats less than plasma. Which constitutes the major Part of the human body ?
(a) Fats
(b) Water
(c) Plasma
(d) Proteins
Question 7
Dialysis is used for a patient suffering from
(a) Kidney trouble
(b) Liver trouble
(c) Lung trouble
(d) Bronchitis
Question 8
Pulse reading is done by doctors to find out
(a) Temperature
(b) Heart beat
(c) Blood pressure
(d) Respiration rate
Question 9
After how many days rash appears on the body after the attack of Measles ?
(a) One day
(b) Four days
(c) Six days
(d) One week
Question 10
The Vitamin responsible for anti-sterile activity is
(a) Vitamin A
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D
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