35. Which of the following sequences of planets is in the ascending order of their distances from the sun ?
(a) Mercury, Venus, Earth, Mars
(b) Venus, Earth, Mars, Mercury
(c) Earth, Mercury, Venus, Mars
(d) Mars, Venus, Earth, Mercury
36. Which of the following is present in hard water ?
(a) Hydrogen
(b) Calcium
(c) Sodium
(d) Aluminium
37. Light year is an astronomical measure of
(a) The intensity of light
(b) The time
(c) The distance
(d) None of these
38. Altimeter is used in measuring
(a) The approximate height above the ground
(b) The atmospheric pressure
(c) The strength of the current
(d) The difference in hearing
39. From which of the following trees, quinine is obtained ?
(a) Eucalyptus
(b) Rawolfia serpentine
(c) Walnut
(d) Cinchona
40. Oxygen in the upper atmosphere is converted into
(a) Ozone
(b) Hydrogen
(c) Nitrogen
(d) Carbon dioxide
41. When milk is churned, cream is separated from it. That is due to the
(a) Gravitational force
(b) Frictional force
(c) Cohesive force
(d) Centrifugal force
42. Which of the following is connected with the blood pressure?
(a) Liver
(b) Adrenal
(c) Testis
(d) Pancreas
43. The principal source of power production’ in India is
(a) Water
(b) Oil
(c) Coal
(d) Uranium
44. Assertion (A) : Most of the sounds we hear travel through air, but sound can also travel through solids and liquids.
Reason (R) : All sounds are produced due to vibrations
(a) Both A and R are correct but R is not the correct explanation of A
(b) Both A and R are correct
(c) A is correct but R is incorrect
(d) Both A and R are correct and R is correct explanation of A
45. Alfalfa is a
(a) Leguminous plant
(b) Mineral
(c) Machine
(d) Spice
46. Evening star is
(a) A star that is directly seen before sunset in the east
(b) The Uranus
(c) The Venus
(d) The Jupiter
47. Which phase does the moon has during the solar eclipse?
(a) Full moon
(b) Half moon
(c) New moon
(d) None of these
48. Seasons are caused due to
(a) The revolution of the earth
(b) The inclination of the earth
(c) The round shape of the earth
(d) The rotation of the earth
49. At any place on the equator
(a) The longitude is 0°
(b) The latitude is 0°
(c) The latitude is 90°
(d) The longitude is 90°
50. The gas responsible for Bhopal gas tragedy was
(a) Methyl isocyanate
(b) Chlorine
(c) Ammonia
(d) Oleum