Universe Page-6

51) Which one of the following planets contains the 'Great Red Spot'?
(A) Saturn
(B) Mars
(C) Jupiter
(D) Venus

52) 'Blue dwarfs' and 'Red giants' refer respectively to ___
(A) Moons of Jupiter
(B) Young stars and old stars
(C) Old stars and young stars
(D) Native and hybrid varieties of milch cattle

53) How many layers are present in the atmosphere of the sun?
(A) 1
(B) 2
(C) 3
(D) 4

54) The first ever artificial satellite was launched by ___
(A) Russia
(B) France
(C) Japan
(D) America

55) Hubble is a ___
(A) Rocket name
(B) Microscope
(C) Space station
(D) Space Telescope

56) Coldest planet of our solar system?
(A) Neptune
(B) Mercury
(C) Earth
(D) Uranus

57) The earth revolves around the sun at the speed of?
(A) 18.5 km/sec
(B) 26.6 km/sec
(C) 30.5 km/sec
(D) 34 km/sec

58) Which planet is the least dense?
(A) Earth
(B) Saturn
(C) Mercury
(D) Mars

59) Which planet is known as "Earth's near twin planet"?
(A) Mercury
(B) Mars
(C) Venus
(D) Neptune

60) The planet with shortest day time is
(A) Venus
(B) Earth
(C) Saturn
(D) Jupiter