Ans: (b)
54. Match the following:
    List 1                 List 2
    A. Biggest planet      1. Venus
    B. Smallest planet     2. Neptune
    C. Hottest planet      3. Jupiter
    D. Coldest planet      4. Mercury
         A        B        C         D
    (a)  3        4        1         2
    (b)  2        1        3         4
    (c)  2        1        4         3
    (d)  3        4        2         1
Ans: (a)
55. Which of the following planets is the closest to the sun?
    (a) Mars
    (b) Mercury
    (c) Earth
    (d) Venus
Ans: (b)
56. Which of the following planets is the farthest from the sun?
    (a) Jupiter
    (b) Neptune
    (c) Saturn
    (d) Uranus
Ans: (b)
57. Which of the following is termed as the ‘Red Planet’?
    (a) Mars
    (b) Uranus
    (c) Venus
    (d) Neptune
Ans: (a)
58. Which of the following is termed as the ‘Green Planet’?
    (a) Jupiter
    (b) Neptune
    (c) Saturn
    (d) Uranus
Ans: (d)
59. Which of the following is termed as the ‘Blue Planet’?
    (a) Mars
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