Q. With reference to ‘Comets’ consider the following statements:
1.Comets are gas-filled objects that are remnants of the formation of the solar system. 
2.Green comets are only visibly in the Northern Hemisphere.
3.Comets have orbits like other bodies in space.
Which of the statements given above is/are correct?

[A] 1 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: C
Notes:

Explanation –

Statement 1 and 3 are correct. Comets are gas-filled objects that are remnants of the formation of the solar system. Comets have orbits like other bodies in space.

Statement 2 in incorrect. Green comets are visible in both the hemisphere.

Source: The Indian Express