IAS/UPSC Coaching Institute  
This section analyzes the closest planet to the Sun. It addresses its high density, lack of a substantial atmosphere, orbital resonance, extreme diurnal thermal ranges, and major scientific flyby discoveries.

Practice MCQ Questions

Ques: 1
The Planet Mercury is revolving around the Sun in an elliptical orbit, as shown in the given figure. The Kinetic energy of Mercury is greatest at the point labelled.

Ques: 2
Which of the following planet takes the least time to orbit the sun:

Ques: 3

Consider the following statement:

  1. The albedo of an object determines its visual brightness when viewed with reflected light.
  2. The albedo of Mercury is much greater than the albedo of the Earth.
  3. Which of the statements given above is/are correct?

Ques: 4
The smallest planet of the solar system is:

Ques: 5
Which of the following pairs of planets is without satellites?