GK-CDS-2009 Questions and Answers

Consider the following statements— X-rays 1. can pass through thin sheets of aluminium 2. can be deflected by magnetic field 3. move with a velocity less than the velocity of ultraviolet rays in vacuum Which of the statements given above is/are correct ?

If a small raindrop falls through air—

Television signal cannot be received generally beyond a particular distance due to—

Because of which one of the following factors, clouds do not precipitate in deserts ?

Which one of the following is an object with such a strong gravitational field that even light cannot escape from its surface ?

Which one of the following is a medium range surface to air missile ?

Match List-I with List-II and select the correct answer using the codes given below the lists : List-I (Vitamin) (a) Vitamin A (b) Vitamin B1 (c) Vitamin C (d) Vitamin E List-II (Chemical Compound) 1. Thiamin 2. Retinol 3. Ascorbic acid 4. Tocopherol Codes : (a) (b) (c) (d)

Which one of the following is the tide produced as a consequence of moon and sun pulling the earth in the same direction ?

Aqua regia used by alchemists to separate silver and gold is a mixture of—

Commercial vulcanization of rubber involves—