146: Cover of a solar cooker is made of glass. Why ?

(a) It absorbs sun rays

(b) It reflects sun rays

(c) Sun heat is transmitted through glass without much absorption

(d) None of these
147: Sex of a child is determined by the:

(a) Chromosomes of father

(b) Chromosomes of mother

(c) Rh factor of parents

(d) None of these
148: A particular State in India has the following characteristics :

1. It is located on the same latitude which passes through northern Rajasthan.

2. It has over 80% of its area under forest cover.

3. Over 12% of forest cover constitutes Protected Area Network in this State.

Which one among the following States has all the above characteristics?

(a) Arunachal Pradesh
(b) Assam
(c) Himachal Pradesh
(d) Uttarakhand
149: Put the following mass communication media in the sequence in which they came to India?

1. Radio

2. Television

3. Films

4. Printing

(a) 1, 3, 2, 4

(b) 1, 4, 3, 2

(c) 2, 4, 3, 1

(d) 4, 3, 1, 2
150: Kim Dae-Jung won the Nobel Prize for Peace. He is from which one of the following countries?

(a) South Korea
(b) Vietnam
(c) Japan
(d) Cambodia