7.
Match list I correctly with list II and select your answer using the codes given below:
Answer : B. a-4 ,b-2 ,c-3 ,d-1
8.
The lower region above the earth’s surface is called
Answer : C. Troposphere
9.
The solid portion of the earth is called _______
Answer : C. Lithosphere
10.
Which atmosphere layer is known for all weather changes?
Answer : A. Troposphere
11.
Which atmosphere layer is rich in ozone?
Answer : B. Stratosphere
12.
Which atmosphere layer is sun's radiation is ionized?
Answer : C. Ionosphere