universe & solar system section 11 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 36

Consider the following statements :

1. As a rock, graphite is formed from coal by thermal metamorphism.
2. Gypsum is an example of sedimentary rock.

a) Both 1 and 2

b) Neither 1 nor 2

c) 2 only

d) 1 only

Question : 37

Consider the following two statements. One labeled as the Assertion (A) and other as Reason (R). Examine these two statements carefully and select the correct answer by using the codes given below.
Assertion (A):
Existence of human life on Venus is highly improbable.
Reason (R):
Venus has extremely high level of carbon dioxide in its atmosphere. Codes:

a) A is true, but R is false.

b) A is false, but R is true.

c) Both A and R are true, but R is not the correct explanation of A.

d) Both A and R are true and R is the correct explanation of A.

Question : 38 [UP UDA/LDA (Pre) 2013]

Chemical element found in abundance in the Earth’s crust is

a) Iron

b) Silicon

c) Aluminium

d) Oxygen

Question : 39

The approximate diameter of Earth is

a) 3400 km

b) 12800 km

c) 6400 km

d) 4200 km

Question : 40 [UPPCS (Mains) 2004]

After seven years of its journey spacecraft Cassini started its revolution in June-2004 around which planet?

a) Mars

b) Saturn

c) Jupiter

d) Mercury