universe & solar system section 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following statement:

1. Mechanical weathering takes place only in sedimentary rocks.
2. The rain-water reacts with rocks to form new chemical substances.

a) Both 1 and 2

b) Neither 1 nor 2

c) 2 only

d) 1 only

Question : 2

Which of the following is known as the Morning Star?

a) Mars

b) Venus

c) Jupiter

d) Saturn

Question : 3

When did man first land on the Moon?

a) 1971

b) 1969

c) 1963

d) 1953

Question : 4

Which of the following statements is/are correct?

1. All stars and planets in the universe shine by the reflected light of the sun.
2. Sun is believed to be formed of condensation of gases.
3. The sun has a surface temperature of about 20 million °C.
4. Sun is about 30,000 times as big as the earth.

a) 3 and 4

b) 2 and 3

c) 1 and 2

d) 2 only

Question : 5

Which of the following stars is also known as Pulsar?

a) Neutron Star

b) Massive Star

c) White Dwarf

d) Red Giant

Question : 6

Which of the following statements relating to Earthquakes is/are correct?

1. The point of origin of Earthquake is called epicenter.
2. The lines joining the places which were affected Earthquake at the same point of time are called homoseismal lines.

a) Both 1 and 2

b) Neither 1 nor 2

c) Only 2

d) Only 1