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

Question : 1

Which of the following stars is known as Fossil star?

a) Red Giant

b) White Dwarf

c) Dog Star

d) Protostar

Question : 2

Consider the following statements:

1. Our solar system is located in the orion arm of the Milky way galaxy, about two-third of the way out from the centre.
2. The solar system formed from an interstellar cloud of dust and gas or nebulla about 4.6 billion years ago.

a) Both 1 and 2

b) Neither 1 nor 2

c) 2 only

d) 1 only

Question : 3

Which one of the following statements is not correct?

a) All meridians are always parallel to one another

b) An indefinite number of meridians may be drawn on a globe

c) Meridians are spaced farthest apart at the equator and converge to common points at the poles

d) All meridians run in a ture North-South direction

Question : 4

The Solar Eclipse achieves totality only in limited geographical regions because

a) The trajectories of the Earth around the Sun and Moon around the Earth are not perfect circles

b) Sun rays can reach most of the peripheral regions of the shadow of the Moon due to atmosphere refraction

c) The Earth is not a smooth flat surface, but has elevations and depressions

d) The size of the shadow of the Moon on the Earth is small as compared to cross-section of Earth

Question : 5

The average distance between the sun and earth is

a) 155 million km

b) 160 million km

c) 150 million km

d) 145 million km

Question : 6

In completing one revolution of the Sun, Earth takes approximately

a) 365.5 days

b) 365.75 days

c) 365.25 days

d) 365 days