The Sun

Q1. The sun accounts for

99.86% of mass in solar system

99.99% of mass in solar system

98% of mass in solar system

99.77% of mass in solar system

Q2. Number of layers in the sun's atmosphere

4

3

5

1

Q3. What is caused by the interaction of solar winds with earth's atmosphere?

Aurora Australis

Aurora Borealis

Both

None of these

Q4. The sun is

yellow dwarf

Both

None of these

red star

Q5. _____ occurs in the core of the sun

None of these

Both

nuclear fusion

nuclear fission

Q6. The sun is almost a perfect sphere

False

True

Q7. The sun is also called

Sar

Ras

Stone

Sol

Q8. Speed of the sun

225 km/s

250 km/s

220 km/s

230 km/s

Q9. The sun is ________ thorugh it's life

None of these

quarter

halfway

beginning

Q10. Age of the sun

4.6 billion years

7.6 billion years

5 billion year

6 billion years

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