1 . Big Bang was an explosion that occurred   1 10 Billion years ago 2 15 Billion years ago 3 20 Billion years ago 4 25 Billion years ago   Answer: Option2

2 Which are the main gases present in Sun ?   1 Hydrogen and Helium 2 Hydrogen and Argon 3 Argon and Helium 4 Hydrogen and Carbon Diaoxide Answer: Option A Explanation: Sun is composed of 75 % of hydrogen and 26.5 % of Helium   Answer: Option1

3 Autumnal Equinox occurs on ?   1 September 22 2 September 23 3 October 22 4 October 23   Answer: Option2

4 Which planet is also known as Red planet ?   1 Mercury 2 Mars 3 Venus 4 Jupiter   Answer: Option2

5 Surface temperature of Sun is about ?   1 5000 degree celsius 2 5500 degree celsius 3 6000 degree celsius 4 6500 degree celsius   Answer: Option3

6 Which of the following is a non metal that remains liquid at room temperature?   1 Phosphorous 2 Bromine 3 Chlorine 4 Helium   Answer: Option2

7 Which Planet is dwarf planet   1 A. Mercury 2 B. Pluto 3 C. Mars 4 D. Uranus   Answer: Option2

8 The thickness of earth Crust is about ?   1 25 Km 2 30 Km 3 35 Km 4 40 Km   Answer: Option2

9 Brass gets discoloured in air because of the presence of which of the following gases in air?   1 Oxygen 2 Hydrogen sulphide 3 Carbon dioxide 4 Nitrogen   Answer: Option2

10 The proportion of Hydrogen to Helium in the Sun is ?   1 3:2 2 3:1 3 1:1 4 3:4   Answer: Option2