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General Knowledge > General Knowledge > Solar System

1 . Big Bang was an explosion that occurred
 
110 Billion years ago
215 Billion years ago
320 Billion years ago
425 Billion years ago
 
Answer: Option2
2 Which are the main gases present in Sun ?
 
1Hydrogen and Helium
2Hydrogen and Argon
3Argon and Helium
4Hydrogen 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 ?
 
1September 22
2September 23
3October 22
4October 23
 
Answer: Option2
4 Which planet is also known as Red planet ?
 
1Mercury
2Mars
3Venus
4 Jupiter
 
Answer: Option2
5 Surface temperature of Sun is about ?
 
15000 degree celsius
25500 degree celsius
36000 degree celsius
46500 degree celsius
 
Answer: Option3
6 Which of the following is a non metal that remains liquid at room temperature?
 
1 Phosphorous
2Bromine
3Chlorine
4Helium
 
Answer: Option2
7 Which Planet is dwarf planet
 
1A. Mercury
2B. Pluto
3C. Mars
4D. Uranus
 
Answer: Option2
8 The thickness of earth Crust is about ?
 
125 Km
230 Km
335 Km
440 Km
 
Answer: Option2
9 Brass gets discoloured in air because of the presence of which of the following gases in air?
 
1Oxygen
2Hydrogen sulphide
3Carbon dioxide
4Nitrogen
 
Answer: Option2
10 The proportion of Hydrogen to Helium in the Sun is ?
 
13:2
23:1
31:1
43:4
 
Answer: Option2
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