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- 1. Multiple Choice
On which day earth day is celebrated everyyear?
22 April
21 April
5June
- 2. Multiple Choice
Which speed of the earth is day and night
Turns
Rotation
Spinning
None of these
- 3. Multiple Choice
Which of the following is natural Satellite of earth
Jupiter
Mars
Moon
None of these
- 4. Multiple Choice
Which of the following gas is not a green house gas
Methane
Nitrogen oxide
Carbondioxide
Hydrogen
- 5. Multiple Choice
The hardest substance available on earth is
Gold
Iron
Diamond
Platinum
- 6. Multiple Choice
Sodium. Metal is kept under
Petrol
Alcohol
Water
Kerosene
- 7. Multiple Choice
Decibel is the unit for
Speed of light
Radio waves Frequency
Intensity of sound
- 8. Multiple Choice
Which of the following are the ingredients of gun metal
Iron zinc and Titanium
Iron Tin
Copper Tin Zinc
- 9. Multiple Choice
Which metal pollute the air of a big city
Copper
Chromium
Lead
- 10. Multiple Choice
Two element that are frequently used for making transistor are
Boron and aluminium
Siljcon and Germanium
Iridium and tungste
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