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Given the QUESTION, identify the ANSWER
1. Nitrogen constitutes nearly __ % of the atmosphere.
• 21
• 57
• 79
• 42
Answer: 79
2. Air is
• An Element
• A Compound
• An Alloy
• A Mixture
Answer: A Mixture
3. A hygroscopic substance is one which
• Absorbs air
• Releases water
• Absorbs water
• Releases air
Answer: Absorbs water
4. Which of the following is not a constituent of the atmosphere?
• Aluminum
• Oxygen
• Nitrogen
• Carbon Dioxide
Answer: Aluminum
5. A barometer is used for measuring
• Atmospheric Pressure
• Temperature
• Annual Rainfall
• Humidity
Answer: Atmospheric Pressure
6. On burning charcoal which of the following gases is produced?
• Oxygen
• Nitrous Oxide
• Hydrogen
• Carbon Dioxide
Answer: Carbon Dioxide
7. What gas is evolved when HCl is poured on marble chips?
• Calcium Carbonate
• Carbon Dioxide
• Hydrogen Peroxide
• Hydrogen
Answer: Carbon Dioxide
8. Air is a
• Solid
• Liquid
• Plasma
• Gas
Answer: Gas
9. Fish breathe through
• Lungs
• Gills
• Skin
• Nose
Answer: Gills
10. Which of the following is NOT a noble gas?
• Helium
• Argon
• Krypton
• Hydrogen
Answer: Hydrogen
11. Which of the following is necessary for a substance to burn?
• Oxygen
• Light
• Gasoline
• Hydrogen
Answer: Oxygen
12. When we breathe which of the following gases do we use?
• Helium
• Carbon Dioxide
• Oxygen
• Hydrogen
Answer: Oxygen
13. Which gas in the atmosphere saves us from the UV rays of the sun?
• Nitrogen
• Oxygen
• Ozone
• Carbon Monoxide
Answer: Ozone
14. Dry ice is
• Very Cold Ice
• Solid Carbon Dioxide
• Ice with salt added
• Any Frozen Liquid
Answer: Solid Carbon Dioxide
15. What is the name given to the respiratory holes on the surface of a leaf?
• Chlorophyll
• Tendrils
• Pits
• Stomata
Answer: Stomata
16. The lower, dense region of the atmosphere is known as
• Ionosphere
• Stratosphere
• Hydrosphere
• Troposphere
Answer: Troposphere
17. A space that contains no air or any gas is known as
• Hollow
• Vacuum
• Pressurized Cabin
• Bubble
Answer: Vacuum
18. The atmosphere exerts pressure on the surface of the earth.
• True
• False
Answer: True
19. When hydrogen peroxide acts on Manganese Dioxide, oxygen is produced.
• True
• False
Answer: True
20. Lime water turns milky after carbon dioxide is passed through it.
• True
• False
Answer: True
21. Carbon dioxide is lighter than air.
• True
Answer: False
Try the Quiz : Science Quiz : Air & Atmosphere
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