Home › Quizzes › Air Around Us

Air Around Us

Learn about the properties, composition, and importance of air in our environment. Topics include gases in air, respiration, photosynthesis, atmospheric phenomena, wind energy, and practical applications of air in daily life.

20 Questions Published
Play Quiz Practise this topic out loud

Questions

Question 1 Multiple Choice (Single Answer)

Plants produce ________ during photosynthesis and utilise ________ during respiration.

  1. oxygen; carbon dioxide
  2. oxygen; oxygen
  3. carbon dioxide; carbon dioxide
  4. oxygen; nitrogen
Question 2 Multiple Choice (Single Answer)

Which of the following statements is not true?

  1. Aquatic animals can breathe inside the water.
  2. Earthworms cannot breathe inside the soil.
  3. Flour mills can be run by moving air.
  4. Plants cannot live without oxygen for long time.
Question 3 Multiple Choice (Single Answer)

Which part of the air supports burning?

  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Noble gases
Question 4 Multiple Choice (Single Answer)

Bats and insects can fly due to the ________.

  1. diet they consume
  2. presence of air
  3. body temperature they can achieve
  4. none of these
Question 5 Multiple Choice (Single Answer)

It is a colourless gas and has no smell. Which gas is it?

  1. Fluorine
  2. Air
  3. Chlorine
  4. Bromine
Question 6 Multiple Choice (Single Answer)

Which of the following cylinders do mountaineers carry with them while climbing mountains?

  1. Carbon dioxide cylinders
  2. Oxygen cylinders
  3. Nitrogen cylinders
  4. Hydrogen cylinders
Question 7 Multiple Choice (Single Answer)

What happens when moist air comes in contact with a cold surface?

  1. Water vapour present in the air condenses and drops of water appear on the cold surface.
  2. The water vapour in the air condenses and a small cloud forms.
  3. The particulate matter suspended in the air settles down as the air around the surface contracts.
  4. No visible effect is observed.
Question 8 Multiple Choice (Single Answer)

How do the organisms living in the soil breathe?

  1. They use the nitrogen from the soil.
  2. They use the carbon dioxide from the soil.
  3. They use the oxygen from the air trapped in the pockets of the soil.
  4. They use the water vapours from the soil.
Question 9 Multiple Choice (Single Answer)

How do the fish survive under water?

  1. By jumping out of water to breathe in air
  2. By taking in oxygen dissolved in water
  3. By eating food rich in oxygen
  4. None of these
Question 10 Multiple Choice (Single Answer)

A thick blanket of ________ surrounding the earth’s surface is called _________.

  1. smoke, stratosphere
  2. carbon dioxide, atmosphere
  3. dust, troposphere
  4. air, atmosphere
Question 11 Multiple Choice (Single Answer)

Which of the following are necessary for the survival of living things?

  1. Air, water, food and a suitable place to live
  2. Air, water and companion
  3. Temperature, air, light, water, soil and climate
  4. carbon dioxide, soil and energy
Question 12 Multiple Choice (Single Answer)

Raj's car is parked outside the house for two days during winter. After two days, he saw that the windscreen of the car has becomes hazy. Which of the following can be the reason for the haziness of the windscreen?

  1. Presence of dust particles
  2. Presence of fog
  3. Presence of smoke particles
  4. All of the above
Question 13 Multiple Choice (Single Answer)

What is/are the use(s) of air for plants?

  1. The dispersal of seeds
  2. The dispersal of pollen of flowers
  3. Air is a source of Nitrogen for them
  4. Both (1) and (2)
Question 14 Multiple Choice (Single Answer)

The policeman regulating traffic at a crowded crossing often wears a mask. What is/are the reason(s)?
(a) To release oxygen from the mask
(b) To prevent himself from the dust and smoke
(c) So that he doesn't have to hold a handkerchief when he sneezes as his hands are preoccupied directing the traffic

  1. Only (a)
  2. Only (b)
  3. Only (b) and (c)
  4. Only (c)
Question 15 Multiple Choice (Single Answer)

Why is one advised to throw a blanket over a burning object during an incident of fire?

  1. To cut off the contact between oxygen and the burning object
  2. To cut off the contact between nitrogen and the burning object
  3. To cut off the contact between noble gases and the burning object
  4. To cut off the contact between water vapours and the burning object
Question 16 Multiple Choice (Single Answer)

Which of the following statements is/are true?
(a) Air contains water vapours.
(b) When air comes in contact with a hot surface, it condenses.
(c) When water vapour from the air condenses, the drops of water appear on the surface of an object.

  1. Only (a)
  2. Only (b) and (c)
  3. Only (a) and (c)
  4. Only (b)
Question 17 Multiple Choice (Single Answer)

Sonam went on the roof of her house with a firki and noticed that her firki starts rotating. What is/are the reason(s)?
(a) Beacause the side of the firki facing the sun gets hotter and hence becomes lighter which causes it to rotate
(b) Because the force of air was rotating the firki
(c) Because the structure of a firki is such that it is not alligned with its central rotational axis which causes it to keep on rotating

  1. Only (a) and (b)
  2. Only (b)
  3. Only (c)
  4. Only (a) and (c)
Question 18 Multiple Choice (Single Answer)

What happens to a lump of cotton wool when it is put in cold water?

  1. The lump of cotton wool expands.
  2. The lump of cotton wool shrinks.
  3. The lump of cotton wool disintegrates and dissolves in water.
  4. Both (1) and (3)
Question 19 Multiple Choice (Single Answer)

Plants and animals depend on each other for exchange of _______ and ______ from air.

  1. oxygen; carbon dioxide
  2. oxygen; nitrogen
  3. carbon dioxide; water
  4. carbon dioxide; nitrogen
Question 20 Multiple Choice (Single Answer)

Which of the following statements is/are true?

  1. Animals use air for respiration.
  2. Plants use air to prepare their food.
  3. Air helps in power generation by wind turbines.
  4. All of the above
← Back to Quizzes