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Respiration in Organisms (Class VII)

Aerobic Anaerobic Mechanism of respiration

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

In which of the following cell organelles does cell respiration happen?

  1. Nucleus
  2. Mitochondria
  3. Ribosomes
  4. Vacuoles
  5. Chromoplast
Question 2 Multiple Choice (Single Answer)

Which of the following events does not occur during anaerobic respiration in muscles?

  1. Breakdown of glucose
  2. Formation of alcohol
  3. Release of energy
  4. Formation of lactic acid
  5. None of these
Question 3 Multiple Choice (Single Answer)

Which of the following organisms has/have lungs like human beings?

  1. Cockroach
  2. Amoeba
  3. Earthworm
  4. Frog
  5. All of the above
Question 4 Multiple Choice (Single Answer)

The network of hollow tubes running throughout the body of insects helps them in respiration. Each tube has an opening on the body surface in the form of a very small pore, called

  1. trachea
  2. spiracle
  3. gill
  4. stomata
  5. None of these
Question 5 Multiple Choice (Single Answer)

Why does a man at rest breathe at a slower rate as compared to a man running?

  1. The organs of a man at rest are also at rest. Hence, breathing is also slow.
  2. As he is resting, he is not aware of breathing.
  3. A man at rest has low energy as compared to a man who is running and hence, he cannot exhale and inhale quickly.
  4. A man, who is sleeping, does not require more of oxygen. Hence, he breathes at a normal rate.
  5. None of these
Question 6 Multiple Choice (Single Answer)

When air is blown in a glass full of limewater by a drinking straw and stirred, then

  1. carbon dioxide is released
  2. limewater turns milky
  3. calcium carbonate is formed
  4. Both 1 and 2
  5. 1, 2 and 3
Question 7 Multiple Choice (Single Answer)

Which of the following statements regarding exhalation process in human beings is correct?

  1. Air moves out, rib cage moves out and diaphragm moves down.
  2. Air moves out, rib cage moves in and diaphragm moves up.
  3. Air moves in, rib cage moves out and diaphragm moves down.
  4. Air moves in, rib cage moves in and diaphragm moves up.
  5. None of these
Question 8 Multiple Choice (Single Answer)

Which of the following is the main end product of anaerobic respiration in microbes?

  1. Lactic acid
  2. Oxygen
  3. Alcohol
  4. Water
  5. None of these
Question 9 Multiple Choice (Single Answer)

Breathing rate can be calculated by

  1. counting the number of inhales in a minute
  2. counting the number of exhales in a minute
  3. counting the number of inhales and exhales in a minute
  4. the amount of glucose oxidised per minute
  5. None of these
Question 10 Multiple Choice (Single Answer)

Which of the following statements regarding respiration is true?

  1. Water is used during respiration.
  2. Water is released during aerobic respiration.
  3. Water is released when respiration happens in human muscles.
  4. Water is released when microbes respire.
  5. None of these
Question 11 Multiple Choice (Single Answer)

The pneumatophores, modified roots grow

  1. into the soil like fingers
  2. deep into the soil
  3. hanging from the branches of trees downward
  4. upward out of the water or mud
  5. None of these
Question 12 Multiple Choice (Single Answer)

Oxygen is produced in plants by

  1. photosynthesis
  2. anaerobic respiration
  3. aerobic respiration
  4. transpiration
  5. None of these
Question 13 Multiple Choice (Single Answer)

If too much water is filled in a field, then the plants die because

  1. plants do not get sunlight
  2. plants do not get oxygen
  3. plant manures get diluted
  4. plant stems get weakened
  5. All of the above
Question 14 Multiple Choice (Single Answer)

Match the following:

     
1. Roots a. Epidermis
2. Stems b. Stomata
3. Leaves c. Hairs
  1. 1 - b, 2 - a, 3 - c
  2. 1 - a, 2 - c, 3 - b
  3. 1 - c, 2 - b, 3 - a
  4. 1 - c, 2 - a, 3 - b
  5. None of these
Question 15 Multiple Choice (Single Answer)

Match the following:

     
1. Trees growing in mangroves a. Lungs of the world
2. Large forests b. Exchange of gases
3. Lenticles c. Pneumatophores
  1. 1 - b, 2 - a, 3 - c
  2. 1 - c, 2 - a, 3 - b
  3. 1 - c, 2 - b, 3 - a
  4. 1 - a, 2 - c, 3 - b
  5. None of these
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