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Respiration in Plants and Animals

Description: Respiration in Plants and Animals
Number of Questions: 7
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Tags: Respiration in Plants and Animals Respiration in Animals Life Processes in Plants
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Which of the following is not formed during anaerobic respiration?

  1. Acetyl CoA

  2. Pyruvate

  3. Ethyl alcohol

  4. CO2


Correct Option: A
Explanation:

Acetyl CoA is not formed during anaerobic respiration. 

Which of the following are called the breathing roots?

  1. Pneumatophores

  2. Rhizoids

  3. Stomata

  4. Lenticels


Correct Option: A
Explanation:

Pneumatophores are also called the breathing roots.

Which of the following is formed along with ATP in glycolysis?

  1. NADH

  2. NADPH

  3. FAD

  4. FADH2


Correct Option: A
Explanation:

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Which of the following prevents entry of food in the wind pipe?

  1. Glottis

  2. Epiglottis

  3. Larynx

  4. Pharynx


Correct Option: B
Explanation:

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Contraction of the external intercostal muscles brings about

  1. decrease in volume of thoracic cavity

  2. increase in volume of thoracic cavity

  3. no change in volume of thoracic cavity 

  4. flattening of the diaphragm


Correct Option: B
Explanation:

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Which of the following cells do not respire?

  1. Epidermal cells

  2. Sieve cells

  3. Cortical cells

  4. Erythrocytes


Correct Option: D
Explanation:

Erythrocytes or RBCs do not have their own mitochondria and nucleus. So, they do not respire.

Respiratory quotient is defined as

  1. ratio of volume of oxygen consumed to the volume of CO2 evolved

  2. ratio of volume of CO2 evolved to the volume of oxygen consumed

  3. ratio of the amounts of products to the amounts of substrate

  4. none of the above


Correct Option: B
Explanation:

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