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Respiration in Plants and Animals

Respiration in Plants and Animals

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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is not formed during anaerobic respiration?

  1. Acetyl CoA
  2. Pyruvate
  3. Ethyl alcohol
  4. CO2
Question 2 Multiple Choice (Single Answer)

Which of the following are called the breathing roots?

  1. Pneumatophores
  2. Rhizoids
  3. Stomata
  4. Lenticels
Question 3 Multiple Choice (Single Answer)

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

  1. NADH
  2. NADPH
  3. FAD
  4. FADH2
Question 4 Multiple Choice (Single Answer)

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

  1. Glottis
  2. Epiglottis
  3. Larynx
  4. Pharynx
Question 5 Multiple Choice (Single Answer)

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
Question 6 Multiple Choice (Single Answer)

Which of the following cells do not respire?

  1. Epidermal cells
  2. Sieve cells
  3. Cortical cells
  4. Erythrocytes
Question 7 Multiple Choice (Single Answer)

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
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