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Respiration in Plants

All about plant respiration.

14 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

During oxidation, energy is released by food materials

(a) directly into the cell
(b) in one step
(c) controlled by enzymes
(d) stored as ATP
(e) in series of slow steps

  1. Only (a) and (b)
  2. Only (a), (c) and (d)
  3. Only (c), (d) and (e)
  4. Only (d) and (e)
  5. Only (b) and (e)
Question 2 Multiple Choice (Single Answer)

In which of the following reactions during glycolsis is ATP used?

(a) Conversion of glucose to glucose 6-phosphate
(b) Conversion of BPGA to 3-phosphoglyceric acid
(c) Conversion of fructose 6-phosphate to fructose 1, 6-bisphosphate
(d) Conversion of PEP to pyruvic acid

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

Which of the following are the products of anaerobic respiration?

(a) CO2
(b) 36 ATPs
(c) Lactic acid
(d) H2O
(e) Ethyl alcohol

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

Release of energy during respiration in plants comes from the oxidation of

  1. proteins
  2. glucose
  3. fats
  4. All of the above
Question 5 Multiple Choice (Single Answer)

Which of the following is/are the carrier(s) of electrons in ETS (Electron Transport System)?

  1. Mitochondria
  2. Cytochromes and coenzymes
  3. NADH2
  4. FADH2
  5. ATPs
Question 6 Multiple Choice (Single Answer)

Respiratory pathway is an amphibolic pathway. Which of the following options explain(s) it correctly?

  1. Both inhalation and exhalation are involved.
  2. Both aerobic and anaerobic respiration are involved.
  3. Both anabolic and catabolic processes are involved.
  4. Both oxygen and carbon dioxide are involved.
  5. All of the above
Question 7 Multiple Choice (Single Answer)

In which of the following is respiratory substrate completely oxidised?

  1. Yeast
  2. Bacteria
  3. Muscle cells
  4. Intestinal worms
  5. Plant cell
Question 8 Multiple Choice (Single Answer)

Match the following:

     
1 Lenticel a Lactic acid fermentation
2 Mitochondria b Lactic acid formation
3 Cytoplasm c Respiration
4 Muscle cell d ETS
  1. 1 - c, 2 - d, 3 - b, 4 - a
  2. 1 - c, 2 - d, 3 - a, 4 - b
  3. 1 - d, 2 - c, 3 - a, 4 - b
  4. 1 - b, 2 - d, 3 - a, 4 - c
  5. 1 - c, 2 - a, 3 - d, 4 - b
Question 9 Multiple Choice (Single Answer)

Which of the following is correct regarding the values of respiratory quotient (RQ) in

(a) carbohydrates
(b) proteins
(c) fats
(d) organic acid?

  1. d > a > b > c
  2. a > c > d > b
  3. d > b > a > c
  4. c > a > b > d
  5. c > d > a > b
Question 10 Multiple Choice (Single Answer)

Plants can get along well without any respiratory organs as

  1. each plant part takes care of its own gas-exchange needs
  2. living cells in a plant are superficial
  3. photosynthesis provides them energy
  4. Both (1) and (2)
  5. All (1), (2) and (3)
Question 11 Multiple Choice (Single Answer)

Why is the value of RQ infinity in case of anaerobic respiration?

  1. Because CO2 is not evolved, but O2 is consumed
  2. Because CO2 is evolved, but O2 is not consumed
  3. Because large amount of CO2 is evolved and large amount of O2 is consumed
  4. Because neither CO2 is evolved nor O2 is consumed
  5. None of these
Question 12 Multiple Choice (Single Answer)

Which of the following pairs of enzymes is involved in yeast fermentation?

  1. Lactate dehydrogenase and pyruvic acid decarboxylase
  2. Alcohol dehydrogenase and lactate dehydrogenase
  3. Pyruvic acid decarboxylase and alcohol dehydrogenase
  4. Lactate decarboxylase and pyruvic acid dehydrogenase
  5. None of these
Question 13 Multiple Choice (Single Answer)

The key product produced in glycolysis is handled by different cells in which of the following ways?

  1. By lactic acid fermentation
  2. By alcoholic fermentation
  3. By aerobic respiration
  4. All of the above
Question 14 Multiple Choice (Single Answer)

Which of the following processes occur(s) in mitochondria?

(a) Citric acid cycle
(b) Glycolysis
(c) ETS
(d) Formation of lactic acid

  1. Only (b)
  2. Only (a)
  3. Only (a) and (c)
  4. Only (b) and (d)
  5. All of the above
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