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Cellular Respiration

cellular respiration

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Krebs cycle takes place in

  1. chloroplast
  2. ribosome
  3. mitochondria
  4. endoplasmic reticulum
  5. cytosol
Question 2 Multiple Choice (Single Answer)

During anaerobic respiration_________.

  1. water and the carbon dioxide are the end products
  2. carbon dioxide and ethyl alcohol are the end products
  3. carbon dioxide and pyruvic acid are the end products
  4. oxygen and water are the end products
  5. only pyruvic acid is formed
Question 3 Multiple Choice (Single Answer)

Krebs cycle starts with the formation of a 6 carbon atom by chemical reaction between

  1. malic acid and acetyl coenzyme A
  2. oxaloacetic acid and acetyl coenzyme A
  3. fumaric acid and pyruvic acid
  4. succinic acid and acetyl coenzyme A
  5. succinic acid and fumaric acid
Question 4 Multiple Choice (Single Answer)

Respiration involves _______________.

  1. transformation of potential energy into kinetic energy
  2. breakdown of complex organic substances into simple substances
  3. liberation of energy
  4. all the above are correct
  5. all the above are false
Question 5 Multiple Choice (Single Answer)

Respiration is considered as a ________.

  1. catabolic process
  2. anabolic process
  3. reduction process
  4. synthetic process
  5. metabolic process
Question 6 Multiple Choice (Single Answer)

What is the value of RQ when organic acids are the respiratory materials?

  1. 1
  2. More than 1
  3. Less than 1
  4. Anything can be correct
  5. None of the above
Question 7 Multiple Choice (Single Answer)

The first important reaction in the process of respiration is_________.

  1. glycolysis
  2. photolysis
  3. krebs cycle
  4. fermentation
  5. break down of pyruvic acid into acetyl coenzyme A
Question 8 Multiple Choice (Single Answer)

Which of the following is a universal hydrogen acceptor?

  1. NAD
  2. ATP
  3. Coenzyme A
  4. TPP
  5. Lipoic acid
Question 9 Multiple Choice (Single Answer)

Carbon dioxide produced is more than oxygen absorbed when

  1. sucrose is used in respiration.
  2. glucose is used in respiration.
  3. organic acid is used in respiration.
  4. fat is used in respiration.
  5. oil is used in respiration.
Question 10 Multiple Choice (Single Answer)

In a ripe banana, rate of respiratory increase is called

  1. climacteric
  2. photorespiration
  3. climax
  4. anthesis
  5. oxidative phosphorylation
Question 11 Multiple Choice (Single Answer)

R.Q. in anaerobic respiration is

  1. 0.7
  2. 0.9
  3. Unity
  4. Infinite
  5. More than unity
Question 12 Multiple Choice (Single Answer)

Which of the following phenomena takes place in mitochondria?

  1. Oxidative phosphorylation.
  2. Photolysis.
  3. Phtophosphorylation.
  4. Glycolysis.
  5. Photorespiration.
Question 13 Multiple Choice (Single Answer)

What is being utilized in krebs cycle?

  1. Pyruvic acid
  2. Acetyl coA
  3. Oxaloacetate
  4. Both acetyl coA and oxaloacetate
  5. NAD
Question 14 Multiple Choice (Single Answer)

Respiratory quotient

  1. varies according to the respiratory material
  2. is not variable
  3. same for all substances
  4. varies according to the color of respirable materials
  5. all the above are correct
Question 15 Multiple Choice (Single Answer)

RQ is represented as

  1. oxygen / carbon dioxide
  2. Carbon dioxide / oxygen
  3. Oxygen taken in
  4. P1V1 = P2V2
  5. Carbon dioxide evolved
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