Who elucidated Krebs’ cycle for the very first time?

(1) Frederick Kreb

(2) Hans Kreb

(3) Edward Kreb

(4) Tilman Kreb

Subtopic:  Aerobic Respiration |
 91%
From NCERT
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The order of electron transport is

(1) Complex l- Complex III- Complex IV- Complex V

(2) Complex lI- Complex III- Complex IV- Complex V

(3) Complex l- Complex III- Complex IV

(4) Complex l- Complex II- Complex IV- Complex V

Subtopic:  ETS:1 | ETS |
From NCERT
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Which of the following complex has got one Domain present in matrix and other domain in the inner membrane?

(1) Complex I

(2) Complex II

(3) Complex III

(4) Complex V

Subtopic:  ETS:2 | ETS:1 | ETS |
 67%
From NCERT
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Which of the following is not the assumption considered to finalize the balance sheet of respiration?

(1) There is sequential, orderly pathway functioning with one substrate forming the next and with glycolysis following TCA and Then ETS pathway

(2) The NADH synthesized in Glucolysis is transferred into the mitochondria and undergoes Oxidative Phosphorylation

(3) No anabolism from respiratory intermediates.

(4) Glucose, Proteins and Fats are being respired altogether.

Subtopic:  Fermentation |
 60%
From NCERT
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During Aerobic respiration, one molecule of Glucose gives

(1) A net gain of 38 ATPs

(2) Production of 38 ATPs

(3) Production of 32 ATPs

(4) Production of 36 ATPs

Subtopic:  Aerobic Respiration |
 72%
From NCERT
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Fermentation-

Which of the following is true?

(1) Only partial breakdown of glucose

(2) Net gain of only two molecules of ATP for each molecule of Glucose

(3) NADH is oxidized to NAD+ rather slowly in fermentation

(4) All of these

Subtopic:  Fermentation |
 92%
From NCERT
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Which of the following statements is incorrect?

(1) Glucose is the favoured substrate for respiration

(2) All carbohydrates are usually first converted into glucose before they are used for respiration

(3) Other respiratory substrates are also respired but they do not enter the respiratory pathway at very first step

(4) Fats directly enter the respiratory pathway

Subtopic:  Amphibolic Nature of Respiration |
 88%
From NCERT
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The individual amino acid enter the respiratory pathway at

(1) Within Krebs’ cycle

(2) As Pyruvate or Acetyl CoA

(3) As PGAL

(4) Both A and B

Subtopic:  Amphibolic Nature of Respiration |
 69%
From NCERT
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For the synthesis of Fatty acids, which of the following substrates will be used?

(1) Acetyl CoA

(2) PGAL

(3) BPGA

(4) Pyruvic Acid

Subtopic:  Amphibolic Nature of Respiration |
 90%
From NCERT
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Respiratory Quotient

(1) Some Ratio

(2) Some amount of oxygen

(3) Some amount of carbon dioxide

(4) Cannot be one

Subtopic:  Respiratory Quotient |
 81%
From NCERT
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