Fatty acids are connected with the respiratory pathway through:
1. Acetyl CoA
2. α - Ketoglutaric acid
3. Dihydroxy acetone phosphate
4. Pyruvic acid

Subtopic:  Amphibolic Nature of Respiration |
 81%
From NCERT
NEET - 2023
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How many times decarboxylation occurs during each TCA cycle?
1.Thrice2.Many
3.Once4.Twice
Subtopic:  Kreb's Cycle |
 72%
From NCERT
NEET - 2023
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Match List I with List II 
List I List II
A. Oxidative decarboxylation I. Citrate synthase
B. Glycolysis II. Pyruvate dehydrogenase
C. Oxidative phosphorylation III. Electron transport system
D. Tricarboxylic acid cycle IV. EMP pathway 
Choose the correct answer from the options given below:
Options: A B C D
1. II IV III I
2. III IV II I
3. II IV I III
4. III I II IV
Subtopic:  Aerobic Respiration | Kreb's Cycle |
 71%
From NCERT
NEET - 2023
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Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): ATP is used at two steps in glycolysis .
Reason (R): First ATP is used in converting glucose into glocose-6-phosphate and second ATP is used in conversion of fructose-6-phosphate into fructose-1-6-diphoshate.

In the light of the above statements, choose the correct answer from the options given below :
 
1. (A) is false but (R) is true.
2. Both (A) and (R) are true and (R) is the correct explanation of (A).
3. Both (A) and  (R) are true but (R) is NOT the correct explanation of (A).
4. (A) is true but (R) is false.
Subtopic:  Glycolysis |
 80%
From NCERT
NEET - 2023
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The 5-C compound formed during TCA cycle is :
1. \(\alpha-\)ketoglutaric acid
2. Oxalo succinic acid
3. Succinic acid 
4. Fumaric acid
Subtopic:  Kreb's Cycle |
 87%
From NCERT
NEET - 2022
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The number of time(s) decarboxylation of isocitrate occurs during single TCA cycle is :
1. One
2. Two
3. Three
4. Four
Subtopic:  Kreb's Cycle |
 63%
From NCERT
NEET - 2022
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Identify the cytochrome which acts as a mobile carrier for the transfer of electrons between complex III and IV?

1. Cytochrome a  2. Cytochrome a3 
3. Cytochrome b c 4. Cytochrome c
Subtopic:  ETS |
 76%
From NCERT
NEET - 2022
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Match List-I with List II

List-I List-II
(a) ETS complex-I (i) Cyt bc1
(b) ETS complex-II (ii) Cyt a,a3 and 2 copper centres 
(c) ETS complex-III (iii) NADH dehydrogenase
(d) ETS complex-IV (iv) Ubiquinone and FADH2  dehydrogenase

Choose the correct answer from the options given below:

(a) (b) (c) (d)
1. (ii) (i) (iv) (iii)
2. (iv) (iii) (ii) (i)
3. (iii) (ii) (i) (iv)
4. (iii) (iv) (i) (ii)
Subtopic:  ETS |
 83%
From NCERT
NEET - 2022
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What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?
1. Eight 2. Four
3. Six 4. Two
Subtopic:  Glycolysis |
 65%
From NCERT
NEET - 2022
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What amount of energy is released from glucose during lactic acid fermentation?
1. Less than 7%
2. Approximately 15%
3. More than 18%
4. About 10%
Subtopic:  Fermentation |
 87%
From NCERT
NEET - 2022
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