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Respiration in Plants · Question 3

RE-NEET (UG) 2026MCQEasy📈 Topic in 38% papers+4−1
1

How many molecules of pyruvic acid are produced at the end of glycolysis from 206 molecules of glucose?

  1. 412
  2. 206
  3. 309
  4. 103

Answer

(1) 412

Solution

During glycolysis, 1 molecule of glucose is cleaved into 2 molecules of pyruvic acid.

From 206 molecules of glucose, molecules of pyruvic acid formed = 206 2 = 412.

Answer: (1)

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Keep practising — Respiration in Plants

2

The complex II of mitochondrial electron transport chain is also known as

  1. Cytochrome c oxidase
  2. NADH dehydrogenase
  3. Cytochrome bc1
  4. Succinate dehydrogenase
NEET (UG) 2025
3

Match List I with List II Choose the correct answer from the options given below:

  1. A-I, B-II, C-III, D-IV
  2. A-II, B-I, C-IV, D-III
  3. A-III, B-IV, C-I, D-II
  4. A-IV, B-III, C-II, D-I
NEET (UG) 2024
4

Identify the step in tricarboxylic acid cycle, which does not involve oxidation of substrate.

  1. Malic acid Oxaloacetic acid
  2. Succinic acid Malic acid
  3. Succinyl-CoA Succinic acid
  4. Isocitrate -ketoglutaric acid
NEET (UG) 2024
5

Match List-I with List-II:

  1. A-IV, B-I, C-III, D-II
  2. A-I, B-IV, C-II, D-III
  3. A-III, B-I, C-IV, D-II
  4. A-I, B-II, C-IV, D-III
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6

Which of the following are correct about cellular respiration? Choose the correct answer from the options given below :

  1. A, C, D, E only
  2. A, B, E only
  3. A, B, C, E only
  4. B, C, D, E only
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7

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R: In the light of the above statements, choose the correct answer from the options given below :

  1. Both A and R are true but R is NOT the correct explanation of A.
  2. A is true but R is false.
  3. A is false but R is true.
  4. Both A and R are true and R is the correct explanation of A.
NEET (UG) 2023
8

Match List I with List II: Choose the correct answer from the options given below :

  1. A-II, B-IV, C-I, D-III
  2. A-III, B-I, C-II, D-IV
  3. A-II, B-IV, C-III, D-I
  4. A-III, B-IV, C-II, D-I
NEET (UG) 2023
9

What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?

  1. Four
  2. Six
  3. Two
  4. Eight
NEET (UG) 2022
10

What amount of energy is released from glucose during lactic acid fermentation?

  1. Approximately 15%
  2. More than 18%
  3. About 10%
  4. Less than 7%
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11

The 5-C compound formed during TCA cycle is

  1. Fumaric acid
  2. α-ketoglutaric acid
  3. Oxalosuccinic acid
  4. Succinic acid
NEET (UG) 2022 (Phase 2)

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