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Previous year question hub

Respiration In Plants - Botany - Biology Previous Year Questions

Practice Respiration In Plants - Botany - Biology previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

4Papers
2Years
18Questions
1Topics

Respiration In Plants question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Respiration In Plants. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 18 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 18 100%

Subject weightage

Top subjects by unique question coverage.

Biology
18 Qs

Most asked topics

Top topics across the included previous year papers.

Botany
18 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Respiration In Plants
18 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

MHT CET (PCB) 2025 9th April Evening Shift
5 Qs
MHT CET (PCB) 2025 9th April Morning Shift
5 Qs
MHT CET (PCB) 2024 22th April Evening Shift
4 Qs
MHT CET (PCB) 2024 22th April Morning Shift
4 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
MHT CET (PCB) 2025 9th April Evening Shift20255View paper
MHT CET (PCB) 2025 9th April Morning Shift20255View paper
MHT CET (PCB) 2024 22th April Evening Shift20244View paper
MHT CET (PCB) 2024 22th April Morning Shift20244View paper

All Respiration In Plants previous year questions

Practice every matching question in batches of 20, with every available option.

1
2024 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2024 22th April Evening Shift

How many phosphorylation reactions occur for formation of fructose 1,6 biphosphate during the preparatory phase of glycolysis?

A
One
B
Two
C
Three
D
Four
Open complete paper
2
2024 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2024 22th April Evening Shift
Which of the following reaction occurs during conversion of $\alpha$-ketoglutarate $\rightarrow$ Succinyl Co-A?
A
Decarboxylation
B
Oxidative decarboxylation
C
Phosphorylation
D
Oxidative phosphorylation
Open complete paper
3
2024 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2024 22th April Evening Shift

How many $\mathrm{CO}_2$ molecules are released after oxidation of one acetyl CoA in Krebs cycle?

A
One
B
Two
C
Three
D
Four
Open complete paper
4
2024 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2024 22th April Evening Shift

The final electron acceptor in ETS of cellular respiration is

A
Hydrogen
B
water
C
molecular oxygen
D
Cyt. a. a3
Open complete paper
5
2024 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2024 22th April Morning Shift

The only 5C intermediate formed during reactions of TCA cycle is __________

A
Oxalosuccinic acid
B
$\alpha$-ketoglutarate
C
Succinyl CoA
D
Cis - Aconitate
Open complete paper
6
2024 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2024 22th April Morning Shift

Given below are two statements:

Statement I - Reactions involved in Krebs cycle are anabolic and catabolic.

Statement II - During oxidation of acetyl Co-A, stepwise oxidation of acetyl part of acetyl Co-A occurs.

In light of above statements, choose the most appropriate answer from the option given below.

A
Both statement I and statement II are correct.
B
Both statement I and statement II are incorrect.
C
Statement I is correct and statement II is incorrect.
D
Statement I is incorrect and statement II is correct.
Open complete paper
7
2024 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2024 22th April Morning Shift

The number of ATP molecules generated in aerobic respiration after oxidation of two molecules of pyruvic acid is.

A
6
B
12
C
24
D
30
Open complete paper
8
2024 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2024 22th April Morning Shift

The number of reduced coenzymes $\mathrm{NADH}+\mathrm{H}^{+}$ formed during complete oxidation of one molecule of glucose.

A
2
B
8
C
10
D
12
Open complete paper
9
2025 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2025 9th April Evening Shift

Which one of the following is the activator for enzyme enolase in glycolysis?

A

$\mathrm{Mn}^{++}$

B

$\mathrm{Mg}^{++}$

C

$\mathrm{Ca}^{++}$

D

$\mathrm{Zn}^{++}$

Open complete paper
10
2025 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2025 9th April Evening Shift

Which one of the following occurs during glycolysis?

A

Oxidative carboxylation

B

Oxidative phosphorylation

C

Decarboxylation

D

Substrate level phosphorylation

Open complete paper
11
2025 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2025 9th April Evening Shift

Which one of the following is a correct statement?

A

There is complete breakdown of glucose in fermentation.

B

Pyruvic acid is formed in the mitochondrial matrix during respiration.

C

Enzyme enolase catalyse the conversion of 2-phosphoglycerate to 2phosphoenolpyruvate.

D

Fructose - 6 - phosphate is converted to fructose 1,6 diphosphate by enzyme isomerase.

Open complete paper
12
2025 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2025 9th April Evening Shift

Given below are two statements.

Statement I - F 1 part of oxysome catalyse the synthesis of ATP from ADP

Statement II - Protons are channeled from outer chamber of mitochondria into inner chamber by $\mathrm{F}_0$ part of oxysome.

In the light of above statements, select the correct option given below:

A

Both statement I and statement II are correct.

B

Both statement I and statement II are incorrect.

C

Statement I is correct but statement II is incorrect.

D

Statement I is incorrect but statement II is correct.

Open complete paper
13
2025 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2025 9th April Evening Shift

During aerobic respiration, out of 38 ATP molecules produced from one glucose, how many ATP molecules are formed through ETS?

A

10

B

22

C

24

D

34

Open complete paper
14
2025 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2025 9th April Morning Shift

Total number of ATP molecules formed by substrate level phosphorylation in complete oxidation of one glucose molecule are ___________.

A

2

B

4

C

6

D

8

Open complete paper
15
2025 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2025 9th April Morning Shift

In Glycolysis, which one of the following conversion shows ATP formation?

A
Glucose- 6 - phosphate $\rightarrow$ Fructose - 6 phosphate
B
3-PGA $\rightarrow$ 2-PGA
C
Phosphoenol pyruvate $\rightarrow$ Pyruvate
D
2 - PGA $\rightarrow 2$ - Phosphoenol pyruvate
Open complete paper
16
2025 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2025 9th April Morning Shift

Which one of the following enters mitochondrial matrix after glycolysis?

A

Glucose

B

Pyruvic acid

C

Acetyl CoA

D

Oxaloacetic acid

Open complete paper
17
2025 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2025 9th April Morning Shift

Given below are two statements.

Statement I - Glycolysis occurs in cytoplasm of the cell.

Statement II - Glycolysis is a common process in aerobic as well as anaerobic respiration.

In the light of above statements, select the correct option given below:

A

Both statement I and statement II are correct.

B

Both statement I and statement II are incorrect.

C

Statement I is correct but statement II is incorrect.

D

Statement I is incorrect but statement II is correct.

Open complete paper
18
2025 · Biology · Botany · Respiration In Plants
MHT CET (PCB) 2025 9th April Morning Shift

How many times dehydrogenation occurs during Krebs cycle?

A

One

B

Two

C

Three

D

Four

Open complete paper