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Previous year question hub

Breathing And Exchange Of Gases - Zoology - Biology Previous Year Questions

Practice Breathing And Exchange Of Gases - Zoology - Biology previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

2Papers
2Years
2Questions
1Topics

Breathing And Exchange Of Gases question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Breathing And Exchange Of Gases. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 2 100%

Question type distribution

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

Multiple Choices 2 100%

Subject weightage

Top subjects by unique question coverage.

Biology
2 Qs

Most asked topics

Top topics across the included previous year papers.

Zoology
2 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Breathing And Exchange Of Gases
2 Qs

Paper coverage

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

IAT IISER 2025
1 Qs
IAT IISER 2024
1 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
IAT IISER 202520251View paper
IAT IISER 202420241View paper

All Breathing And Exchange Of Gases previous year questions

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

1
2024 · Biology · Zoology · Breathing And Exchange Of Gases
IAT IISER 2024

Which of the following statements is correct about the oxygen $\left(\mathrm{O}_2\right)$ dissociation curves A and C relative to curve B ?

IAT (IISER) 2024 Biology - Breathing and Exchange of Gases Question 2 English
A
Curve C represents favourable $\mathrm{O}_2$ association with haemoglobin at low $\mathrm{pCO}_2$.
B
Curve A represents favourable $\mathrm{O}_2$ association with haemoglobin at low pH .
C
Curve A represents favourable $\mathrm{O}_2$ association with haemoglobin at low pH .
D
Curve C represents favourable $\mathrm{O}_2$ association with haemoglobin at high $\mathrm{pO}_2$.
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2
2025 · Biology · Zoology · Breathing And Exchange Of Gases
IAT IISER 2025

Which one of the following conditions will favour maximum dissociation of oxygen from the oxyhaemoglobin in the tissues?

A

higher $\left[\mathrm{H}^{+}\right]$; higher temperature

B

higher $\left[\mathrm{H}^{+}\right]$; lower temperature

C

lower $\left[\mathrm{H}^{+}\right]$; higher temperature

D

lower $\left[\mathrm{H}^{+}\right]$; lower temperature

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