Frogs respire in water by skin and not buccal cavity and on land by skin, buccal cavity and lungs. Choose the correct answer from the following :

The statement is false for water but true for land

The statement is false for both the environment

The statement is true for water but false for land

The statement is true for both the environment

Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?

High $$\mathrm{pO}_2$$ and Lesser $$\mathrm{H}^{+}$$ concentration

High $$\mathrm{pO}_2$$ and High $$\mathrm{pCO}_2$$

Low $$\mathrm{pCO}_2$$ and High $$\mathrm{H}^{+}$$ concentration

Low $$\mathrm{pCO}_2$$ and High temperature

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : A person goes to high altitude and experiences "Altitude Sickness" with symptoms like breathing difficulty and heart palpitations. Reason (R) : Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen. In the light of the above statements, choose the correct answer from the options given below:

Both (A) and (R) are true and (R) is the correct explanation of (A).

Both (A) and (R) are true but (R) is not the correct explanation of (A).

Which of the following is not a function of the conducting part of the respiratory system?

Provides surface for diffusion of O2 and CO2

It clears inhaled air from foreign particles

Temperature of inhaled air is brought to body temperature

Breathing And Exchange Of Gases — NEET Previous Year Questions

30 solved PYQs · 2016–2026 · Biology

Solved PYQs: 30
Years covered: 2016–2026
Avg / year: ~3
Subject: Biology

How many NEET questions come from Breathing And Exchange Of Gases?

Breathing And Exchange Of Gases has contributed 30 questions to National Eligibility cum Entrance Test (UG) papers between 2016 and 2026 — an average of about 3 questions a year. That count is measured from EByAi’s bank of 46,150 NEET questions, not estimated from a syllabus. Every one of the 30 questions carries a written, step-by-step solution, and each is tagged to Breathing And Exchange Of Gases within Biology, so you can drill this chapter across every year at once instead of hunting through paper PDFs. Practising a chapter’s full PYQ history is the fastest way to learn the patterns examiners reuse.

Sample Breathing And Exchange Of Gases questions from real NEET papers

These are 5 real questions from the bank — exactly as asked, with the answer one tap away. All 30 Breathing And Exchange Of Gases questions (with full written solutions) are available in practice.

Question 1 · NEET 2025
Frogs respire in water by skin and not buccal cavity and on land by skin, buccal cavity and lungs.

Choose the correct answer from the following :
1. (A) $The statement is false for water but true for land$
2. (B) $The statement is false for both the environment$
3. (C) $The statement is true for water but false for land$
4. (D) $The statement is true for both the environment$
Show answerAnswer
$Answer: (A) The statement is false for water but true for land$
Question 2 · NEET 2024
Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?
1. (A) $High pO_{2} and High pCO_{2}$
2. (B) $High pO_{2} and Lesser H^{+} concentration$
3. (C) $Low pCO_{2} and High H^{+} concentration$
4. (D) $Low pCO_{2} and High temperature$
Show answerAnswer
$Answer: (B) High pO_{2} and Lesser H^{+} concentration$
Question 3 · NEET 2023
Given below are two statements: one is labelled as
Assertion (A) and the other is labelled as Reason
(R).

Assertion (A) : A person goes to high altitude and experiences "Altitude Sickness" with symptoms like breathing difficulty and heart palpitations.

Reason (R) : Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen.

In the light of the above statements, choose the
correct answer from the options given below:
1. (A) $(A) is true but (R) is false$
2. (B) $(A) is false but (R) is true$
3. (C) $Both (A) and (R) are true and (R) is the correct explanation of (A).$
4. (D) $Both (A) and (R) are true but (R) is not the correct explanation of (A).$
Show answerAnswer
$Answer: (C) Both (A) and (R) are true and (R) is the correct explanation of (A).$
Question 4 · NEET 2023
Select the sequence of steps in Respiration.

(A) Diffusion of gases (O2 and CO2) across alveolar
membrane.

(B) Diffusion of O2 and CO2 between blood and tissues.

(C) Transport of gases by the blood

(D) Pulmonary ventilation by which atmospheric air
is drawn in and CO2 rich alveolar air is released out.

(E) Utilisation of O2 by the cells for catabolic reactions and resultant release of CO2

Choose the correct answer from the options given
below :
1. (A) $(D), (A), (C), (B), (E)$
2. (B) $(C), (B), (A), (E), (D)$
3. (C) $(B), (C), (E), (D), (A)$
4. (D) $(A), (C), (B), (E), (D)$
Show answerAnswer
$Answer: (A) (D), (A), (C), (B), (E)$
Question 5 · NEET 2022
Which of the following is not a function of the conducting part of the respiratory system?
1. (A) $It clears inhaled air from foreign particles$
2. (B) $Inhaled air is humidified$
3. (C) $Temperature of inhaled air is brought to body temperature$
4. (D) $Provides surface for diffusion of O2 and CO2$
Show answerAnswer
$Answer: (D) Provides surface for diffusion of O2 and CO2$

Breathing And Exchange Of Gases questions by year

Year	Questions	Share of chapter questions
2026	3
2025	1
2024	4
2023	3
2022	4
2021	3
2020	2
2019	1
2018	3
2017	1
2016	5

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FAQs

How many NEET questions have been asked from Breathing And Exchange Of Gases?

EByAi's bank holds 30 real NEET questions from Breathing And Exchange Of Gases, asked between 2016 and 2026 — about 3 per year on average. Every count is measured from actual papers, not estimated.

Is Breathing And Exchange Of Gases important for NEET?

30 questions over 11 papers make Breathing And Exchange Of Gases a steady-weightage chapter in NEET Biology. The year-wise table above shows exactly how often it appears.

Can I solve Breathing And Exchange Of Gases PYQs online for free?

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