NEET 2021 | Breathing and Exchange of Gases Question 15 | Biology

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

(A) is false but (R) is true

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)

(A) is true but (R) is false

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

Select the correct events that occur during inspiration.
(i) Contraction of diaphragm
(ii) Contraction of external inter-costal muscles
(iii) Pulmonary volume decreases
(iv) Intra pulmonary pressure increases

Only (iv)

(iii) and (iv)

(i), (ii) and (iv)

(i) and (ii)

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

Identify the wrong statement with reference to transport of oxygen.

Binding of oxygen with haemoglobin is mainly related to partial pressure of O₂

Partial pressure of CO₂ can interfere with O₂ binding with haemoglobin

Higher H⁺ conc. in alveoli favours the formation of oxyhaemoglobin

Low pCO₂ in alveoli favours the formation of oxyhaemoglobin

NEET 2019

MCQ (Single Correct Answer)

-1

Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?

2200 mL

2700 mL

1500 mL

1700 mL

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NEET Subjects

Biology

Botany

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution