Free Breathing And Exchange Of Gases (Daily Quiz: 1) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Choose the right sequential phenomena during the passage of $CO_2$ from blood to tissues:

1. Absorption of $CO_2$ by blood.
2. Reaction of $CO_2$ with water forming H2 CO3 inside RBCs and then HCO3 - and H+ ions.
3. Reaction of $CO_2$ with water forming H2 CO3 inside plasma followed by conversion into H+ and HCO3 - ions.
4. Combination of H+ with haeme part of Hb$O_2$ to release $O_2$ .
5. Combination of HCO3 with haeme part of Hb$O_2$ to form reduced haemoglobin and release of $O_2$ .

(a) A, B, E

(b) A, C, D

(c) A, B, D

(d) A, C, E

Question-2

Which of the following enzymes is absent in mitochondria?

(a) Malic dehydrogenase

(b) Hexokinase

(c) Aconitase

(d) None of these

Question-3

The nose produces ____________ to put moisture in the air and catch dust and bacteria.

(a) bronchi

(b) mucus

(c) cilia

(d) oxygen

Question-4

Match the following and mark the correct options.

Animal	Respiratory Organ
(A) Earthworm	(i) Moist cuticle
(B) Aquatic Arthropods	(ii) Gills
(C) Fishes	(iii) Lungs
(D) Birds/Reptiles	(iv) Trachea

(a) (A)–(ii), (B)–(iv), (C)–(i), (D)–(iii)

(b) (A)–(ii), (B)–(i), (C)–(iv), (D)–(iii)

(c) (A)–(i), (B)–(iii), (C)–(ii), (D)–(iv)

(d) (A)–(i), (B)–(ii), (C)–(iv), (D)–(iii)

Question-5

What is the cause for the movement of oxygen through the alveolar blood capillaries of the lungs?

(a) Partial pressure of $CO_{2}$

(b) Union of $O_{2}$ with haemoglobin

(c) Difference in the $O_{2}$ tension and partial pressure of these chambers

(d) All of the above