JOIN ADRE 2.0 Telegram Group

Breathing and Exchange of Gases MCQs | Breathing and Exchange of Gases Multiple Choice Questions (MCQs) with Answers

Questions
1 In mature mammalian erythrocytes the respiration is
A aerobic
B anaerobic
C sometimes aerobic and sometimes anaerobic
D absent

Answer:anaerobic
2 Skin of man cannot act as respiratory organ because
A it is dry
B it is not thin
C it is not permeable to O2 and CO2
D all of these

Answer: all of these
3 Which of the following is not a character of respiratory surface?
A thin,permeable to gases
B extensive
C least vascular
D moist

Answer: least vascular
4 Ring like cartilage of larynx is known as
A thyroid cartilage
B arytenoid cartilage
C cricoid cartilage
D cartilage of santonni

Answer: cricoid cartilage
5 Lungs are enclosed in
A peritoneum
B perichondrium
C pericardium
D pleural membranes

Answer: pleural membranes
6 Which of the following reflex is involved to prevent excessive inflation of lungs?
A stretch reflex
B hering-breuer’s reflex
C withdrawal reflex
D conditioned reflex

Answer: hering-breuer’s reflex
7 The ventilation movements of lungs in mammals are governed by
A muscular walls of lung
B diaphragm
C costal muscles
D both B and C

Answer: both B and C
8 Which of the following is true for aerobic respiration in humans?
A Glucose + water = carbon dioxide + water
B Glucose + oxygen = Carbon dioxide + water
C Glucose = Carbon dioxide + water
D None of the mentioned

Answer:Glucose + oxygen = Carbon dioxide + water
9 Respiration results in ___________
A Release of oxygen
B Anabolism
C Release of carbon dioxide
D Transfer of carbon dioxide

Answer:Release of carbon dioxide
10 During hibernation frogs respire through ________
A Gills
B Lungs
C Tympanum
D Integument

Answer: Integument
11 In which of the following animal respiration occur without any respiration organs?
A Frog
B Fish
C Cockroach
D Earthworm

Answer: Earthworm
12 Fishes respire through skin.
A True
B False

Answer:False
13 The product of glycolysis is ________
A Pyruvate
B Lactic acid
C NADH
D Acetyl coA

Answer: Pyruvate
14 Where in the cell most of the aerobic respiration takes place?
A Mitochondria
B Nucleus
C Ribosome
D Cytoplasm

Answer: Mitochondria
15 Which of the following occurs both in photosynthesis and respiration?
A Krebs cycle
B Glycolysis
C Calvin cycle
D Chemiosmosis

Answer: Krebs cycle
16 Which of the following is true for anaerobic respiration?
A Glucose + lactic acid = carbon dioxide + water
B Glucose= Lactic acid + carbon dioxide
C Glucose gives lactic acid
D None of the mentioned

Answer:Glucose gives lactic acid
17 Catabolic processes ___________
A Make complex molecules
B Break complex molecules
C Occur in autotrophs
D Occur in heterotrophs

Answer: Make complex molecules
18 Respiration is controlled by _________
A Cerebrum
B Cerebellum
C Medulla oblongata
D Hypothalamus

Answer: Medulla oblongata
19 The majority of carbon dioxide produced by the body is transported to lungs _______
A Dissolved in blood
B As carbonates
C As bicarbonates
D Attached to hemoglobin

Answer: As carbonates
20 Which one of the following mammalian cells are not capable of metabolizing glucose to carbon dioxide aerobically?
A RBC
B WBC
C Liver cells
D Unstraited muscle cells

Answer: RBC

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test Start Test!
SSC MTS Mock Test Start Test
IBPS CLERK MOCK TEST Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH) Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi) Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH) Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH) Start Test!
IB Security Assistant Mock test 1 (english) Start Test!
UP POLICE CONSTABLE MOCK TEST 1 Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI) Start Test!
Advertisement
Assam Direct Recruitment Test Series