Breathing and Respiration / Breathing and Exchange of Gases: MCQs Test – 2 4

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NEET Breathing and Respiration Questions (MCQs) | Online MCQs test on Breathing and Exchange of Gases (Class 11) | Online MCQs Test no. 02

Human Respiratory System: MCQs Quiz - 2

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Question 1
Hemoglobin retains oxygen and releases it in the ______.
A
heart
B
lungs
C
glottis
D
tissues
Question 2
Human nose contains ______ nasal cavities
A
one
B
two
C
three
D
four
Question 3
In the human body which concentration is regulated mainly by the kidneys?
A
bicarbonate
B
carbaminohemoglobin
C
deoxyhemoglobin
D
oxyhemoglobin
Question 4
In which of the following restrictive lung disease the vital capacity is reduced to below normal levels.
A
pneumonia
B
tuberculosis
C
pulmonary fibrosis
D
all of the above
Question 5
In which one of the following do the two names refer to one and the same things?
A
Krebs cycle and Calvin cycle
B
Tricarboxylic acid cycle and citric acid cycle
C
Tricarboxylic acid cycle and urea cycle
D
Citric acid cycle and Calvin cycle
Question 6
Lungs are enclosed by
A
diaphragm
B
pleural membranes
C
bronchiole membranes
D
sternum
Question 7
Number of lobes in both right land left lungs are respectively
A
three, two
B
two, three
C
two, one
D
three, three
Question 8
Rheumatic fever can cause damage
A
Alveoli of the Lungs
B
heart valves
C
heart muscles
D
pleural membranes function
Question 9
The Medullary Respiratory centre is under
A
Nervous control
B
Physical control
C
Chemical Control
D
Electric control
Question 10
The oxygen dissociation curve is shifted to the right by an increase in ______.
A
H+ concentration
B
PCO2
C
temperature
D
All of these
Question 11
The primary muscle of inspiration which forms the floor of the thoracic cavity is ______.
A
pleural membrane
B
sternum
C
ventricle
D
diaphragm
Question 12
The tube that runs from the middle ear to the pharynx
A
epiglottis
B
trachea
C
glottis
D
auditory tubes
Question 13
The tube which leads to the stomach from the throat is
A
esophagus
B
trachea
C
glottis
D
larynx
Question 14
Voice box or ______ is the portion of the respiratory tract which contains the vocal cords for producing sound.
A
trachea
B
glottis
C
larynx
D
epiglottis
Question 15
Which one of the followings is the function of Thoracic cavity?
A
Forms the floor of the thoracic cavity
B
Encloses the lungs
C
Contains the respiratory organs
D
None of these
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4 thoughts on “Breathing and Respiration / Breathing and Exchange of Gases: MCQs Test – 2”

  • Reply ↓
    p. thirumal rao

    q.no. 6 Rheumatic fever cause damage to – Heart valves. It is not related to Respiratory system. & Q.no. 15 Function of thoracic cavity is contraversal.

  • Reply ↓
    zeel

    please check Q.9 the respiratory centres are under nervous control.These are present in the floor of medulla oblongata & pons varolii.