Biology Mechanism Breathing 1 Online Exam Quiz
Biology Mechanism Breathing 1 GK Quiz. Question and Answers related to Biology Mechanism Breathing 1. MCQ (Multiple Choice Questions with answers about Biology Mechanism Breathing 1
The amount of air inspired or expired during normal breathing is_________ ml.
Options
A : 500
B : 500-1000
C : 1000-1100
D : 2100
Which muscles can help in increasing the strength of breathing?
Options
A : Arm muscle
B : Chest muscles
C : Abdominal muscles
D : Facial muscle
Which one of the following changes takes place during inspiration?
Options
A : Decrease in thoracic cavity
B : Relaxation in diaphragm
C : Relaxation in external intercostal muscles
D : Sternum moves towards ventral and anterior direction
Decrease in thoracic volume is marked by________
Options
A : diaphragm relaxed
B : diaphragm contracted
C : sternum moving towards ventral and anterior direction
D : ribs moving out
Vital capacity = ________
Options
A : ERV + RV
B : IRV + TV
C : IRV + TV + ERV + RV
D : IRV + ERV + TV
Which of the following is passive process?
Options
A : Inspiration
B : Normal expiration
C : Forceful inspiration
D : Forceful expiration
Time taken in breathing _______
Options
A : inspiration 2 sec and expiration 3 sec
B : inspiration 3 sec and expiration 3 sec
C : inspiration 2 sec and expiration 2 sec
D : inspiration 3 sec and expiration 2 sec
Inspiration occurs when there is ___________
Options
A : no pressure gradient
B : negative pressure in the lungs
C : positive pressure in the lungs
D : more pressure in lungs than atmosphere
At the time of inspiration, _________ takes place.
Options
A : relaxation in external intercostal muscle
B : relaxation in diaphragm
C : contraction in diaphragm
D : no effect on diaphragm
Which instrument is used for measuring volume of air involved in breathing?
Options
A : Spirometer
B : Galvanometer
C : Aerometer
D : Electrocardiogram
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