EASY
9th ICSE
IMPORTANT
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The voice box or larynx is popularly called . (bronchi/Adam's apple)

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Important Questions on Respiratory System

EASY
9th ICSE
IMPORTANT
A New Approach to I.C.S.E. Biology>Chapter 16 - Respiratory System>Test Yourself>Fill in the blanks
_____ pigment present in blood helps in transport of CO2, and O2. (Chlorophyll/Haemoglobin)
EASY
9th ICSE
IMPORTANT
A New Approach to I.C.S.E. Biology>Chapter 16 - Respiratory System>Test Yourself>Fill in the blanks
Each bronchiole leads into a thin-walled air sac called _____. (alveolus/nuerons)
EASY
9th ICSE
IMPORTANT
A New Approach to I.C.S.E. Biology>Chapter 16 - Respiratory System>Test Yourself>Fill in the blanks
_____ gas content of inhaled and exhaled air is same. (Nitrogen/Hydrogen)
EASY
9th ICSE
IMPORTANT
A New Approach to I.C.S.E. Biology>Chapter 16 - Respiratory System>Test Yourself>Fill in the blanks
The exchange of gases takes place in the _____ of lungs. (ribs/alveoli)
EASY
9th ICSE
IMPORTANT
A New Approach to I.C.S.E. Biology>Chapter 16 - Respiratory System>Test Yourself>Fill in the blanks
The lungs are located in the _____ cavity. (thoracic/skull)
EASY
9th ICSE
IMPORTANT
A New Approach to I.C.S.E. Biology>Chapter 16 - Respiratory System>Test Yourself>Fill in the blanks
Among inhaled and exhaled air, CO2, content is less in _____. (inhalation/exhalation)
EASY
9th ICSE
IMPORTANT
A New Approach to I.C.S.E. Biology>Chapter 16 - Respiratory System>Exercises>Q 1
Which of the following organisms exhibits direct respiration?
EASY
9th ICSE
IMPORTANT
A New Approach to I.C.S.E. Biology>Chapter 16 - Respiratory System>Exercises>Q 1
Which pigment present in the blood helps in the transport of carbon dioxide and oxygen?