EASY
9th ICSE
IMPORTANT
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What are the end products of anaerobic respiration in plants?

Important Questions on Respiratory System

EASY
9th ICSE
IMPORTANT
All In One ICSE Biology>Chapter 12 - Respiratory System>Chapter Exercise (MCQ)>Q 1
Site of aerobic respiration in higher organisms is/are
EASY
9th ICSE
IMPORTANT
All In One ICSE Biology>Chapter 12 - Respiratory System>Chapter Exercise (MCQ)>Q 2
During expiration, the diaphragm becomes
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Biology>Chapter 12 - Respiratory System>Chapter Exercise (MCQ)>Q 3
A person breathes in some volume of air by forced inspiration after having a forced expiration. The quantity of air taken in is
EASY
9th ICSE
IMPORTANT
All In One ICSE Biology>Chapter 12 - Respiratory System>Chapter Exercise (MCQ)>Q 4
Which part of the respiratory system has the smallest diameter?
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Biology>Chapter 12 - Respiratory System>Chapter Exercise (MCQ)>Q 5
Process of exchange of O2 from the atmosphere with __A__ produced by the cells is called __B__ which is commonly known as __C__
Choose appropriate options for the blanks A, B and C to complete the given statement.
EASY
9th ICSE
IMPORTANT
All In One ICSE Biology>Chapter 12 - Respiratory System>Chapter Exercise (True or false)>Q 7
Alcohol is produced during fermentation.
EASY
9th ICSE
IMPORTANT
All In One ICSE Biology>Chapter 12 - Respiratory System>Chapter Exercise (True or false)>Q 7
Lactic acid is produced as an end product of anaerobic respiration in humans.
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Biology>Chapter 12 - Respiratory System>Chapter Exercise (True or false)>Q 7
During ingestion of food, epiglottis remains closed.