Give reasons why we need to breathe.

Important Questions on Human Respiratory System

MEDIUM

6th ICSE

IMPORTANT

ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 2

Give reasons why breathing rate increases during fast physical activities.

MEDIUM

6th ICSE

IMPORTANT

ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 3

Give reasons why we sneeze.

EASY

6th ICSE

IMPORTANT

ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 1

The air we breathe out is rich in oxygen and moisture.

EASY

6th ICSE

IMPORTANT

ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 2

During fast running or heavy exercise, we breathe fast and irregularly.

EASY

6th ICSE

IMPORTANT

ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 3

The trachea has a large surface area for gaseous exchange.

EASY

6th ICSE

IMPORTANT

ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 1

Which of these does not belong to the group?

EASY

6th ICSE

IMPORTANT

ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 2

Which of these does not belong to the group?

EASY

6th ICSE

IMPORTANT

ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 3

Which of these does not belong to the group?