EXERCISE

Author:Geetha Iyer

Geetha Iyer Science Solutions for EXERCISE

Simple step-by-step solutions to EXERCISE questions of Respiration in Organisms from Science Now 7. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISE with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 9 - Respiration in Organisms>EXERCISE>Q C

The muscles in the body can function well even when there is not enough supply of oxygen to the muscle cells.

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 9 - Respiration in Organisms>EXERCISE>Q C

Every alveolus is surrounded by tiny blood vessels called capillaries.

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 9 - Respiration in Organisms>EXERCISE>Q C

During inhalation, the volume of the chest cavity increases.

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 9 - Respiration in Organisms>EXERCISE>Q C

Not all organisms need to respire to get energy from food.

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 9 - Respiration in Organisms>EXERCISE>Q C

Every cell releases energy even when food is not broken down.

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 9 - Respiration in Organisms>EXERCISE>Q G

Why do we choke and cough sometimes when we swallow food?

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 9 - Respiration in Organisms>EXERCISE>Q G

Can you guess what would happen if a potted plant having underground roots is overwatered?

HARD
7th CBSE
IMPORTANT
Science Now 7>Chapter 9 - Respiration in Organisms>EXERCISE>Q H

Label the parts involved in respiration.
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