Respiration In Organisms Mock Tests

33 questions available

Respiration In Organisms Mock Test 1

Questions: 30

Respiration In Organisms Mock Test 2

Questions: 3

Sample Questions

Class 7 Science

At the end of exhalation in humans, which gas has the highest concentration in the air being expelled?

A Carbon dioxide (more than inhaled air)

B Oxygen

C Nitrogen only

D Hydrogen

Class 6 Science

During inhalation, the diaphragm:

A Relaxes and moves upward

B Contracts and moves downward

C Remains stationary

D Contracts and moves upward

Class 7 Science

Where does gas exchange occur in the human lungs?

A Trachea

B Bronchi

C Alveoli

D Larynx

Class 7 Science

What do insects use to take in oxygen from the air?

A Gills

B Lungs

C Tracheal tubes

D Skin

Class 7 Science

The process of taking in oxygen and releasing carbon dioxide is called:

A Photosynthesis

B Respiration

C Transpiration

D Digestion

Class 7 Science

The process of taking in oxygen and releasing carbon dioxide is called:

A Digestion

B Respiration

C Excretion

D Transportation

Class 7 Science

Which organism breathes through its moist skin?

A Fish

B Frog

C Bird

D Lizard

Class 7 Science

Where does gas exchange take place in the human body?

A Trachea

B Windpipe

C Alveoli

D Bronchi

Comments

No comments yet. Be the first to share your thoughts!