EASY
4th Tamil Nadu Board
IMPORTANT
Earn 100

Choose the correct answer.

Root nodules of some plants contain _____.

50% studentsanswered this correctly

Important Questions on Air We Breathe

EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 4

Choose the correct answer.

The major cause of air pollution is _____.

EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 1

Who am I?

I am a mixture of gases.

EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 2

Who am I?

I give you oxygen. (It is a three-letter word that starts with the letter 'A')

EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 3

Who am I?

I am not the supporter of burning. (We exhale this gas during respiration)

EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 4

Who am I?

You can help me to decrease pollution by riding on me.

EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 1
Plants need nitrogen for their growth.
EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 2
Air is made up of oxygen only.
EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 3
The gas used for burning things is Argon.