EASY
3rd CBSE
IMPORTANT
Earn 100

How are rocks useful for us? Give some examples.

Important Questions on Soil and Rocks

EASY
3rd CBSE
IMPORTANT
EXPANDED Universal Science 3>Chapter 12 - Soil and Rocks>ASSESSMENT ZONE>Q C
Manure is not obtained from animal dung.
EASY
3rd CBSE
IMPORTANT
EXPANDED Universal Science 3>Chapter 12 - Soil and Rocks>ASSESSMENT ZONE>Q C
Soil can be protected by planting more trees.
EASY
3rd CBSE
IMPORTANT
EXPANDED Universal Science 3>Chapter 12 - Soil and Rocks>ASSESSMENT ZONE>Q E
Why do farmers add cow dung to the soil?
EASY
3rd CBSE
IMPORTANT
EXPANDED Universal Science 3>Chapter 12 - Soil and Rocks>ASSESSMENT ZONE>Q E

Differentiate between the following:

Manure and humus. 

EASY
3rd CBSE
IMPORTANT
EXPANDED Universal Science 3>Chapter 12 - Soil and Rocks>ASSESSMENT ZONE>Q E
Why is it important to plant trees?
EASY
3rd CBSE
IMPORTANT
EXPANDED Universal Science 3>Chapter 12 - Soil and Rocks>ASSESSMENT ZONE>Q E
Raju and Naresh were playing at the seashore. They collected some soil from there and went to a potter. They asked him to make some toys from the soil for them. But, the potter said that he could not make earthen toys from that soil. Can you explain why?