Mukul Sahgal and A C Sahgal Solutions for Exercise 3: EXERCISES

Author:Mukul Sahgal & A C Sahgal

Mukul Sahgal Science Solutions for Exercise - Mukul Sahgal and A C Sahgal Solutions for Exercise 3: EXERCISES

Attempt the practice questions from Exercise 3: EXERCISES with hints and solutions to strengthen your understanding. Living Science 7 solutions are prepared by Experienced Embibe Experts.

Questions from Mukul Sahgal and A C Sahgal Solutions for Exercise 3: EXERCISES with Hints & Solutions

EASY
7th CBSE
IMPORTANT

Which absorbs more water-sandy soil or clay?
 

EASY
7th CBSE
IMPORTANT

In general, which is the best topsoil for growing plants?
 

EASY
7th CBSE
IMPORTANT

Is soil a natural resource?
 

MEDIUM
7th CBSE
IMPORTANT

Soil is constantly formed by weathering of rocks. Why then are we so concerned about soil erosion?
 

MEDIUM
7th CBSE
IMPORTANT

Why does topsoil have much more humus than subsoil?
 

MEDIUM
7th CBSE
IMPORTANT

What kind of soil is most suitable for making toys and why?
 

MEDIUM
7th CBSE
IMPORTANT

Question Image

This is a picture of the Grand Canyon in USA. Between the gorge, flows the Colorado River. The gorge has been formed by weathering of rocks over millions of years. What do you think is the cause of the weathering?

MEDIUM
7th CBSE
IMPORTANT

Rahul has a kitchen garden at home. He has built a compost bin in the garden and dumps all the biodegradable garbage from his home into it. He uses the manure formed for his garden. What value does Rahul show?