Exercises

Author:Jharkhand Board

Jharkhand Board Science Solutions for Exercises

Simple step-by-step solutions to Exercises questions of Soil from SCIENCE : CLASS VII. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercises with Hints & Solutions

EASY
7th Jharkhand Board
IMPORTANT

Match the items in Column-I with those in column II

Column-I Column-II
(i) A home for living organisms (a) Large particles
(ii) Upper layer of the soil (b) All kinds of soil
(iii) Sandy soil (c) Dark in colour
(iv) Middle layer of the soil (d) Small particle and packed tight
(v) Clayey soil (e) Lesser amount of humus

 

HARD
7th Jharkhand Board
IMPORTANT

Explain how soil is formed.

EASY
7th Jharkhand Board
IMPORTANT

How is clayey soil useful for crops? 

EASY
7th Jharkhand Board
IMPORTANT

List the differences between clayey soil and sandy soil.

HARD
7th Jharkhand Board
IMPORTANT

Sketch the cross section of soil and label the various layers.

HARD
7th Jharkhand Board
IMPORTANT

Razia conducted an experiment in the field related to the rate of percolation. She observed that it took 40 min for 200 mL of water to percolate through the soil sample. Calculate the rate of percolation.

HARD
7th Jharkhand Board
IMPORTANT

Explain how soil pollution and soil erosion could be prevented.

MEDIUM
7th Jharkhand Board
IMPORTANT

Solve the following crossword puzzle with the clues given:

Question Image

 

Across
2. Plantation prevents it.
5. Use should be banned to avoid soil pollution.
6.Type of soil used for making pottery.
7.The living organism in the soil.
Down
1. In the desert, soil erosion occurs through.
3. Clay and loam are suitable for cereals like.
4. This type of soil can hold very little water.
5. The collective name for layers of soil.