Biology ICSE Class 6 Important Questions Chapter 6 Soil
Extra Questions
Question 1.
Define pedology.
Answer:
The science which deals with the study of soil (which includes studing of how different kinds of soil are formed and what they are made from) is called pedology.
Question 2.
What is soil ?
Answer:
Soil is the naturally occurring, uppermost layer of the earth formed from weathering of rocks and decaying plant and animal matter.
Question 3.
What gives colour to the Red soil ?
Answer:
Red soil is red in colour due to die presence of high percentage of red iron oxide in it.
Question 4.
Which soil is best suited for growing cotton ?
Answer:
Black soil.
Question 5.
What is hydroponics ?
Answer:
The cultivation of plants without soil, in sacs of water and minerals is called hydroponics.
Question 6.
Which soil has the maximum water-retaining capacity ?
Answer:
Clayey soil.
Question 7.
Which soil has the least water-retaining capacity ?
Answer:
Sandy soil.
ICSE Class 6 Biology Important Questions