Energy and Its ...

Soil is the most important natural resource. In addition to water and air, which of the following is/are present in the soil?

__________, an important component, is present in the top layer of the soil that determines the soil fertility.

The vertical section shows different layers of soil. These layers are the horizons. Where is the horizon E found?

The breaking down of rocks into mineral matter is referred to as

Good fertile soil has pH ranging between _________.

__________ soil retains very little water.

Ramesh is planning to develop a garden. Which of the following soil layers should he spread before plantation?

The soil having the highest water retention capacity is __________ soil.

What is a soil horizon?

A man was digging the soil and suddenly his spade got stuck and touched something very hard. He could not dig further. Which soil layer did his spade touch?

For good growth of lentils and pulses, ___________ is required.

Potters use _________ soil to make pots.

In a sample of soil, the proportion of sand, silt and clay tells us about _________.

Loamy soil is a mixture of

Cotton is grown in ___________ soil.