Question

Consider the following pairs:(i) Land Use – Prevent soil erosion(ii) Humus – Land suitable for agriculture(iii) Rock dams – Productive use of land(iv) Arable land – Organic matter deposited on top soil. Choose the correct option: (a) (i), (iii) and (iv) (b) (i) and (iii) (c) (ii) and (iv) (d) None of the above

Answer 1

Answer:

Answer: A- 3; B- 4; C- 1; D- 2

Explanation:

Land use: Land is used for different purposes such as agriculture, forestry, mining, building houses, roads and setting up of industries. This is known as land use.

Humus: Humus is defined as black organic matter formed in soil due to the decay of dead plant and animal matter.

Rock dams: These are the artificial embankments created by constructing mould of soil, clay, sand and rock. Main function is to prevent floods and soil erosion

Arable land: It is the land suitable for agriculture.