The organic matter present in the soil is known collectively as

(1) Hydrocarbons

(2)Podsols

(3) Humus

(4)Colloids

Which one of the following soils is used for the production of bricks?

(1) Peaty and organic

(2) Saline

(3) Laterite

(4) Red and yellow

Plantation of trees on a large scale to check soil erosion are called:

(1) Shelterbelts

(2) Contour ploughing

(3) Strip cropping

(4) Afforestation

Soil formed by leaching and oxidation is

(1) Black soil

(2) Laterite soi

l (3) Red soil

(4) Montane soil

Soil that is prone to intensive leaching due to rain is called

(1) Laterite

(2) Black

(3) Alluvial

(4) Red

Soil factors are otherwise known as :

(1) Edaphic factors

(2) Biotic factors

(3) Physiographic factors

(4) Climatic factors

A highly specialized form of agriculture in which crops like coffee, tea, and rubber are cultivated refer to

(1) multiple cropping

(2) plantation agriculture

(3) terrace farming

(4) extensive farming

Identify the most infertile amongst the following soils.

(1) Black cotton soil

(2) Alluvial soil

(3) Laterite soil

(4) Peaty soil

Which one of the following pairs is not correctly matched?

(1) Khadar – Zonal soil

(2) Podzol – Zonal soil

(3) Chestnut – Zonal soil

(4) Bhangar – Azonal soil

In a desert region, soil erosion can be checked by

(1) Contour ploughing

(2) Using farm manure

(3) Tree plantation/Afforestaion

(4) Crop rotation

‘Terra Rossa' is a Latin word that means

(1) hot area

(2) red terrain

(3) lateritic region

(4) region near the poles