Tag: soil pollution and its effects
Questions Related to soil pollution and its effects
Which of the following soils is suitable for cultivation of almost all kinds of crops?
Soil is losing its fertility due to increased use of _________.
India is an agricultural country and possesses fertile plains and numerous perennial rivers. About 72 per cent of its population resides in the rural areas. Nearly 70 per cent of the people are dependent on agriculture. About three-fourths of the cultivated land of India is used for food production because.
Which of the following is a human input for agriculture?
The most fertile soil of India is __________.
The soils which have supported agriculture for centuries without much manuring or fallowing are _____________.
Black soils are ideal for cultivation of cotton because ______________.
Which of the following soil is the most fertile?
Fragmentation, leaching and catabolism are some of the important steps of decomposition. Study the following statements [(i), (ii) and (iii) regarding these and select the correct option.
(i) Detritivores(e.g., earthworm) breakdown detritus into smaller particles.
(ii) Water soluble inorganic nutrients go down into soil horizon and get precipitated as unavailable salts.
(iii) Decomposes(e.g., bacteria and fungi) secrete digestive enzymes and degrade detritus into simpler inorganic substances.
Which of the following enhances soil fertility?