These crops increase soil fertility  A) Food 

A) Soil fertility

Correct option is A) Cereals

Correct option is A) acidic

C) 1 – b, 2 – c, 3 – a

Group – A Group – B 1) Soil below pH 7 H) Acidic 2) Soil above pH 7 E) Alkaline 3) Mineralization G) Soil microbes 4) Mycorrhiza A) Symbiosis 5) Biodegradable waste F) Dung 6) Non-biodegradable waste D) Radioactive waste 7) DDT C) Insecticide

Soil Type Characteristics Distribution Forest and mountain soils Differ from region to region depending on climate. Formation - due to mechanical weathering caused by snow, rain, temperature variation Chemical properties - are deficient in potash, phosphorus and lime. Nature...

C) Micro – Arthropoda

C) Both P and Q are correct

(iii) Both assertion and reason are wrong statement.

Alluvial soil.