Nutrients are added to the soil by
A) Rotating crops
B) Organic manure
C) Chemical fertilizers
D) All of the above
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In an interspecific a filamentous eukaryotic organism absorbs nutrients from the soil for the higher plant. In turn the host provides some energy yiel
Correct Answer - Mycorrhiza
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During 1991-2001 there were 67 million people added in the urban population, 40 million were added due to natural growth.
Correct option is B) 60%
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The nutrients which help in growth and regeneration of body tissues are
Correct option is D) proteins
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Crops that take lot of nutrients from the soil are
Correct option is A) Cereals
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If the pH level of soil is below 7 then the soil is
Correct option is A) acidic
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Identify the correct matching from the following. List – A 1) Soil below pH7 2) Soil above pH7
C) 1 – b, 2 – c, 3 – a
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Match the following: Group – A 1) Soil below pH 7 2) Soil above pH 7
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
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In grafting the plant part which supplies% nutrients from soil is called
Answer is (C) Stock
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state any five types of soil in India and explain the characteristics and distribution of soil?
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...
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The soil found in Northern Great Plains and coastal plains Red soil Alluvial soil Black soil Laterite soil
Alluvial soil.
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