Gujarati
12.Ecosystem
normal

The phosphorus rich fertilizer obtained from sea birds along the coast of Chile and Peru, is

A

Guano

B

Bone meal

C

Dung

D

Urea

Solution

(a)The excess of phosphate in the bodies of animals is excreted out through faces. The bird guano (excreta) contains a large amount of phosphate.

Standard 12
Biology

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