Bird guano contains

A. 7 - 8% P₂O₅

B. 8 - 10% P₂O₅

C. 11 - 14% P₂O₅

D. 20 - 25% P₂O₅

Answer: Option C

Solution(By Examveda Team)

Guano is the accumulated excrement of sea birds and bats. It is a highly effective fertilizer due to its exceptionally high content of nitrogen, phosphate and potassium.
Bird guano has high levels of nutrients like nitrate and ammonium.
It contains about 11 - 14% P₂O₅, 8 - 21% nitrogen, 10% protein, 7% ammonia and 0.5% nitrate.