Which of the following adds/add nitrogen to the soil? 1. Excretion of urea by animals 2. Burning of coal by man 3. Death of vegetation Select the correct answer using the codes given below.

QUESTION

Medium

Environment & Ecology

Prelims 2013

Which of the following adds/add nitrogen to the soil?

Excretion of urea by animals
Burning of coal by man
Death of vegetation

Select the correct answer using the codes given below.

Select an option to attempt

Explanation

Nitrogenous Waste products of Living organisms such as urea and uric acid and dead remains of organisms are converted back to inorganic ammonia by the bacteria.

Animal Waste like Urea, Uric acid and Death of vegetation add nitrogen in the form of nitrates directly into the soil.
Coal combustion adds nitrogen to the atmosphere and from there it falls back to earth in the form of acid rain and acid rain adds nitrogen to the soil.

Trusted by 2L aspirants