Which of these is a fertiliser?
AStraw
BUrea
CNeem
DChaff
Answer & Solution
Correct answer: B. Urea
1. Fertilisers are rich in nitrogen, phosphorus and potassium.
2. They are made in factories, unlike manure.
3. Urea, ammonium sulphate and potash are fertilisers.
4. So the answer is urea.
_Source: NCERT Class 8 Science, Ch 1 'Crop Production and Management'_
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