Question

Which Of The Following Statements is Incorrect? *


[A]. Freshly harvested grains must be dried before storing.

[B]. Rhizobium present in root nodules of leguminous plants to fix nitrogen.

[C]. All crop plants need transplantation.

[D]. None of the above.

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Answer 1

Answer:

Materials of biological origin which are commonly used to maintain and improve soil fertility are called biofertilizers. There are grouped into two main categories- 1. manures and 2. biofertilizers. Bioinsecticides are generally used to kill the pest affecting the crops. It is not involved to improve the soil fertility.

So, the correct answer is option D.

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