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Biofertilizers : Class 9 Science MCQ Practice Questions & Answers (Sanskrit) - ObjectiveMcq

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PracticeClass 9 ScienceAgricultureBiofertilizers

Biofertilizers in Class 9 Science : Practice MCQ Questions & Answers with Explanations

1 practice sets · Page 1 of 1

Class 9 ScienceMediumAgricultureBiofertilizersRhizobium

1.

Which of these is an example of biofertilizer?

A

Urea

B

DAP

C

Rhizobium

D

Ammonium nitrate

Correct Answer:

C — Rhizobium

Explanation:

Rhizobium fixes atmospheric nitrogen and improves soil fertility naturally.