16.
11
18.
19.
20.
21.
22.
23.

24.
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27.

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2 C 21548

Section B

Answer atleast five questions.

Each question carries 6 marks.

All questions can be attended.
Overall ceiling 30.

Biofertilizer.

Role of microbes in ruminants.
Phosphorus cycle.

Soil fertility test.

Write on any two viral plant diseases.
Symbiotic nitrogen fixation.
Mycorrhiza.

Microbe-animal interactions.

(5 x 6 = 30 marks)
Section C

Answer any two questions.
Each question carries 10 marks.

Explain various factors affecting microbial populations in soil.
Explain on microbe-microbe interactions.

Explain on Biopesticides and their types and significance.
Explain nitrogen cycle.

(2 x 10 = 20 marks)

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