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The most common biofertilizer for rice c...

The most common biofertilizer for rice crop is

A

An aquatic fern, Azolla

B

Trifolium Sp.

C

Sesbania rosteata

D

Bacillus polymer

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The correct Answer is:
A
An aquatic fern, Azolla
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KUMAR PRAKASHAN-MICROBES IN HUMAN WELFARE -SECTION - F MULTIPLE CHOICE QUESTIONS(MCQS ASKED IN COMPETITIVE EXAM)
  1. From given below which sentence is wrong?

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  2. Which one is proper pair?

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  3. The most common biofertilizer for rice crop is

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  4. When there is a decrease in BOD ? (A) When mass of organic matter is ...

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  5. Which fungus is biocontrol agent? (A) Tricoderma (B) Aspergillus ...

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  6. Which of the following is a main component of biogas ?

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  7. Azolla is used as biofertilizer because it. (A) multiplies very fast ...

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  8. Bio-pesticides are (A) The chemicals which are used to destroy the pe...

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  9. From which living organism penicillin is produced ? (A) Fungus (B) ...

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  10. Which virus is responsible for biotic control of insects and arthropod...

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  11. In biogas plants one of these will be essential: (A) Azolla (B) Rhi...

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  12. How flocks are made ? (A) By aerobic bacteria and filaments of fungi....

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  13. Milk is spoiled or fermented by (A) Rhizobium (B) Lactobacillus (...

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  14. Quantum 4000 is effective pest for cereals and vegetable crops is prep...

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  15. During which process floc is formed ?

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  16. From which of the following is citric acid is obtained ?

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  17. BOD is a parameter of.......

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  18. With whom BOD is associated ?

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  19. The main sources of biofertilisers are

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  20. Which is not a proper pair ?

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