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Which of the following is a main compone...

Which of the following is a main component of biogas ?

A

Ammonia

B

Methane

C

Ethane

D

Butane

Text Solution

Verified by Experts

The correct Answer is:
B
Methane
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KUMAR PRAKASHAN-MICROBES IN HUMAN WELFARE -SECTION - F MULTIPLE CHOICE QUESTIONS(MCQS ASKED IN COMPETITIVE EXAM)
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  2. Which fungus is biocontrol agent? (A) Tricoderma (B) Aspergillus ...

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

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

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

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

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

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

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

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

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

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  12. During which process floc is formed ?

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

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  14. BOD is a parameter of.......

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  15. With whom BOD is associated ?

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  16. The main sources of biofertilisers are

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  17. Which is not a proper pair ?

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  18. Which is the characteristic of Bt cotton ? (A) Increases immunity (...

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  19. What is true about Bt toxin ? (A) Bt protein exists as active toxin i...

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  20. Which one is improper pair ? (A) Yeast-Ethanol (B) Penicillium - An...

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