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In biogas plants one of these will be es...

In biogas plants one of these will be essential:
(A) Azolla
(B) Rhizobium
(C) Eichhornia
(D) Methanobacteria

A

Azolla

B

Rhizobium

C

Euchornia

D

Methanobacteria

Text Solution

Verified by Experts

The correct Answer is:
D
Methanobacteria
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KUMAR PRAKASHAN-MICROBES IN HUMAN WELFARE -SECTION - F MULTIPLE CHOICE QUESTIONS(MCQS ASKED IN COMPETITIVE EXAM)
  1. From which living organism penicillin is produced ? (A) Fungus (B) ...

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

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

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

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

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

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  7. During which process floc is formed ?

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

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  9. BOD is a parameter of.......

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  10. With whom BOD is associated ?

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  11. The main sources of biofertilisers are

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  12. Which is not a proper pair ?

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

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

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

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  16. Find a true statement from the given below. (a) Biogas is formed b...

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  17. Which sentence is true for nitrogen fixation ?

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  18. Who provides energy and light both ? (A) Petro crop (B) Biogas (C...

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  19. Which acid is obtained from the fungus Aspergillus niger?

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  20. By using which bacteria methane is produced ? (A) Methanogenic bacter...

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