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Which is must for nitrogen fixation by s...

Which is must for nitrogen fixation by symbiotic bacteria in root nodules?

A

1.Phycocyanin

B

2.Carotenoids

C

3.Leghaemoglobin

D

4.Bacterioviridin

Text Solution

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The correct Answer is:
C
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TRUEMAN BIOLOGY-KINGDOM MONERA - KINGDOM OF PROKARYOTES-Multiple choice question
  1. Smallest organism capable of autonomous growth and reproduction is

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  2. Facultative anaerobic bacteria are

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  3. Which is must for nitrogen fixation by symbiotic bacteria in root nodu...

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  4. In blue green algal cell, the photosynthetic pigments are found

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  5. In blue green algae, attached to the freely lying thylakoids are prese...

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  6. Azolla is used as biofertilizer because

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  7. Nos toe is known to do

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  8. Nitrogenase is found in Nostoc in the

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  9. Cyanobacteria are characterised by

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  10. Nitrosomonas is a

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  11. Photosynthetic pigments of bacteria are located in

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  12. In photoautotrophic bacteria, the reaction centre is

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  13. The hydrogen donor in bacterial photosyn- thesis is usually

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  14. Peptidoglycan (Murein) and amino acids in cell wall are absent in

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  15. A unique amino acid in the cell wall of Bacteria and BGA is

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  16. The bacteria which do not retain the crystal violet of iodine stain wh...

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  17. A bacterium divides every 35 minutes. If a culture containing 10^(5) c...

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  18. Which of the following uses light as energy source ?

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  19. A pigment due to which root nodules of leguminous plants are pinkish, ...

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  20. Some bacteria are not easily killed because of

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