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Black rot of crucifers is caused by a...

Black rot of crucifers is caused by a

A

fungus

B

bacterium

C

virus

D

None of these

Text Solution

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The correct Answer is:
B
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ARIHANT NEET-MONERA-Chapter exercises Taking it together ( Assorted questions of the chapter for advanced level practice)
  1. Which of the following is a becterial plant disease ?

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  2. The poisonous substances comonly produced by bacteria are known as

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  3. Black rot of crucifers is caused by a

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  4. Which of the following is disease causing bacterium in human beings?

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  5. Which one of the following statements about mycoplasma is wrong

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  6. Penicillin and Vancomycin do not affect the mycoplasma because

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  7. What is incorrect for mycoplasma

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  8. Mycoplasma are sensitive to

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  9. The outemost limiting layer of mycroplasma is made up of

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  10. What is the role of heterocysts in a cyanobacterial filament?

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  11. The similarity between cyanobacterium and bacterium is

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  12. Pigment phycocyanin and phycoerythrin are found in

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  13. Which of the following shows the absence of chlorophyll 'b'

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  14. In which of the following there is no sexual reproduction

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  15. Sexual reproduction is absent in

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  16. Prokaryotes are characterised by

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  17. Which of the following important features are found in blue-green alga...

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  18. Cyanobacteria are

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  19. Nitrogen fixation by Nostoc /Anabaena takes place in

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  20. Which were the organisms who changed earth's surface from reducing to ...

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