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Black rust of wheat is caused by...

Black rust of wheat is caused by

A

Alternaria solani

B

Ustilago nuda

C

Puccinia graminis

D

Xanthomonas oryzae

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The correct Answer is:
C
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AAKASH INSTITUTE-BIOLOGICAL CLASSIFICATION-Assignment (Section - C) (Previous Years Questions)
  1. Some hyperthermophilic organisms that grow in highly acidic (pH2) hab...

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  2. Infectious proteins are presents in

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  3. Black rust of wheat is caused by

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  4. Given below is the diagram of a bacteriophage. In which one of the opt...

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  5. Select the correct combination of the statement of the statement (A-D)...

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  6. T.O. Diener discovered a

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  7. Which one is the wrong pairing for the disease and its causal organism

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  8. Which of the following is a symbiotic nitrogen fixer ?

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  9. Thermococcus, Methanococcus and Methanobacterium exemplify:

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  10. Cellulose is the major component of cell walls of

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  11. In the light of recent classification of living organisms into three d...

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  12. Bacterial leaf blight of Rice is caused by

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  13. Biological organisation starts with

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  14. Which of the following is a slime mould

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

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  16. Which pair of the following belongs to basidiomycetes

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  17. Ergot of rye is caused by a species of

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  18. The thalloid body of a slime mould (Myxomycetes) is known as

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  19. The bacterium (Clostridium botulinum) that causes botulism is

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  20. Which of the following environment conditions are essential for optimu...

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