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Black rust of wheat is caused by...

Black rust of wheat is caused by

A

Ustilago nuda

B

Puccinia graminis

C

Xanthomonas oryzae

D

Alternaria solani

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The correct Answer is:
B
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ALLEN-DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)-EXERCISE-II
  1. Examine the figures (A-D) given below and select the right option out ...

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  2. Leguminous plants are able to fix atmospheric nitrogen through the pro...

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  3. Black rust of wheat is caused by

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  4. Select the correct combination of the state- ments (i-iv) regarding th...

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  5. Protista differs from monera in having

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  6. Match the contents of column-I with those of column-II

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  7. Among the following plant group which has independent gametophyte and ...

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  8. A prokaryotic autotrophic nitrogen fixing symbiont is found in

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  9. Which one of the following is not a biofertlizer

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  10. An organism used as a biofertilizer for raising soyabean crop is

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  11. Ethanol is commercially produced through a particular species of

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  12. Nitrifying bacteria

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  13. Archegoniophore is present in

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  14. The function of leghaemoglobin in the root nodules of legumes is

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  15. Compared with the gametophytes of the bryophytes, the gametophytes of ...

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  16. The gametophyte is not an independent, free-living generation in

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  17. Examine the fiure given below and select the right option giving all t...

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  18. Selaginella and Salvinia are considered to represent a significant ste...

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  19. Consider the following four statements. Which of the following stateme...

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  20. Which one of the following is a wrong matching of a microbe and its in...

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