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Which statements are true about heterocy...

Which statements are true about heterocyst?
(a) Thick cell wall is permeable to oxygen
(b) it lacks PS-II,
(c) PS-I remains active which generates ATP required to fix nitrogen.
(1) All except (a)
(2) All except (b)
(3) All except (c)
(4) All (a), (b) and (c)

A

All except (a)

B

All except (b)

C

All except (c)

D

All (a), (b) and (c)

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AAKASH INSTITUTE ENGLISH-TEST 2-EXERCISE
  1. Mycoplasma: (a) Lack cell wall (b) Can survive without oxygen (c...

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  2. What is true for Archaebacteria? (a) They all are halophiles (b) The...

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  3. Which statements are true about heterocyst? (a) Thick cell wall is p...

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  4. Mark the incorrect statement.

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  5. Find the correct match, :

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  6. Read the following statements and choose the correct option: (A) Dia...

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  7. A unicellular organism which has a gullet, thousands of cilia one macr...

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  8. Select the incorrect statement about dinoflagellates (a) They are most...

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  9. Mycorrhiza is an association between (a) Roots of higher plants and fu...

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  10. Bacterial viruses : A. Infect the bacteria B. Usually have double stra...

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  11. Viruses have properties of both living and non-living things. They are...

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  12. A prion is a

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  13. A virus differs from a viroid as it

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  14. Mark True (T) or False(F) for the following statements & choose the co...

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  15. Bladderwort is a

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  16. Select the features of Rhizopus. (a) Saprophytic fungus, (b) Hypha...

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  17. Select the pair of fungi which belongs to clas deuteromycetes. (a) Alt...

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  18. Ergot of Rye causing organism (a) Has coenocytic & aseptate mycelium ...

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  19. The spores produced exogenously on the basidium are (a) Haploid (b) ...

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  20. Which of the following statements is incorrect regarding fungi? (a) It...

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