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Earn 100

The Archaebacteria which occur in gut of ruminant animals
(a)Are used for biogas production
(b) Are also present in marshy habitat
(c)Are called methanogens
(d)All of these

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Important Questions on Biological Classification
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Match the column I and column II and select the correct option:
Column -1 | Column - II |
(a) Cholera | (ii) Clostridium |
(b) Diphtheria | (ii) Salmonella |
(c) Tetanus | (iii) Vibrio |
(d) Typhoid | (iv) Corynebacterium |
**Two genera names were same, so one was changed.**

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Read the following statements and select the correct options that are true for cyanobacteria:
(a) The colonies are generally surrounded by a gelatinous sheath.
(b) They form blooms in polluted water bodies.
(c) They show nitrogenase activity in heterocyst.
(d) They perform oxygenic photosynthesis in a vegetative cell only.

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Which of the following is incorrect w.r.t. Archaebacteria?

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Clostridium botulinum is

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All the given characters are correct for Mycoplasma, except:

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What is incorrect for Nostoc?

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Archaebacterium shows similarity with Cyanobacteria in having

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Bacterial endospores are
