Biological Classification: Monera/Virus Quiz

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Biological Classification: Monera/Virus

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The site of respiration in bacteria is

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Which of the following shows the absence of chlorophyll 'b'?

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Which of the following does not evolve oxygen?

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The symbiotic nitrogen fixing bacteria present in root nodules of legumes belongs to genus

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Which was the first photosynthetic organism?

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Cyanophyceae has got

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Chemosynthetic bacteria are those bacteria which

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Under which of the following condition a Gram positive bacteria turns Gram negative?

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Auxospores and hormocysts are fomed respectively, by

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Which of the following is true regarding the phage lambda, a virus which infects bacteria?

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Bacteria reproduces sexually by

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In which of the following there is no sexual reproduction?

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Mycoplasma is a

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Which one of the following is correct for structure of cell wall of fungi and bacteria?

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Nitrogen fixation by Nostoc takes place in

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Which is not true for the heterocyst of Nostoc?

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Which of the following is a cyanobacterium?

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(i) Green algae occur in fresh water, brackish water, salt water.

(ii) Habitat of Brown algae-fresh water (rare), brackish water, salt water

(iii) Some red algae are found in fresh water, mostly occur in salt water, some are in brackish water.

(iv) Most of the red algae are multicellular.

(v) Red alga may occur in both well lighted regions close to water-surface and also at great depths in oceans where light penetration is little.

(vi) Cell wall of red algae consists of cellulose + agar.

(vii) 2 —8, equal and apical flagella in green algae.

Choose the correct option as per the statement given above.

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In Escherichia coli

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Bacteria are considered as plants, because

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'Peptidoglycan' is a characteristic constituent of the cell wall of

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The chief component of bacterial cell wall is

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Heterocysts are found in certain

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Match column-I with column-II and select the option.

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How many bacteria are produced in four hours if a bacterium divides once in half an hour?

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Nitrifying bacteria, Nitrosomonas and Nitrobactor

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Mycoplasma are not sensitive to

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Single filament of Nostoc without mucilage sheath is known as

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Match Column-I with Column-II and choose the correct option.

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