Spirochaetes is are

(1) a class of insects

(2) a class of viruses

(3) bacteria

(4) fungi

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The metachromatic granules are

(1) present in plants cell at metaphase stage

(2) inclusion bodies in bacteria

(3) produced in insects during metamorphosis

(4) chromatophores in animals skin

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Clamp connection is found in

(1) Basidiomycetes

(2) Ascomycetes

(3) Saccharomycetes

(4) Haplomycetes

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Protists obtain their food as

(1) photosynthesizers only

(2) chemosynthesizers

(3) heterotrophs only

(4) Both (1) and (3)

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Diatoms do not decay easily because

(1) they have siliceous walls

(2) their body is impervious to water

(3) they are chitinous

(4) they are abundant in saline soil

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Erogotamine tartarate extracted from Claviceps, is used for cure of

(1) bodyache

(2) headache

(3) fever

(4) severe stomach pain

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The function of nitrogen fixation in Anabaena (cyanobacterium) is performed by

(1) thylakoid

(2) heterocyst

(3) phycocyanin

(4) phycoerythrin

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Plant decomposers are

(1) Monera and Fungi

(2) Fungi and Plantae

(3) Protista and Animalia

(4) Animalia and Monera

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These organisms are fungus like in one phase of their life cycle and Amoeba like in another phase of their life cycle

(1) diatoms

(2) slime molds

(3) dinoflagellates

(4) water molds

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In which of the following patterns of viral replication, viruses enter a cell, replicate and then cause the cell to burst, releasing new viruses?

(1) Lytic

(2) Lysogenic

(3) Reprogenic

(4) Both (1) and (2)

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