Which of the following is a 'cyanophage'?

(1) S-13

(2) ϕ×174

(3) SV-40

(4) LPP-1

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The common characteristic showning by mushroom, smut and rust

(1) is characterised by presence of basidiocarps

(2) is characterised by presence of ascocarps

(3) all are pathogen

(4) all are saprophytic in nature

Concept Questions :-

Kingdom Fungi: Basidomycetes
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Which one exhibits the character of a protozoan during one phase of its life cycle and character of fungi in another phase of its life cycle?

(1) Water moulds

(2) Psilophytes

(3) Slime moulds

(4) Diatoms

Concept Questions :-

Kingdom protista: Slime Moulds
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Spirochaetes is/are

(1) a class of viruses

(2) myxobacteria

(3) spiral-shaped bacteria

(4) richittsias

Concept Questions :-

Kingdom Monera: Introduction
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Which of the following organisms completely lack cell wall, they are the smallest living cells known and can survive without oxygen?

(1) Mycoplasma

(2) Euglenoids

(3) Slime moulds

(4) All of these

Concept Questions :-

Kingdom Monera:Actinomycetes, Mycoplasma
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Spirochaetes is are

(1) a class of insects

(2) a class of viruses

(3) bacteria

(4) fungi

Concept Questions :-

Kingdom Monera: Introduction
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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

Concept Questions :-

Kingdom Monera: Surface Appendages
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Clamp connection is found in

(1) Basidiomycetes

(2) Ascomycetes

(3) Saccharomycetes

(4) Haplomycetes

Concept Questions :-

Kingdom Fungi: Basidomycetes
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Protists obtain their food as

(1) photosynthesizers only

(2) chemosynthesizers

(3) heterotrophs only

(4) Both (1) and (3)

Concept Questions :-

Kingdom Protista: Introduction
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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

Concept Questions :-

Kingdom protista: Chrysophytes
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