Viroids differ from viruses in having

(1) DNA molecules with protein coat

(2) DNA molecules without protein coat

(3) RNA molecules with protein coat

(4) RNA molecules without protein coat

Concept Questions :-

Virus, Viroids & Prions
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Which one of the following is wrong for fungi?

(1) They are eukaryotic

(2) All fungi possess a purely cellulosic cell wall

(3) They are heterotrophic

(4) They are both unicellular and multicellular

Concept Questions :-

Kingdom Fungi:: Introduction
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Methanogens belong to

(1) eubacteria

(2) archaebacteria

(3) dinoflagellates

(4) slime moulds

Concept Questions :-

Kingdom Monera: Bacterial Classification
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Select the wrong statement.

(a) The walls of diatoms are easily destructible

(b) 'Diatomaceous earth' is formed by the cell walls of diatoms

(c) Diatoms are chief producers in the oceans

(d) Diatoms are microscopic and float passively in water

Concept Questions :-

Kingdom protista: Chrysophytes
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Chrysophytes, euglenoids, dinoflagellates and slime moulds are included in the kingdom

(1) Protista

(2) Fungi

(3) Animalia

(4) Monera

Concept Questions :-

Kingdom Protista: Introduction
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The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the

(1) thermoacidophiles

(2) methanogens

(3) eubacteria

(4) halophiles

Concept Questions :-

Kingdom Monera: Bacterial Classification
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Which one of the following statements is wrong?

(1) Golden algae are also called desmids

(2) Eubacteria are also called false bacteria

(3) Phycomycetes are also called algal fungi

(4) Cyanobacteria are also called blue-green algae

Concept Questions :-

Kingdom Monera: Bacterial Classification
Kingdom Monera:Actinomycetes, Mycoplasma
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One of the major components of cell wall of most fungi is

(1) peptidoglycan

(2) cellulose

(3) hemicellulose

(4) chitin

Concept Questions :-

Kingdom Fungi:: Introduction
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Which of the following statements is wrong for viroids?

(1) They are smaller than viruses

(2) They cause infections

(3) Their RNA is of high molecular weight

(4) They lack a protein coat

Concept Questions :-

Virus, Viroids & Prions
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Which one of the following fungi contains hallucinogens?

(1) Morchella esculenta

(2) Amanita muscaria

(3) Neurospora sp.

(4) Ustilago sp.

Concept Questions :-

Kingdom Fungi: Basidomycetes
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