Which of the following is a slime mould?

(1) Rhizopus

(2) Physarum

(3) Thiobacillus

(4) Anabaena

Subtopic:  Kingdom protista: Slime Moulds |
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Ergot of rye is caused by a species of:

(1) Phytophthora

(2) Uncinula

(3) Ustilago

(4) Claviceps

Subtopic:  Kingdom Fungi: Ascomycetes |
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True nucleus is absent in

(1) Anabaena

(2) Mucor

(3) Vaucheria

(4) Volvox

Subtopic:  Kingdom Monera: Introduction |
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Cell wall is absent in

(1) Aspergillus

(2) Funaria

(3) Mycoplasma

(4) Nostoc

Subtopic:  Kingdom Monera: Actinomycetes & Mycoplasma |
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Which of the following shows coiled RNA strand and capsomeres?

(1) Polio virus

(2) Tobacco mosaic virus

(3) Measles virus

(4) Retrovirus

Subtopic:  Virus, Viroids & Prions |
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Viruses have

(1) DNA enclosed in a protein coat

(2) prokaryotic nucleus

(3) single chromosome

(4) Both DNA and RNA

Subtopic:  Virus, Viroids & Prions |
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Cellulose is the major component of cell walls of

(1) Pythium

(2) Xanthomonas

(3) Pseudomonas

(4) Saccharomyces

Subtopic:  Kingdom Monera: Bacterial Cell Structure | Kingdom Fungi:: Introduction |
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Which of the following components provides sticky character to the bacterial cell?

(1) Cell wall

(2) Nuclear membrane

(3) Plasma membrane

(4) Glycocalyx

Subtopic:  Kingdom Monera: Bacterial Cell Structure |
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The imperfect fungi which are decomposers of litter and help in mineral cycling belong to

(1) Deuteromycetes

(2) Basidiomycetes

(3) Phycomycetes

(4) Ascomycetes

Subtopic:  Kingdom Fungi: Deuteromycetes |
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Select wrong statement.

(1) The viroids were discovered by D.J. lvanowsky.

(2) W.M. Stanley showed that viruses could be crystallized.

(3) The term 'contagium vivum fluidum' was coined by M.W. Beijerinek.

(4) Mosaic disease in tobacco and AIDS in human being are caused by viruses.

Subtopic:  Virus, Viroids & Prions |
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