Q. No.Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism?
(1) Casuarina equisetifolia
(2) Crotolaria juncea
(3) Cycas revoluta
(4) Cicer arietinum
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Which of the following is a slime mould?
(1) Rhizopus
(2) Physarum
(3) Thiobacillus
(4) Anabaena
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Ergot of rye is caused by a species of:
(1) Phytophthora
(2) Uncinula
(3) Ustilago
(4) Claviceps
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True nucleus is absent in
(1) Anabaena
(2) Mucor
(3) Vaucheria
(4) Volvox
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Cell wall is absent in
(1) Aspergillus
(2) Funaria
(3) Mycoplasma
(4) Nostoc
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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
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Viruses have
(1) DNA enclosed in a protein coat
(2) prokaryotic nucleus
(3) single chromosome
(4) Both DNA and RNA
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Cellulose is the major component of cell walls of
(1) Pythium
(2) Xanthomonas
(3) Pseudomonas
(4) Saccharomyces
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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
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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
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