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 Multiple Choice QuestionsMultiple Choice Questions

81.

Which are sensitive to SO2 pollution?

  • Mosses

  • Algae

  • Lichen

  • Ferns


82.

The first phylogenetic system of plant classification was proposed by

  • Engler

  • Engler and Prantl

  • Eichler

  • Wetlstein


83.

Black rust of wheat is a fungal disease caused by

  • Melampsora lini

  • Claviceps Purpurea

  • Albugo candida

  • Puccinia graemzinis tritici


84.

In which genera endospores are formed for reproduction

  • Monococcus and Clostridium

  • Bacillus and Clostridium

  • Mucor and Bacillus

  • None ofthe above


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85.

Yeast belongs to which class

  • Basidiomycetes

  • Eumycetes

  • Ascomycetes

  • None of these


86.

In Spirogyra sometimes a ladder like structure  is present due to

  • vegetative reproduction

  • asexual reproduction

  • lateral conjugation

  • scalariform conjugation


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87.

Which of the following is an edible fungus?

  • Agaricus

  • Albugo

  • Rhizopus

  • Puccinia


A.

Agaricus

Agaricus is an edible mushroom. It is a saprophytic fungus, which grows during rainy season, in moisture grassy places and in richly manured unploughed fields.


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88.

Blue- green algae is found in

  • Cycas

  • Pinus

  • Scales of Marchantia

  • Riccia


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89.

In Pteridium meiosis takes place at the time of

  • spore formation

  • organ formation in prothallus

  • spore germination

  • gamete formation


90.

The part of mushroom comes out from soil is called

  • basidiocarp

  • ascogonium

  • ascocarp

  • pericarp


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