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 Multiple Choice QuestionsMultiple Choice Questions

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81.

Which are sensitive to SO2 pollution?

  • Mosses

  • Algae

  • Lichen

  • Ferns


C.

Lichen

Lichens are sensitive to SO2 environment. They can not grow in sulphur dioxide pollutated area. So, lichens are called pollution indicating plants.

Mosses are sensitive to acidity and Nitrogen.

Algae are sensitive to some pollutants. Their metabolism is sensitive to the variation of environmental and natural disturbances.


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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


87.

Which of the following is an edible fungus?

  • Agaricus

  • Albugo

  • Rhizopus

  • Puccinia


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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