Multiple Choice Questions

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Edible part of mushroom is

  • basidiocarp

  • secondary mycelium

  • primary mycelium

  • tertiary mycelium


A.

basidiocarp

Basidiocarp or Sporocarp comprises of cap and stalk together which forms fruiting body. Due to the presence of gills, the members of Agaricaceae family are called Gill or Gilled fungi. These are also fleshy and hence known as fleshy fungi. 

Some of these fleshy fungi are edible and hence, are known as mushrooms.


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Which part of an animal virus is not reproduced in multiple copies?

  • Capsid

  • Protein

  • Envelope

  • Ribosome


Most primitive member, in which roots are not present, is

  • Psilotum

  • Rhynia

  • Lycopodium

  • Selaginella


Entamoeba histolytica differs from Amoeba in absence of 

  • pseudopodia

  • contractile vacuole

  • nucleus

  • ectoplasm


Thigmotaxis is not shown by

  • Paramecium

  • Amoeba

  • Ascaris

  • Hydra


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Contractile vacuole in protozoan Amoeba is meant for

  • respiration

  • excretion

  • locomotion

  • osmoregulation


In Whittaker's system of classification, prokaryotes belong to the kingdom

  • Monera

  • Protista

  • Animalia

  • Fungi


Polyp phase is absent in

  • Hydra

  • Aurelia

  • Physalia

  • Obelia


The process which cannot take place in the absence of viruses is

  • transformation

  • conjugation

  • translocation

  • transduction


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Nucleic acid is absent in

  • Virus

  • Viroid

  • Prion

  • Mycoplasma


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