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 Multiple Choice QuestionsMultiple Choice Questions

11.

Choose the wrong statement

  • Penicillium is multicellular and produces antibiotics

  • Neurospora is used in the study of biochemical genetics

  • Morels and truffles are poisonous mushrooms

  • Morels and truffles are poisonous mushrooms

972 Views

12.

Archaebacteria differ from eubacteria in

  • cell membrane structure

  • mode of nutrition

  • cell shape

  • cell shape

810 Views

13.

Which of the following is responsible for peat formation?

  • Marchantia

  • Riccia

  • Funaria

  • Funaria

707 Views

14.

In which group of organisms the cell walls form two thin overlapping shells which fit together?

  • Chrysophytes

  • Euglenoids

  • Dinoflagellates

  • Dinoflagellates

1163 Views

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15.

Pick up the wrong statement

  • Cell wall is absent in Animalia

  • Protis ta have photosyn thetic and heterotrophic modes of nutrition

  • Some fungi are edible

  • Some fungi are edible

856 Views

16.

Dr F went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps. Of what significance is this experiment?

  • It made possible the isolation and exact identification of auxin

  • It is the basis for quantitative determination of small amounts of growth - promoting substances

  • It supports the hypothesis that IAA is auxin

  • It supports the hypothesis that IAA is auxin

1218 Views

17.

Which of the following are most suitable indicators of SO2 pollution in the environment?

  • Lichens

  • Conifers

  • Algae

  • Algae

789 Views

18.

The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as

  • Cyanobacteria

  • Archaebactera

  • Chemosynthetic autotrophs

  • Chemosynthetic autotrophs

919 Views

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19.

Viruses have

  • DNA enclosed in a protein coat

  • prokaryotic nucleus

  • single chromosome

  • single chromosome

537 Views

20.

The first human hormone produced by recombinant 

  • insulin

  • estrogen

  • thyroxin

  • thyroxin

515 Views

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