Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

21.

Pneumatophores (respiratory roots) are found in

  • Pistia

  • Calobranchia

  • Rhizophora

  • All of these


22. All tissues consist of cells sentence was said by
  • Wallace

  • Virchow

  • Schleiden

  • None of these


23.

The part of mushroom comes out from soil is called

  • basidiocarp

  • ascogonium

  • ascocarp

  • pericarp


24.

The red colour of 'red sea' is due to which of the following blue-green algae?

  • Chlamydomonas nivalis

  • Anabaena

  • Microcystis

  • Trichodesmium


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25.

Maximum absorption of light occurs in the region of

  • 400 - 700 nm

  • 700 - 900 nm

  • 1000 - 1200 nm

  • 1500 - 2000 nm


26.

Mycorrhiza is correctly described as

  • symbiosis of algae and fungi

  • relation of ants with the stem of some trees

  • parasitic association between roots and some fungi

  • symbiotic relationship between fungi and roots of some higher plants


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27.

Now-a-days cornea transplantation is very popular. The reason is that it

  • is easy to preserve

  • transplanted very easily

  • can be easily obtained

  • does not link with blood supply and immune system


D.

does not link with blood supply and immune system

Cornea transplantation is very popular these days because the cornea has no blood supply, so it is away from the immune system of the body.


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28.

In C4 plants, CO2 combines with

  • phosphoglyceric acid

  • ribulose diphosphate

  • phosphoenol pyruvate

  • phosphoglyceraldehyde


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29.

Which one of the following elements is almost non-essential for plants?

  • Ca

  • Mo

  • Zn

  • Na


30.

Which is a typical example of 'feedback inhibition'?

  • Allosteric inhibition of hexokinase by glucose-6-phosphate

  • Reaction between succinic dehydrogenase and succinic acid

  • Cyanide and cytochrome reaction

  • Sulpha drugs and folic acid synthesizer bacteria


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