Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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21.

Sudoriferous glands occur in :

  • lung

  • kidney

  • skin

  • alimentary canal


C.

skin

Sudorific gland or sudoriferous glands are found in skin of mammals. These secrete sweat to cool the body.


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22.

Which of the following does not match ?

  • Muscular movement - ATP

  • Heart - pace maker

  • Monocyte - haemoglobin

  • Nerve impulse - acetylcholine


23.

Defect in amino acid metabolism may results in :

  • albinism

  • porphyria

  • Wilson's disease

  • phenylketonuria


24.

Teeth of rabbits are :

  • thecodont

  • diphyodont

  • heterodont

  • all of these


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25.

Largest number of chloroplast is found in :

  • palisade tissue

  • spongy tissue

  • transfusion tissue

  • bundle sheath cells


26.

A protein rich green alga is :

  • Chlorella

  • Spirulina

  • Spirogyra

  • Ulothrix


27.

Growth rings are formed due to activity of :

  • extrastelar cambium

  • intrastelar cambium

  • interstelar cambium

  • both 'b' and 'c'


28.

In the sporogonium of which plant, columella is present ?

  • Penicillium

  • Spirogyra

  • Rhizopus

  • Ulothrix


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29.

Rarely among angiosperms the pollen grains influenced the endosperm. This is called as :

  • Metaxenia

  • Nemec phenomenon

  • Xenia

  • Mesogamy


30.

Which of the following taxonomist described classification of plant kingdom in "Families of flowering plants" ?

  • Cronquist

  • Takhtajan

  • Benson

  • Hutchinson


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