Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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21.

Hamburger shift is also known as

  • bicarbonate shift

  • chloride shift

  • potassium shift

  • All of the above


B.

chloride shift

To maintain electrostatic neutrality of plasma, many chloride ions diffuse from plasma into RBCs and bicarbonate ions pass out. The chloride content of RBCs increases when oxygenated blood becomes deoxygenated. Hence, the phenomenon is known as Chloride shift or Hamburger shift.


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22. 'Bundle of His' are
  • nervous tissue supplied to ventricles

  • nervous tissue supplied to heart

  • muscular tissue supplied to ventricle

  • muscular tissue supplied to heart


23.

Cell theory was proposed by 

  • Virchow

  • Schleiden and Schwann

  • Robert Hooke

  • B McClintock


24.

Who for the first time developed electron microscope?

  • Knoll and Ruska

  • Rudolf and Kolliker

  • Robert Hooke

  • Swanson


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25.

Autonomic nervous system affects

  • reflex actions

  • sensory organs

  • internal organs

  • None of these


26.

After a deep inspiration and maximum expiration, the capacity of lungs is known as

  • vital capacity

  • tidal volume

  • IRV

  • ERV


27.

Which one is the sweetest suagr?

  • Glucose

  • Fructose

  • Sucrose

  • Maltose


28.

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

  • Monera

  • Protista

  • Animalia

  • Fungi


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29.

Water bloom is generally caused by

  • green algae

  • blue- green algae

  • bacteria

  • Hydrilla


30.

Which on eof the following is a saprophytic bryophyte?

  • Riccia fluitans

  • Buxbaumia aphylla

  • Funaria hygrometrica

  • Sphagnum


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