Multiple Choice Questions

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

  • vital capacity

  • tidal volume

  • IRV

  • ERV


A.

vital capacity

Vital capacity is the amount of air which one can inhale and exhale with maximum effort. It is the sum of tidal voulme, inspiratory reserve volume and expiratory reserve volume.

VC = TV + IRV + ERV

     = 500 + 3100 + 1200

     = 4800 mL


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Who for the first time developed electron microscope?

  • Knoll and Ruska

  • Rudolf and Kolliker

  • Robert Hooke

  • Swanson


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

  • nervous tissue supplied to heart

  • muscular tissue supplied to ventricle

  • muscular tissue supplied to heart


Cell theory was proposed by 

  • Virchow

  • Schleiden and Schwann

  • Robert Hooke

  • B McClintock


Autonomic nervous system affects

  • reflex actions

  • sensory organs

  • internal organs

  • None of these


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Hamburger shift is also known as

  • bicarbonate shift

  • chloride shift

  • potassium shift

  • All of the above


Water bloom is generally caused by

  • green algae

  • blue- green algae

  • bacteria

  • Hydrilla


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

  • Monera

  • Protista

  • Animalia

  • Fungi


Which on eof the following is a saprophytic bryophyte?

  • Riccia fluitans

  • Buxbaumia aphylla

  • Funaria hygrometrica

  • Sphagnum


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Which one is the sweetest suagr?

  • Glucose

  • Fructose

  • Sucrose

  • Maltose