Multiple Choice Questions

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Which on eof the following is a saprophytic bryophyte?

  • Riccia fluitans

  • Buxbaumia aphylla

  • Funaria hygrometrica

  • Sphagnum


B.

Buxbaumia aphylla

Bryophytes usually grow in moist and shady places. Some bryophytes grow in diverse habitats such as:

  1. Aquatic- eg Riccia fluitans
  2. Epiphytic- eg Dendroceros and many mosses
  3. Sapophytic- eg Buxbaumia aphylla
  4. Dry habitats- eg Polytrichum juniperinum
  5. Deserts- eg Tortula desertorum
  6. Dry rocks- eg Porella platyphylla


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Who for the first time developed electron microscope?

  • Knoll and Ruska

  • Rudolf and Kolliker

  • Robert Hooke

  • Swanson


Which one is the sweetest suagr?

  • Glucose

  • Fructose

  • Sucrose

  • Maltose


Hamburger shift is also known as

  • bicarbonate shift

  • chloride shift

  • potassium shift

  • All of the above


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

  • vital capacity

  • tidal volume

  • IRV

  • ERV


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

  • Monera

  • Protista

  • Animalia

  • Fungi


'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


Water bloom is generally caused by

  • green algae

  • blue- green algae

  • bacteria

  • Hydrilla


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Autonomic nervous system affects

  • reflex actions

  • sensory organs

  • internal organs

  • None of these