Indian Geography Questions
DIRECTIONS : Questions based on Zoology.
36. The inner concave part of the kidney is called
  A.  Medulla
  B.  Hilus
  C.  Cortex
  D.  Pelvis
37. ------- are the bloood vessels which carry blood towards the heart.
  A.  Arteries
  B.  Veins
  C.  Capillaries
  D.  None of the above

38. Plague is spread by
  A.  Dogs
  B.  Pigs
  C.  Rats
  D.  Mosquitoes
39. Flow of energy in an ecosystem is
  A.  Unidirectional
  B.  Tridirectional
  C.  Multidirectional
  D.  Bidirectional
40. Pulmonary vein alone carries
  A.  Impulse
  B.  Pure blood
  C.  Impure blood
  D.  Lymph
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