GENERAL KNOWLEDGE | QUIZ | ZOOLOGY| 8 | QUESTIONS BASED ON ZOOLOGY | THE INNER CONCAVE PART OF THE KIDNEY IS CALLED | PLAGUE IS SPREAD BY | FLOW OF ENERGY IN AN ECOSYSTEM IS

DIRECTIONS : Questions based on Zoology.

36.     The inner concave part of the kidney is called
      A.  Medulla
      B.  Hilus
      C.  Cortex
      D.  Pelvis
 Ans: B.

37.     ------- are the bloood vessels which carry blood towards the heart.
      A.  Arteries
      B.  Veins
      C.  Capillaries
      D.  None of the above
  Ans: B.

38.     Plague is spread by
      A.  Dogs
      B.  Pigs
      C.  Rats
      D.  Mosquitoes
  Ans: C.

39.     Flow of energy in an ecosystem is
      A.  Unidirectional
      B.  Tridirectional
      C.  Multidirectional
      D.  Bidirectional
  Ans: A.

40.     Pulmonary vein alone carries
      A.  Impulse
      B.  Pure blood
      C.  Impure blood
      D.  Lymph
 Ans: B.