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31. The disease caused by Asbestos is:
  A.  Dysentery
  B.  Paralysius
  C.  Diarrhoea
  D.  Emphysema
     
   
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32. In the eye, colour vision is effected by the presence of:
  A.  Choroid coat
  B.  Cones
  C.  Rods
  D.  Sclerotic coat
     
   
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33. Which of the following is Not one of the important stemps in processing tea leaves?
  A.  Rolling
  B.  Drying
  C.  Fermenting
  D.  Withering
     
   
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34. Dehydration in human bys is caused due to the loss of:
  A.  vitamins
  B.  salts
  C.  water
  D.  hormones
     
   
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35. Which of the following is the largest living bird?
  A.  Ostrich
  B.  Peacock
  C.  Ealge
  D.  Kiwi
     
   
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36. In the case of test tube babies
  A.  egg is fertilized in the uterus.
  B.  embryo completes its development in a test tube.
  C.  egg is fertilized outside mother's body.
  D.  embryo is placed in uterus after 2 months.
     
   
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37. The age of trees is determined by its:
  A.  Growth rings
  B.  Height
  C.  Girth
  D.  General apearance
     
   
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38. Kidney disease in man is caused by the pollutant:
  A.  Cadmium
  B.  Iron
  C.  Cobalt
  D.  Carbon
     
   
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39. Fruits of this plant are found underground:
  A.  Ptotato
  B.  Groundnut
  C.  Carrot
  D.  Onion
     
   
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40. A rate and endangered animal in Silent Valley is:
  A.  Musk deer
  B.  Tiger
  C.  Rhinosores
  D.  Lion tailed macaque
     
   
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