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281. Liver is a RICH source of
  A.  Proteins
  B.  Fat soluble vitamins
  C.  Minerals
  D.  Sugars
     
   
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282. The number of eggs normally released by females during one menstrual cycle is;
  A.  3
  B.  1
  C.  2
  D.  4
     
   
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283. Lungs are located in the
  A.  Abdominal cavity
  B.  Pleural cavity
  C.  Peritoneal cavity
  D.  Pericardial cavity
     
   
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284. In dicots the pollen-grains possess:
  A.  three germ pores
  B.  two germ pores
  C.  four germ pores
  D.  one germ pores
     
   
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285. DPT vaccine is adminstered to prevent disease like:
  A.  Dengue, Pertussis and Typhoid
  B.  Diphtheria, Pertussis and Tetanus
  C.  Dengue, Polio and Tetanus
  D.  Diphtheria, Pertussis and Typhoid
     
   
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286. Hypothermia occurs due to loss of excessive heat from body due to sudden low boyd temperature in:
  A.  Human being
  B.  Frogs
  C.  Lizards
  D.  Snakes
     
   
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287. The natural disaster in which carbon-di-oxide suddenly erupts from a deep lake water is known as _______________.
  A.  Liminic
  B.  Glacial
  C.  Fluvial
  D.  Lacaustrine
     
   
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288. The hormone used as an oral contraceptive is:
  A.  Cortisone
  B.  Testosterone
  C.  Progesterone
  D.  Aldesterone
     
   
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289. Transboundary pollution(or) Acid rain is caused by:
  A.  Carbon Monoxide
  B.  Nitrogen oxide and Sulphur Dioxide
  C.  Hydrocarbon
  D.  Carbon dioxide
     
   
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290. What is the Normal blood volume in human adult?
  A.  Five litre
  B.  Three litres
  C.  one litres
  D.  Seven litres
     
   
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