BHU UET 2014 B.A. Social Science Question Paper with Answer Key PDFs

BHU UET Questions

• 1.

  Blood brain barrier is formed by

  • Astrocytes
  • Microglial cells
  • Oligodendrocytes
  • Ependymal cells
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• 2.

  Fresh water bony fishes maintain water balance by

  • Excreting hypotonic urine
  • Ecreting wastes as uric acid
  • Drinking small amount of water
  • Excreting salt across their gills
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• 3.

  Sporpollenin is formed by polymerization of

  • Fat and phenols
  • Fat and esters
  • Carotenoids and fat
  • Carotenoid and esters
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• 4.

  Which is not recycled in ecosystem

  • Nitrogen
  • Water
  • Energy
  • Oxygen
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• 5.

  Paramoecium shows cytoplasmic inheritance through

  • Chromosome
  • Nuclear gene
  • Kappa particles
  • DNA
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• 6.

  Potato spindle tuber disease is caused by

  • Fungus
  • Virus
  • Bacterium
  • Viroid
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