GK Biology Questions and Answers

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Q51
Monocot root differs from dicot root in having
  • A open vascular bundles
  • B scattered vascular bundles
  • C well developed pith
  • D radially arranged vascular bundles
Answer: Option C
Q52
Radioactivity is a phenomenon of the spontaneous emission of
  • A protons (alpha particles)
  • B electrons (beta particles)
  • C gamma rays (short wave electromagnetic waves)
  • D All of the above
Answer: Option D
Q53
Organic Substances which, in very small amounts, control growth and development called
  • A vitamins
  • B hormones
  • C enzymes
  • D None of the above
Answer: Option B
Q54
Our major foods, fibres, spices, fruits and beverage crops are
  • A flowering plants
  • B gymnosperms plants
  • C pteridophytes
  • D bryophytes
Answer: Option A
Q55
Movements due to light are shown by
  • A flowering plants
  • B lower plants
  • C all land plants
  • D all the plants
Answer: Option A
Q56
Outer covering of virus made up of protein is
  • A capsid
  • B coat
  • C virion
  • D viriod
Answer: Option A
Q57
Radish is a
  • A bulb
  • B conn
  • C modified root
  • D tuber
Answer: Option C
Q58
Most abundant tissues of our body are
  • A muscular
  • B connective
  • C epithelial
  • D nervous
Answer: Option A
Q59
Mumps is a disease caused by
  • A fungus
  • B bacterium
  • C virus
  • D None of these
Answer: Option C
Q60
Rain water helps to increase the ____ to some extent.
  • A phosphorous contents
  • B nitrogen contents
  • C calcium contents
  • D potash contents
Answer: Option C

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