GK Biology Questions and Answers

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Q11
One of the following is not a function of bones.
  • A Place for muscle attachment
  • B Protection of vital organs
  • C Secretion of hormones for calcium regulation in blood and bones
  • D Production of blood corpuscles
Answer: Option C
Q12
Plants absorb most part of water needed by them through their
  • A embryonic zone
  • B growing point
  • C root hairs
  • D zone of elongation
Answer: Option C
Q13
Photo-oxidation is
  • A photorespiration
  • B photolysis
  • C light and oxygen induced breakdown
  • D All of the above
Answer: Option D
Q14
Proces of cell division can take place by
  • A heterosis
  • B fusion
  • C mitosis
  • D None of these
Answer: Option C
Q15
Most highly intelligent mammals are
  • A whales
  • B dolphins
  • C elephants
  • D kangaroos
Answer: Option B
Q16
Plant development is influenced by
  • A quality of light only
  • B quality and quantity of light
  • C quality and duration of light
  • D quality, quantity and duration of light
Answer: Option D
Q17
Prokaryotic cells lack
  • A nucleolus
  • B nuclear membrane
  • C membrane bound by organelles
  • D All of these
Answer: Option D
Q18
Photosynthesis takes place faster in
  • A yellow light
  • B white light
  • C red light
  • D darkness
Answer: Option B
Q19
Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by
  • A Robert Hooke
  • B Robert Brown
  • C Rudolf Virchow
  • D Theodore Schwann
Answer: Option B
Q20
Primary phloem develops from
  • A lateral meristem
  • B protoderm
  • C extrastelar cambium
  • D provascular tissue
Answer: Option D

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