GS Biology Questions and Answers

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Q131
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
Q132
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
Q133
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
Q134
Primary phloem develops from
  • A lateral meristem
  • B protoderm
  • C extrastelar cambium
  • D provascular tissue
Answer: Option D
Q135
Other than spreading malaria, anopheles mosquitoes are also vectors of
  • A dengue fever
  • B filariasis
  • C encephalitis
  • D yellow fever
Answer: Option B
Q136
out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
  • A Lipids are maximum
  • B Carbohydrates are minimum
  • C Carbohydrates are maximum
  • D All three are in equal proportion
Answer: Option B
Q137
Prothrombin which helps in clotting of blood is released by
  • A lymphocytes
  • B erythrocytes
  • C monocytes
  • D blood platelets
Answer: Option D
Q138
Ramapithecus and Cro-Magnon man are considered
  • A ancestors of modern man
  • B ancestors of monkey
  • C ancestors of lion
  • D None of the above
Answer: Option A
Q139
Plants wilt due to excess of
  • A transpiration
  • B photosynthesis
  • C absorption
  • D None of these
Answer: Option A
Q140
Plant bends towards the source of light on account of the movement of curvature known as
  • A geotropism
  • B thigmotropism
  • C chemotropism
  • D phototropism
Answer: Option D
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