Biology MCQ Question and Answer

Biology MCQ Question and Answer
121. Neoteny is observed in—
  • Ambystoma
  • Alytes
  • Sycon
  • Sacculina
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122. Kidneys are vital organs of the body because they help in—
  • Regulation of body fluids
  • Regulation of acid-base balance
  • Removal of metabolic wastes
  • All of these functions
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123. The infective stage of malarial parasite is—
  • Trophozoite
  • Merozoite
  • Sporozoite
  • Cyst
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124. Parasitic castration occurs in—
  • Fasciola
  • Nereis
  • Sacculina
  • Palaemon
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125. June 21 is the longest day of the year for those living in the Northern hemisphere. What is the shortest day of the year for those living in the Southern hemisphere ?
  • March 21
  • September 21
  • December 21
  • June 21
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126. Liberhan Commission has been appointed to deal with which one of the following ?

  • Anti-Sikh Riots, 1984
  • Demolition of Babri Masjid
  • Godhra Incident
  • Mumbai Communal Riots
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127. Ordinary table salt is sodium chloride. What is baking soda?
  • Potassium chloride
  • Potassium carbonate
  • Potassium hydroxide
  • Sodium bicarbonate
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128. Ozone hole refers to
  • hole in ozone layer
  • decrease in the ozone layer in troposphere
  • decrease in thickness of ozone layer in stratosphere
  • increase in the thickness of ozone layer in troposphere
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129. Plants receive their nutrients mainly from
  • chlorophyll
  • atmosphere
  • light
  • soil
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130. Movement of cell against concentration gradient is called
  • osmosis
  • active transport
  • diffusion
  • passive transport
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