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BIOLOGY MCQs

Total Questions : 1207 | Page 119 of 121 pages
Question 1181. . Organic Substances which, in very small amounts, control growth and development called
  1.    vitamins
  2.    hormones
  3.    enzymes
  4.    None of the above
 Discuss Question
Answer: Option B. -> hormones
Question 1182. . Radioactivity is a phenomenon of the spontaneous emission of
  1.    protons (alpha particles)
  2.    electrons (beta particles)
  3.    gamma rays (short wave electromagnetic waves)
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 1183. . Our major foods, fibres, spices, fruits and beverage crops are
  1.    flowering plants
  2.    gymnosperms plants
  3.    pteridophytes
  4.    bryophytes
 Discuss Question
Answer: Option A. -> flowering plants
Question 1184. . Movements due to light are shown by
  1.    flowering plants
  2.    lower plants
  3.    all land plants
  4.    all the plants
 Discuss Question
Answer: Option A. -> flowering plants
Question 1185. . Radish is a
  1.    bulb
  2.    conn
  3.    modified root
  4.    tuber
 Discuss Question
Answer: Option B. -> conn
Question 1186. . Most abundant tissues of our body are
  1.    muscular
  2.    connective
  3.    epithelial
  4.    nervous
 Discuss Question
Answer: Option B. -> connective
Question 1187. . Outer covering of virus made up of protein is
  1.    capsid
  2.    coat
  3.    virion
  4.    viriod
 Discuss Question
Answer: Option A. -> capsid
Question 1188. . Most common disease of poultry in India is
  1.    fowl pox
  2.    tick fever
  3.    ranikhet
  4.    coryza
 Discuss Question
Answer: Option C. -> ranikhet
Question 1189. . Mumps is a disease caused by
  1.    fungus
  2.    bacterium
  3.    virus
  4.    None of these
 Discuss Question
Answer: Option C. -> virus
Question 1190. . Rain water helps to increase the ____ to some extent.
  1.    phosphorous contents
  2.    nitrogen contents
  3.    calcium contents
  4.    potash contents
 Discuss Question
Answer: Option C. -> calcium contents

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