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MCQs

Total Questions : 310 | Page 5 of 31 pages
Question 41. Release of oxytocin during labour pain occurs in form of
  1.    packets
  2.    stream
  3.    waves
  4.    rays
 Discuss Question
Answer: Option C. -> waves
Answer: (c).waves
Question 42. Viviparity is a feature of
  1.    birds
  2.    fish
  3.    mammals
  4.    reptiles
 Discuss Question
Answer: Option C. -> mammals
Answer: (c).mammals
Question 43. Fertilization that occurs outside body of an organism is called
  1.    internal fertilization
  2.    external fertilization
  3.    copulation
  4.    pollination
 Discuss Question
Answer: Option B. -> external fertilization
Answer: (b).external fertilization
Question 44. Parthenocarpy occurs due to harmonal imbalance usually due to high level of
  1.    ethene in ovaries
  2.    auxin in ovaries
  3.    gibberellin in ovaries
  4.    cytokinin in ovaries
 Discuss Question
Answer: Option B. -> auxin in ovaries
Answer: (b).auxin in ovaries
Question 45. Key feature in vernalisation is
  1.    high temperature
  2.    low temperature
  3.    low moisture
  4.    high humidity
 Discuss Question
Answer: Option B. -> low temperature
Answer: (b).low temperature
Question 46. Passing out of placenta after birth is called
  1.    after birth
  2.    break down
  3.    birth release
  4.    birth exit
 Discuss Question
Answer: Option A. -> after birth
Answer: (a).after birth
Question 47. In ovary, second meiotic division occurs in the
  1.    primary oocyte
  2.    oogonia
  3.    secondary oocyte
  4.    ovum
 Discuss Question
Answer: Option C. -> secondary oocyte
Answer: (c).secondary oocyte
Question 48. Human embryo remains enclosed in a sac called
  1.    scrotum
  2.    pericardium
  3.    placenta
  4.    amniotic sac
 Discuss Question
Answer: Option D. -> amniotic sac
Answer: (d).amniotic sac
Question 49. In oestrous cycle, hormone that prepares uterus for conception is
  1.    testosterone
  2.    androgen
  3.    estrogen
  4.    thyroxine
 Discuss Question
Answer: Option C. -> estrogen
Answer: (c).estrogen
Question 50. In plants with alternation of generation, meiosis occurs during
  1.    transportation
  2.    sporogenesis
  3.    parthenogenesis
  4.    pollination
 Discuss Question
Answer: Option B. -> sporogenesis
Answer: (b).sporogenesis

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