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MCQs

Total Questions : 74 | Page 7 of 8 pages
Question 61. Gastrulation occurs during the 2nd week of embryonic development.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 62. Cleavage begins at ____________
  1.    Vagina
  2.    Ovary
  3.    Uterus
  4.    Oviduct
 Discuss Question
Answer: Option D. -> Oviduct
Answer: (d).Oviduct
Question 63. The trophoblast gives rise to ___________
  1.    Chorion
  2.    Neurula
  3.    Allantois
  4.    Placenta
 Discuss Question
Answer: Option A. -> Chorion
Answer: (a).Chorion
Question 64. The cavity inside the blastula is called as _____________
  1.    Blastocoel
  2.    Blastomere
  3.    Gastrula
  4.    Animal pore
 Discuss Question
Answer: Option A. -> Blastocoel
Answer: (a).Blastocoel
Question 65. In the 3rd week embryo begins the implantation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 66. The extra embryonic structure that provides nutrition to the embryo is ______________
  1.    Chorion
  2.    Placenta
  3.    Amnion
  4.    Umblicus
 Discuss Question
Answer: Option B. -> Placenta
Answer: (b).Placenta
Question 67. The initial step during fertilization is _________________
  1.    Penetration of sperm into egg
  2.    Fertilizin and antifertilizin reaction
  3.    Formation of fertilization membrane
  4.    Formation of fertilization cone
 Discuss Question
Answer: Option B. -> Fertilizin and antifertilizin reaction
Answer: (b).Fertilizin and antifertilizin reaction
Question 68. The lining of uterus to which the embryo implants is called as ______________
  1.    Coccyx
  2.    Trohoblast
  3.    Yolk plug
  4.    Endometrium
 Discuss Question
Answer: Option D. -> Endometrium
Answer: (d).Endometrium
Question 69. Fertilization of sperm and ovum takes place in _____________
  1.    Ampulla of oviduct
  2.    Isthmus of oviduct
  3.    Fimbriae of oviduct
  4.    Uterus
 Discuss Question
Answer: Option A. -> Ampulla of oviduct
Answer: (a).Ampulla of oviduct
Question 70. The notochord is essential for all except ____________
  1.    to develop into mesoderm
  2.    to establish axis of the body
  3.    to establish nervous tissue in ectoderm
  4.    influence embryonic folding
 Discuss Question
Answer: Option A. -> to develop into mesoderm
Answer: (a).to develop into mesoderm

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