111.  In humans after implantation what is the elaborate projection developed from trophoblast called ?

A. Embryonic Layer

B. Chorionic vili

C. Placenta

D. Umbilical cord

Answer : Option A

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112.  In humans embryonic development chorionicvilli which co-operate with the tissue of the mothers uterus to forms ...

A. Placenta

B. Umbilical cord

C. Amniotic cavity

D. Embryonic disc

Answer : Option C

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113.  Function of the placenta is ...

A. to deliver nutrients to embryo

B. to deliver oxygen to embryo

C. remove wastes from the embryonic blood

D. all of these

Answer : Option A

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114.  Which part present between placenta and embryo ?

A. Umbilical cord

B. Amniotic cavity

C. Embryonic disc

D. (b) & (c) both

Answer : Option C

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115.  Which hormones are not produced by placenta

A. hcG

B. hpL

C. estrogens

D. relaxin

Answer : Option B

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116.  The signals for parturition originate from ______

A. Fully developed foetus

B. placenta

C. Uterus

D. (a) & (b) both

Answer : Option B

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117.  At the time of delivery which hormones stimulate more frequent and powerful construction of the uterus ?

A. Oxytocin and Prostaglandins

B. Estrogen and Progesterone

C. Oxytocin and Vasopressin

D. Estrogen and Prostaglandins

Answer : Option B

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118.  During delivery which glands send signals for the release of oxytocin ?

A. Posterior Pituitary

B. Anterior Pituitary

C. Hypothalamus

D. None of this

Answer : Option A

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119.  After delivery mammary gland start producing milk, In milk which necessary substance is present for immunity ?

A. Lactose

B. Protein

C. Fat

D. Antibodies

Answer : Option D

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120.  After delivery mammary gland start producing milk, In milk which necessary substance is present for immunity ?

A. Lactose

B. Protein

C. Fat

D. Antibodies

Answer : Option D

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