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The foetal membrane which is the source of first blood corpuscle to enter the circulation of the embryo is called

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Important Questions on Human Reproduction

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NTA Errorless Biology Volume-2>Chapter 3 - Human Reproduction>Ordinary Thinking>Q 1
Foetal ejection reflex in human female is induced by
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The signals for parturition originate from
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NTA Errorless Biology Volume-2>Chapter 3 - Human Reproduction>Ordinary Thinking>Q 2
The layer of uterus which becomes much eroded due to placental villi is known as
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NTA Errorless Biology Volume-2>Chapter 3 - Human Reproduction>Ordinary Thinking>Q 3

The following figure refers to the human foetus within the uterus. Identify A to D correctly

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NTA Errorless Biology Volume-2>Chapter 3 - Human Reproduction>Ordinary Thinking>Q 4
To ensure effectiveness of reproduction in mammals
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NTA Errorless Biology Volume-2>Chapter 3 - Human Reproduction>Ordinary Thinking>Q 5
The role of the placenta is
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NTA Errorless Biology Volume-2>Chapter 3 - Human Reproduction>Ordinary Thinking>Q 6
Placenta produces which hormone?
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NTA Errorless Biology Volume-2>Chapter 3 - Human Reproduction>Ordinary Thinking>Q 7
The eutherian placenta is derived from or In mammals placenta is formed by
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NTA Errorless Biology Volume-2>Chapter 3 - Human Reproduction>Ordinary Thinking>Q 8
The placenta of human beings belong to the category of