NEETZoology-Human Reproduction
NEET Zoology Development of Embryo MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The figure given below represents human foetus within the uterus. Identify A, B, C and D. Choose the correct option.
A
A⁻Yolk sac; B⁻Cavity of uterus; C⁻Mucus plug; D⁻Placental villi
B
A⁻Yolk sac; B⁻Mucus plug in cervix; C⁻Placental villi; D⁻Cavity of uterus
C
A⁻Umbilical cord; B⁻Mucus plug, C⁻Cavity of uterus; D⁻Placental villi
D
A⁻Yolk sac; B⁻Placental villi; C⁻Mucus plug; D⁻Cavity of uterus
Correct Answer
Option D
Detailed Explanation
The yolk sac is an early source of nutrients for the embryo. Placental villi are structures that increase the surface area for exchange between maternal and fetal blood. The mucus plug protects the uterus from infections.
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