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STD 12 - 2. human reproduction — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 2. human reproduction1 Mark
MCQ
Choose the correct one
  • ✓
    $A -$ Chorionic villi $\rightarrow$ forms placenta
  • B
    $B$ - Yolk sac $\rightarrow$ Prevents desiccation of embryo
  • C
    $C$ - umbilical cord $\rightarrow$ Haemopoiesis
  • D
    $D -$ Blastocyst $\quad \rightarrow$ Forms the embryo
✓

Answer

Correct option: A.
$A -$ Chorionic villi $\rightarrow$ forms placenta
a
Chronic villi functions in transferring the nutrients from mother to the developing fetus. Placenta act as the interface between mother and fetus.

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