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

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$I.$ Sweet potato
$II.$ Potato
$III.$ Filippers of penguins and dolphins
$IV.$ Hearts of different vertebrate
$V.$ Forelimbs of whales, bat and cheetah
The correct option is
Label $A, B$ and $C$