MCQ
Double fertilization and triple fusion were discovered by.
- AHofmeister.
- ✓Nawaschin and Guignard.
- CLeeuwenhoek.
- DStrasburger.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Choose the correct option for $A, B, C, D$ and $E$

Match List $I$ with List $II$ : Choose the correct answer from the options given below :
| List $I$ | List $II$ |
| $A.$ Down's syndrome | $I.$ $11^{th}$ chromosome |
| $B.$ $\alpha -$Thalassemia | $II.$ $X$ chromosome |
| $C.$ $\beta -$Thalassemia | $III.$ $21^{st}$ chromosome |
| $D.$ Klinefelter's syndrome | $IV.$ $16^{th}$ chromosome |