MCQ
The double helix model of Watson and Crick is known as:
- A$\text{C-DNA}$
- ✓$\text{B-DNA}$
- C$\text{Z-DNA}$
- D$\text{D-DNA}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| S.No. | Column$-I$ | Column$-II$ | |
| $A.$ | Amoebiasis | $i$ | Teporema pallidum. |
| $B.$ | Diphtheria | $ii$ | Use only sterilized food and water. |
| $C.$ | Cholera | $iii$ | $\text{DPT}$ vaccine. |
| $D.$ | Syphilis | $iv$ | Use oval rehydration therapy. |