MCQ
An annual ring is formed by
- ATwo consecutive rings of spring wood
- ✓Two alternate rings of spring wood and autumn wood
- CTwo consecutive rings of autumn wood
- DTwo alternate rings of sapwood and heartwood
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| List $I$ | List $II$ |
| $A.$ Axoneme | $I.$ Centriole |
| $B.$ Cartwheel pattern | $II.$ Cilia and flagella |
| $C.$ Crista | $III.$ Chromosome |
| $D.$ Satellite | $IV.$ Mitochondria |
Choose the correct answer from the options given below :
$R -$ Factors for coagulation of blood are always present in an active form.