MCQ
Azolla forms symbiotic relationship with :
- AAzospirillum
- BAnabaena
- ✓Rhizobium
- DNostoc
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $-I$ | Column $-II$ |
| $(A)$ Physical barriers | $(1)$ Interferon |
| $(B)$ Physiological barriers | $(2)$ Leukocytes |
| $(C)$ Cellular barriers | $(3)$ Tears |
| $(D)$ Cytokinin barriers | $(4)$ skin |
$A$ $B$ $C$ $D$
Reason : Cancer is caused by damage to genes regulating the cell division cycle.