MCQ
Ozone protects biosphere from high energetic :
- AInfra-red rays
- ✓Ultraviolet rays
- CX-rays
- DGamma rays
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $- I$ | Column $- II$ |
| $(A)$ Physiological barrier | $(1)$ Skin |
| $(B)$ Cellular barrier | $(2)$ Macrophages |
| $(C)$ Physical barriers | $(3)$ interferons |
| $(D)$ Cytokine barriers | $(4)$ Tears |
| $(5)$ Mucus |
