MCQ
Deforestation has an alarming effect on
- AIncrease in grazing area
- BSunlight
- CWeed control
- ✓Soil erosion or desertification of habitat
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| Column – I | Column $- II$ |
| $(1)$ Study of disease | $(p)$ Transgenic mice |
| $(2)$ Biological products | $(q)$ Testing toxicity of drug |
| $(3)$ Vaccine safety | $(r)$ Rheumatoid arthritis |
| $(4)$ Chemical safety | $(s)\; \alpha - 1$ Antitrypsin |