MCQ
Crystals Bt toxin produced by some bacteria do not kill the bacteria themselves because-
- ABacteria are resistant to the toxin
- ✓Toxin is inactive
- CToxin is mature
- DBacteria encloses toxin in a special sac
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| Column $- I$ | Column $- II$ |
| $(1)\; HIV$ | $(v)$ Oncogenic virus |
| $(2)$ Cancer | $(w)$ Micosporum Trichophyton |
| $(3)$ Allergens | $(x)$ Retrovirus |
| $(4)$ Ringworm | $(y)$ Colostrum |
| $(z)$ Serotonin |