MCQ
Which is a bioinsecticide?
- ACactoblastis cactorum
- BAnabaena
- ✓Bacillus thuringiensis
- DRhizobium
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| Column-l | Column-II |
| A. Cuticle | i. Guard cells |
| B. Bulliform cells | ii. Single layer |
| C. Stomata | iii. Waxy layer |
| D. Epidermis | iv. Empty colourless cell |
$(i)$ Fleming, Chain and Florey were awarded the Nobel prize in $1945$
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases
$(iii)$ Penicillin was used to treat American soldiers wounded in World War I