MCQ
Commercial extraction of penicillin was done by
- AAlexander Fleming
- BErnest Chain
- CHoward Florey
- ✓More than one option is correct
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| Genus name | Two characters | Class/Phylum | |
| $(a)$ | Ascaris | $(i)$ Body segmented | Annelida |
| $(ii)$ Males and females distinct | |||
| $(b)$ | Salamandra | $(i)$ A tympanum represents ear | Amphibia |
| $(ii)$ Fertilization is external | |||
| $(c)$ | Pteropus | $(i)$ Skin possesses | Mammalia |
| $(ii)$ Oviparous | |||
| $(d)$ | Aurelia | $(i)$ Cnidoblasts | Coelenterata |
| $(ii)$ Organ level of organization |
| A. Multiload 375 | I. Pills |
| B. Vasectomy | II. Sterilisation |
| C. Saheli | III. IUD |