MCQ
Anus is absent in
- ✓Fasciola
- BPheretima
- CPeriplaneta
- DUnio
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$2.$ Aerobic bacteria find oxygen near the algae toutilize $O_2$
| Gland | Secretion | Effect on body |
| $A$ | Estrogen | Maintenance of secondary sexual characters |
| Alpha cells of Islets of Langerhans | $B$ | Raises blood sugar level |
| Anterior pituitary | $C$ | Over secretion leads to gigantism |