MCQ
The enzyme enterokinase helps in the conversionof:
- APepsinogen into pepsin.
- BCaseinogen into casein.
- ✓Trypsinogen into trypsin.
- DProteins into polypeptides.
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| Column $- I$ (Organism) |
Column $-II$ (Excretory |
||
| $A$ | Cockroach | $I$ | Nephridia |
| $B$ | Cat fish | $II$ | Malpighian tubules |
| $C$ | Earthworm | $III$ | Kidneys |
| $D$ | Balanoglossus | $IV$ | Flame cells |
| $E$ | Flatworm | $V$ | Proboscis gland |
| Organisms | Characteristics |
| ($a$) Platyhelminthes | ($i$) Cylindrical body with no segmentation |
| ($b$) Echinoderms | ($ii$) Warm blooded animals with direct development |
| ($c$) Hemichordates | ($iii$) Bilateral symmetry with incomplete digestive system |
| ($d$) Aves | ($iv$) Radial symmetry with indirect development |