MCQ
Which excretory organ is used by humming bird?
- AProtonephridia.
- BNephridia.
- CMalpighian tubules.
- DKidneys.
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| List $- I$ | List $- II$ |
| $(a)$ Scapula | $(i)$ Cartilaginous joints |
| $(b)$ Cranium | $(ii)$ Flat bone |
| $(c)$ Sternum | $(iii)$ Fibrous joints |
| $(d)$ Vertebral column | $(iv)$ Triangular flat bone |
Choose the correct answer from the options given below.
$(a)- (b) -(c) -(d)$