MCQ
Enteronephric nephridia of earthworm are concerned with:
- ✓Excretion
- BRespiration
- CDigestion
- DOsmoregulation
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$(i)$ is released by sympathetic fibers
$(ii)$ is released by parasympathetic fibers
$(iii)$ increases the heart rate
$(iv)$ decreases blood pressure.
Which of the above statements are correct ?
| Column $- I$ | Column $- II$ |
| $(1)$ Imbricate | $(P)$ Gulmohur |
| $(2)$ Velvet | $(Q)$ Cotton |
| $(3)$ Twisted | $(R)$ Caltrops |
| $(S)$ Pea |