Which one of the following is an excretory organ?
- AArchaeocyte
- BChoanocyte
- CPinacocyte
- DSolenocyte
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The excretory structure of $Amphioxus$ $(Cephalochordate)$ is:
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View SolutionSelect the correct option:
$(1)$ The excretory organ in prawns is the green gland / Malpighian tubules.
$(2)$ Renin is secreted by the $JGA$ / arterial wall.
$(1)$ The excretory organ in prawns is the green gland / Malpighian tubules.
$(2)$ Renin is secreted by the $JGA$ / arterial wall.
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View SolutionMatch the following columns:
Column-$I$ Column-$II$ $P$. Protonephridia / Flame cells $I$. Prawn $Q$. Nephridia $II$. Earthworm $R$. Malpighian tubules $III$. Cockroach $S$. Antennal gland / Green gland $IV$. Platyhelminthes,Rotifers,some Annelids and Amphioxus
| Column-$I$ | Column-$II$ |
| $P$. Protonephridia / Flame cells | $I$. Prawn |
| $Q$. Nephridia | $II$. Earthworm |
| $R$. Malpighian tubules | $III$. Cockroach |
| $S$. Antennal gland / Green gland | $IV$. Platyhelminthes,Rotifers,some Annelids and Amphioxus |
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