What is the exoskeleton of fish made of?
- ABones
- BCartilage
- CScales
- DHair
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Match the following columns:
Column-$I$ Column-$II$ $I$. Choanocytes $p$. Cnidaria $II$. Cnidoblasts $q$. Platyhelminthes $III$. Flame cells $r$. Porifera $s$. Aschelminthes
| Column-$I$ | Column-$II$ |
| $I$. Choanocytes | $p$. Cnidaria |
| $II$. Cnidoblasts | $q$. Platyhelminthes |
| $III$. Flame cells | $r$. Porifera |
| $s$. Aschelminthes |
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View SolutionMatch the following columns.
$a$. Cellular level of organisation $1$. Cnidarians $b$. Organ level of organisation $2$. Platyhelminthes $c$. Organ system level of organisation $3$. Chordates $d$. Tissue level of organisation $4$. Porifera
Select the correct sequence for $a, b, c, d$.
| $a$. Cellular level of organisation | $1$. Cnidarians |
| $b$. Organ level of organisation | $2$. Platyhelminthes |
| $c$. Organ system level of organisation | $3$. Chordates |
| $d$. Tissue level of organisation | $4$. Porifera |
Select the correct sequence for $a, b, c, d$.
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