Which of the following is true for $Nereis$,$Scorpion$,$Cockroach$,and $Silverfish$?
- AThey all possess jointed appendages.
- BNone of them are aquatic.
- CThey all possess a dorsal heart.
- DThey all belong to the same phylum.
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Which one of the following is not a deuterostome?
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View SolutionColumn-$I$ contains larval stages and column-$II$ contains the groups to which they belong. Match them correctly and choose the right answer.
Column-$I$ Column-$II$ $A$. Planula $1$. Coelenterata $B$. Tornaria $2$. Hemichordata $C$. Trochophore $3$. Annelida $D$. Bipinnaria $4$. Echinodermata $E$. Glochidium $5$. Mollusca
| Column-$I$ | Column-$II$ |
|---|---|
| $A$. Planula | $1$. Coelenterata |
| $B$. Tornaria | $2$. Hemichordata |
| $C$. Trochophore | $3$. Annelida |
| $D$. Bipinnaria | $4$. Echinodermata |
| $E$. Glochidium | $5$. Mollusca |
Make the correct pair:
$1. \text{ Osculum}$ $p. \text{ Fasciola}$ $2. \text{ Hypostome}$ $q. \text{ Ctenoplana}$ $3. \text{ Comb jellies}$ $r. \text{ Spongilla}$ $4. \text{ Hook and sucker}$ $s. \text{ Meandrina}$
| $1. \text{ Osculum}$ | $p. \text{ Fasciola}$ |
| $2. \text{ Hypostome}$ | $q. \text{ Ctenoplana}$ |
| $3. \text{ Comb jellies}$ | $r. \text{ Spongilla}$ |
| $4. \text{ Hook and sucker}$ | $s. \text{ Meandrina}$ |
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View SolutionWhich of the following are correctly matched with respect to their taxonomic classification?
MediumNEET 2013
View SolutionWhich of the following characteristics is not shared by birds and mammals?
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