Assertion $A$: Annelids exhibit extracellular digestion.
Reason $R$: The digestive tract in annelids is complete.
Which option is correct for Assertion $A$ and Reason $R$?
Reason $R$: The digestive tract in annelids is complete.
Which option is correct for Assertion $A$ and Reason $R$?
- A$A$ and $R$ are both true and $R$ is the correct explanation of $A$.
- B$A$ and $R$ are both true but $R$ is not the correct explanation of $A$.
- C$A$ is true and $R$ is false.
- D$A$ is false and $R$ is true.
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Which is not a feature of $Annelida$?
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View SolutionRead the following four statements $(A-D)$:
$(A)$ Annelids possess only longitudinal muscles which help in locomotion.
$(B)$ Nephridia do not help in excretion and osmoregulation.
$(C)$ Closed type circulatory system is present in most of annelids.
$(D)$ Members of phylum Annelida are triploblastic,metamerically segmented,and acoelomate.
How many of the above statements are incorrect?
$(A)$ Annelids possess only longitudinal muscles which help in locomotion.
$(B)$ Nephridia do not help in excretion and osmoregulation.
$(C)$ Closed type circulatory system is present in most of annelids.
$(D)$ Members of phylum Annelida are triploblastic,metamerically segmented,and acoelomate.
How many of the above statements are incorrect?
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