Questions
Which of the following animal groups is incorrectly paired with its characteristic?
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By Expert Faculty of Sri Chaitanya
a
Porifera : Central cavity called spongocoel lined by choanocytes
b
Mollusca : The body is covered by a chitinous exoskeleton
c
Cnidaria : Gastro-vascular cavity with a single opening, mouth on hypostome
d
Arthropoda : Jointed appendages help in locomotion
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Correct option is B
Body is covered by a calcareous shell in molluscs. Body is covered by chitinous exoskeleton in arthropods.
Similar Questions
Which of the following characteristic features holds true for all the animals of the corresponding group?
| Character | Phylum | |
| 1. | Hooks and Suckers | Platyhelminthes |
| 2. | Metamerism | Echinodermata |
| 3. | Jointed appendages | Annelida |
| 4. | Mantle | Mollusca |
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