MCQOPTIONS
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| 1. |
Exoskeleton of which phylum consists of chitinous cuticle ? (J & K CET-2007) |
| A. | Annelida |
| B. | porifera |
| C. | Arthropoda |
| D. | Echinodermata |
| E. | Bufo |
| Answer» D. | |