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Write 'true' or 'false'. If false, write the correct statement.
Arthropods have an exoskeleton made up of chitin.
Important Questions on Diversity in Living Organisms

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Which among the following have open circulatory system?
(i) Annelida
(ii) Coelenterata
(iii) Mollusca
(iv) Arthropoda

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Which among the following have scales?
(i) Pisces
(ii) Amphibians
(iii) Mammals
(iv) Reptiles

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