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A coelenterate, commonly known as, water polyp, is-

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Important Questions on Animal Kingdom

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In some animals, body cavity is not lined by mesoderm. Instead the mesoderm is present as scattered pouches in between the ectoderm and endoderm. Such a body cavity is called
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Which of the following features are common in silver fish, scorpion, dragon fly and prawn?
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Green glands are excretory organs in
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Which of the following are pseudocoelomate?
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Nephridia help in excretion and osmoregulation in-
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Which of the following is correct about reproduction in arthropods?
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Exoskeleton of arthropods is chitinous and is shed at intervals, for growth and development, process known as