Kingdom Animalia — Important Questions
Maharashtra Board · Class 11 · Biology
45 important questions from Kingdom Animalia for Maharashtra Board Class 11 Biology, with answers. Includes multiple choice and multiple correct questions.
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Important Questions from Kingdom Animalia
Which of the following are characteristics of Phylum Porifera?
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Presence of ostia and osculum, Choanocytes present, Canal system for water circulation
Poriferans (sponges) have ostia for water entry, osculum for water exit, choanocytes (collar cells) for creating water current, and canal system. They are asymmetrical and lack cnidoblasts.
Which of the following animals belong to Phylum Echinodermata?
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Sea star, Sea cucumber, Sea urchin
Echinoderms include sea star (Asterias), sea cucumber (Cucumaria), and sea urchin (Echinus). Octopus and squid belong to Mollusca.
What is the respiratory pigment found in most molluscs?
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Haemocyanin
Molluscs have haemocyanin, a copper-containing blue respiratory pigment in their blood, unlike hemoglobin which contains iron.
Cnidoblasts are characteristic features of which phylum?
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Cnidaria
Cnidoblasts or stinging cells are unique to Cnidarians. They are used for capturing prey, defense, and anchorage. Ctenophores have colloblasts instead.
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