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In which of the following animals, digestive tract has additional chambers like crop and gizzard?

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Important Questions on Animal Kingdom

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Match List-I with List-II.

List-I List-II
(a) Physalia (i) Pearl oyster
(b) Limulus (ii) Portuguese Man of War
(c) Ancylostoma (iii) Living fossil
(d) Pinctada (iv) Hookworm
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Which one of the following organisms bears hollow and pneumatic long bones?
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Read the following statements.
(a) Metagenesis is observed in Helminths.
(b) Echinoderms are triploblastic and coelomate animals.
(c) Round worms have organ-system level of body organization.
(d) Comb plates present in ctenophores help in digestion.
(e) Water vascular system is characteristic of Echinoderms.
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Match List-I with List-II.

List-I List-II
(a) Metamerism (i) Coelenterata
(b) Canal system (ii) Ctenophora
(c) Comb plates (iii) Annelida
(d) Cnidoblasts (iv) Porifera
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Which of the following options does correctly represent the characteristic features of phylum Annelida?
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Match the following group of organisms with their respective distinctive characteristics and select the correct option:

Organisms Characteristics
(a) Platyhelminthes (i) Cylindrical body with no segmentation
(b) Echinoderms (ii) Warm-blooded animals with direct development
(c) Hemichordates (iii) Bilateral symmetry with incomplete digestive system
(d) Aves (iv) Radial symmetry with indirect development
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Match the following columns and select the correct option:-

Column-I Column-II
(a) Aptenodytes (i) Flying fox
(b) Pteropus (ii) Angel fish
(c) Pterophyllum (iii) Lamprey
(d) Petromyzon (iv) Penguin
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All vertebrates are chordates but all chordates are not vertebrates, why?