Q. Higher chordates have a specialized notochord called

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Q. Pores which helps in removal of water from body of sponges are called

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Q. Animals from Grade Bilateria have well defined

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Q. Liver oil which is used in medicine as a source of multivitamin (A and D) is obtained from

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Q. Bulb like cells which are performing eccretory functions are

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Q. Well developed nervous system of Platyhelminthes composed of network of

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Q. Segments in body of Annelids are separated with help of

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Q. Organ of voice in bird is called a

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Q. Stinging cells which are organs of offense and defense are called

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Q. Largest living vertebrates are known to be

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Q. Heart of class cyclostomatous have a heart with one

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Q. Free living specie that feed on small animals and bodies of deads and decaying is

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Q. Birds are

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Q. Eutheria is class of mammals which include placental mammals including

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Q. Class cyclostomatous includes living vertebrates which are most primitive and lack

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Q. Cleavage of zygote is spiral and determinate in

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Q. In jelly fish, poly is reduced and medusae is

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Q. Red blood cells of mammals are

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Q. Presence of bony brain in chordates is called as

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Q. In America, roads are made by using tar mixed with shells of

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