Q. Fishes keep themselves balance in water while swimming by its

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Q. Animals which possesses flame cells, excretory ducts and excretory pores are termed as

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Q. Multicellular animals are distinguish from unicellular by name

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Q. Birds have developed a thick muscular organ which helps in crushing of food called

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Q. Tape worm can regrow in beef. If its head remain inside intestine needs medication for complete removal, so physicians may also prescribe

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Q. Rasping tongue like structure present on body of molluscus is

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Q. Larynx and epiglottis is well developed and present in

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Q. Archaeopteryx was size of a

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Q. Animals which have organized tissue and organ systems are

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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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