Q. Urea in high concentration may cause damage to fishes so they retain a protecting chemical against urea called

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Q. Animals which do not require to adjust osmotic state with respect to their external environment, are termed as

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Q. Harmful chemicals and toxins are disposed off from body by help of

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Q. An animal which can survive in drastic conditions of desert by feeding on seeds of plants containing more carbohydrates is

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Q. Bats and humming birds are

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Q. Planarian excretory system is

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Q. 14 phalanges of toe is attached to

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Q. Metabolism of purine and pyrimidine results in formation of significant amount of

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Q. Most toxic excretory product which quickly dissolves in body fluids is

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Q. Cells of plants in deficiency of water synthesize large quantities of proteins called

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Q. Best remedy against an osteoporotic bone fracture is

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Q. In peritoneal dialysis, peritoneal cavity is filled with dialysis fluid through a

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Q. Less amount of nitrogen is present in

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Q. Mammals have a special organ for rapid heat production called

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Q. Tube by which urine is passed outside body is called

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Q. Inner end of nephrons is a cup shaped swelling structure known as

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Q. Amoeba and paramecium possess a specialized structures for removing water from body, called as

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Q. Homeostasis contributes in evolutionary process by compelling

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Q. System which is responsible for detecting change and signaling control system is called

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Q. Skull is made up of

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