Q. Animals which excrete urea are known as ____________

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Q. Which of the following nephridia are not found in earthworm?

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Q. Excretory waste of birds and reptiles are _________

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Q. Which of the following is the only vertebrate osmoconformer?

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Q. Sea gulls excrete salts from ___________

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Q. Simultaneous movement of two molecules across a membrane in the same direction is known as _______

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Q. A condition in which body’s internal environment remains nearly constant is called as _________

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Q. The presence of arginase confirms that ___________

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Q. Removal of amino group to transform into keto acid is called ___________

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Q. In the ornithine cycle which of the following waste is removed from the blood?

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Q. The function of flame cell is ____________

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Q. Urea is directly produced in mammals from ___________

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Q. Which blood vessel carries the least amount of urea?

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Q. The amino acid that acts as carrier of ammonia from skeletal muscle to the liver is ____________

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Q. Primary excretory organs are kidneys while accessory excretory organs urinary bladder.

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Q. Which of the following facilitates reabsorption of water by nephron?

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Q. Main function of Henle’s loop is ___________

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Q. What is the function of ADH?

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Q. Glucose is mainly reabsorbed in _______

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Q. Part of nephron impermeable to salt is ____________

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