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The excretory material in many bony fishes, aquatic amphibians, and aquatic insects that is generally eliminated by diffusion across body surfaces or through gill surfaces is

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Important Questions on Excretory Products and Their Elimination

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Protonephridia or flame cells are the excretory structures present in
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Antennal glands help in removal of nitrogenous wastes in
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Read the following statements and choose the correct option.

Statement A: Terrestrial adaptation necessitated the production of lesser toxic nitrogenous wastes like urea and uric acid for conservation of water.
Statement B: Ammonia is the least toxic form and requires large amounts of water for its elimination.

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The renal cortex extends between the medullary pyramids as
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The volume of blood filtered by kidneys per minute which constitutes roughly 20% of the blood pumped out by each ventricle of the heart in a minute is
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Nearly all of the essential nutrients and 70-80 percent of electrolytes and water are reabsorbed in which segment of nephron?
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Which hormone does not lead to reabsorption of Na+and water from the distal parts of the renal tubule?
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Filtrate in the nephron is called urine in the segment labelled:

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