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Earn 100

In protozoa like Amoeba for osmoregulation which structure is responsible
(a)
Contractile vacuole
(b)
Mitochondria
(c)
Nucleus
(d)Food vacuole

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Important Questions on Excretory Products and Their Elimination
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Uricotelism is found in:

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The net pressure gradient that causes the fluid to filter out from the glomeruli into the capsule is:

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If Henle's loop were absent from mammalian nephron, which of the following is to be expected?

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When a fresh-water protozoan possessing a contractile vacuole is placed in a glass containing marine water, the vacuole will:

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Angiotensinogen is a protein produced and secreted by:

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A person is undergoing prolonged fasting, his urine will be found to contain abnormal quantities of:

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Consider the following four statements (A-D) about certain desert animals such as kangaroo rat-
(A) They have dark colour and high rate of reproduction and excrete solid urine
(B) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs
(C) They feed on dry seeds and do not require drinking water
(D) They excrete very concentrated urine and do not use water to regulate body temperature.
Which two of the above statements for such animals are true?

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Uric acid is the chief nitrogenous component of the excretory products of:
