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प्रश्न
Put a tick mark (✓) against the most appropriate alternative in the following statement :
In human beings, urea is produced in :
पर्याय
liver
kidney
spleen
urinary bladder
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उत्तर
liver
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संबंधित प्रश्न
What are the methods used by plants to get rid of their waste products?
Draw a neat labelled diagram of the human excretory system.
Differentiate between
excretion and transpiration
Given below is a set of five terms. Rewrite the terms in their correct order so as to be in logical sequence.
Afferent arteriole, renal vein, secondary capillary network, glomerulus, efferent arteriole.
Given below is a diagram of a human kidney, cut open longitudinally. Answer the following:
(i) Give definition of excretion.
(ii) Name the unit of kidney.
(iii) Why does the cortex of kidney show dotted appearance?
(iv) List the functions of the kidney.
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Mention two functions of the kidney.
Complete the following sentence with appropriate word:
Besides excretion, the kidneys also carry out the important function of ______.
Write the functional activity of the following structure: Renal artery
The mode of excretion of nitrogenous wastes like ammonia which takes place by simple diffusion is called ______.
Give two examples of the following:
Main excretory organs
