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प्रश्न
The substance which is not reabsorbed into the blood capillaries surrounding the tuble of a nephron is mainly:
(a) glucose
(b) amino acid
(c) urea
(d) water
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उत्तर
(c) urea
Urea is not reabsorbed into the blood capillaries that surround the tubule of a nephron. However, glucose, amino acid and water are reabsorbed.
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संबंधित प्रश्न
The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :
(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).
Identify the odd one.
Where is the dirty blood in our body filtered?
What is the name of the tubes which connect the kidneys to bladder?
Describe the mechanism of urine formation in human excretory system. Draw a labelled diagram to illustrate your answer.
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One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.
Skin, liver, lungs, kidneys, excretion.
Write down the functional activity of the following parts,
Henle's loop ………………
Define the following term :
Renal pelvis
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A condition of failure of kidney to form urea is called ____________
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Write two differences in composition of the blood flowing through the blood vessels, 'A' and 'B'.
Complete the following sentence with appropriate word:
______ supplies blood to kidney.
Complete the following sentence with appropriate word:
Besides excretion, the kidneys also carry out the important function of ______.
Choose the correct option.
The minor calyx _______.
Choose the correct option.
The part of nephron which absorbs glucose and amino acid is ______.
Answer the following question.
Name any one guanotelic organism.
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
In a person the tubule part of the nephron is not functioning at all. What will its effect be on urine formation?
