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Question
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Which structure contains the lowest concentration of urea?
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Solution
2/Efferent arteriole
RELATED QUESTIONS
The given diagram represents a nephron and its blood supply. Study the diagram and answer the following questions:
(i) Label parts 1, 2, 3 and 4.
(ii) State the reason for the high hydrostatic pressure in the glomerulus.
(iii) Name the blood vessel which contains the least amount of urea in this diagram.
(iv) Name the two main stages of urine formation.
(v) Name the part of the nephron which lies in the renal medulla.
What is the name of the tubes which connect the kidneys to bladder?
Given below is a simplified diagram of the human kidney cut open longitudinally. Answer the questions that follow.
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- Define excretion.
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- Why does the medulla of the kidney show a striped appearance?
- Write two differences in the composition of the blood flowing through the blood vessels 'A' and 'B'.
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'.
Choose the Odd One Out:
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Name any one guanotelic organism.
Identify the INCORRECT match.
Two green plants are kept separately in oxygen-free containers, one in the dark and the other in continuous light. Which one will live longer? Give reasons.
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