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प्रश्न
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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उत्तर
2/Efferent arteriole
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).
Name a waste gas released by the plants only during the night time.
The excretory unit in the human excretory system is called:
Fill in the blank.
.................. produces bile pigments from the heamoglobin of broken RBCs.
Answer the following in detail.
Describe the process of urine formation.
Answer the following in detail.
Explain the process of transpiration. Describe some factors that affect it.
Label the diagram given below :
Write the functional activity of the following structure: Nephron
Choose the Odd One Out:
