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प्रश्न
Complete the following sentence with appropriate word:
Besides excretion, the kidneys also carry out the important function of ______.
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उत्तर
Besides excretion, the kidneys also carry out the important function of Osmoregulation.
संबंधित प्रश्न
The diagram given alongside shows a section of a human kidney. Study the diagram carefully and answer the questions that follow:
- Label the parts numbered 1 to 4.
- Why does part 2 have a striped appearance?
- What is the fluid that passes down part 4? Name the main nitrogenous waste present in it.
- Mention the structural and functional units of kidneys.
- Name the two major steps in the formation of the fluid mentioned in (c).
Correct the statement by changing the underlined word.
Normal pale colour of the urine is due to the presence of the pigment Melanin.
Name the procedure used in the working of artificial kidney.
Define excretion.
Given below is a set of five terms. Rewrite the terms in their correct order so as to be in logical sequence.
Renal artery, urethra, ureter, kidney, urinary bladder.
Correct and rewrite the statement by changing the biological term that is underlined for the statement:
The kidney is composed of number of neurons.
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
Name the Following
The division of the kidney which is light in colour and subdivided into conical renal pyramids.
Name the Following
The blood vessels which brings pure blood to the kidneys:
“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason.
