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प्रश्न
What job is done by the kidneys?
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उत्तर
Kidneys filter the wastes out of the blood and form the urine. They also maintain the water balance of the body.
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संबंधित प्रश्न
Match structures given in Column I with functions given in Column II.
| Column I | Column II | ||
| (i) | Stomata | (a) | Absorption of water |
| (ii) | Xylem | (b) | Transpiration |
| (iii) | Root hairs | (c) | Transport of food |
| (iv) | Phloem | (d) | Transport of water |
| (e) | Synthesis of carbohydrates |
Mention the exact location of the Prostate gland.
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.
Name the two parts of a plant through which its gaseous waste products are released into the air.
Name the two waste products of the human body which are produced in the body cells.
Fill in the following blank with suitable word:
Gums and resins are the .......... products of plants.
Why is excretion necessary in living beings?
Differentiate between
tannins and resins
Define the following term:
Osmoregulation
Look at the figure given below. It is a section of human kidney as seen from the front.
Which area/part (give its name and number given on the diagram) which contains the following:
(i) Malpighian capsule
(ii) The pyramids
(iii) Freshly collected urine
Name the Following
The process by which kidneys regulate the water content of the body.
Name the Following
The substance found in excess in the urine of a diabetic patient.
Write the functional activity of the following structure:
Glomerulus
Choose the Odd One Out:
Choose the correct option.
The minor calyx _______.
Answer the following question.
Birds are uricotelic in nature. Give reason.
“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason.
Give two examples of the following:
Nitrogenous waste
