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प्रश्न
Differentiate between:
Ureter and Urethra.
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उत्तर
| Ureter | Urethra |
| It transports urine from kidneys to the urinary bladder. | It transports urine from the urinary bladder to the exterior. |
| The sphincter muscle is absent. | It is guarded by a sphincter muscle. |
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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 |
Name the Following
The organ which produces urea.
If you donate one kidney to a needy patient, would it cause any harm to you? Give reason.
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'.
Answer the following question:
Explain the human excretory system with the help of a suitable diagram.
Complete the following sentence with appropriate words:
The outer surface of the kidney is ______ while the inner surface is ______.
Write the functional activity of the following structure: Renal vein
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
The tadpole of frog lives in water, hence its mode of excretion is ______.
Among the following animals, the best conserver of water is ______.
