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प्रश्न
Put a tick mark (✓) against the most appropriate alternative in the following statement :
The kidneys are made up of tiny tubular units called :
पर्याय
glomerulus
nephrons
capillaries
neurons
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उत्तर
nephrons
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संबंधित प्रश्न
Name the following:
A chordate animal having flame cells as excretory structures
Find the odd one out. Give a reason for your choice.
ureter, kidney, urinary bladder, lung, urethra
One of Harry’s organs is not functioning properly. There is extra fluid build up in his body causing swelling in his ankles and feet.
What should Harry do? Tick the correct answer.
Which of Harry’s organs is not working properly?
Write the functional activity of the following structure:
Urethra
Differentiate between:
Excretion and Secretion.
Choose the Odd One Out:
Identify the CORRECT statement with respect to blood vessels associated with the kidney.
Arrange the following statements in the correct order in which they occur during the formation and removal of urine in human beings.
- Ureters carry urine to the urinary bladder.
- Wastes dissolved in water are filtered out as urine in the kidneys.
- Urine stored in the urinary bladder is passed out through the urinary opening at the end of the urethra.
- Blood containing useful and harmful substances reaches the kidneys for filtration.
- Useful substances are absorbed back into the blood.
The bunch of capillaries inside the Bowman’s capsule.
Match the terms given in Column I with their physiological processes given in Column II and choose the correct answer
| Column I | Column II |
| A. Proximal convoluted tubule | i. Formation of concentrated urine |
| B. Distal convoluted tubule | ii. Filtration of blood |
| C. Henle's loop | iii. Reabsorption of 70 - 80% of electrolytes |
| D. Counter-current mechanism | iv. Ionic balance |
| E. Renal corpuscle | v. Maintenance of concentration gradient in medulla |
