- 1(current)
Q. No.To maintain the pH and ionic balance of the body fluids, the proximal convoluted tubule selectively secretes all the following into the filtrate except:
| I. | Hydrogen ion | II. | Potassium ion |
| III. | Ammonia | IV. | Bicarbonate ion |
1. I & II
2. II & III
3. II & IV
4. Only IV
Subtopic: Human Kidney: Location & Cut Section |
From NCERT
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Regarding the location of kidneys:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | They are located at the level of T12 – L2 vertebrae |
| II: | Left kidney is slightly lower placed than the right kidney |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Human Kidney: Location & Cut Section |
From NCERT
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Hints
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Identify the correct statements:
| I: | Each kidney of an adult human measures 10-12 cm in length, 5-7 cm in width and 2-3 cm in thickness. |
| II: | The DCTs of many nephrons open into a straight tube called collecting duct. |
| III: | Each nephron has two parts – the glomerulus and the renal tubule. |
| IV: | The renal tubule begins with the proximal convoluted tubule. |
| 1. | Only I and II | 2. | Only I, II and III |
| 3. | Only II and III | 4. | I, II, III and IV |
Subtopic: Human Kidney: Functions | Human Kidney: Location & Cut Section |
From NCERT
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
- 1(current)
Q. No.
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