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Q. No.Uricotelism is seen in all of the following organisms except:
1. Land snails
2. Insects
3. Terrestrial amphibians
4. Reptiles
Subtopic: Nitrogenous Excretory Products |
77%
From NCERT
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Consider the following statements:
An adult human being, on average, excretes
A: 1 to 1.5 liters of urine per day.
B: 25 to 30 grams of urea per day.
1. Only A is correct.
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.
An adult human being, on average, excretes
A: 1 to 1.5 liters of urine per day.
B: 25 to 30 grams of urea per day.
1. Only A is correct.
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.
Subtopic: Human Kidney: Location & Cut Section |
89%
From NCERT
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Consider the given two statements:
| Statement I: | Urea is used as an osmolyte in the human body. |
| Statement II: | Urea is produced in the human liver. |
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic: Nitrogenous Excretory Products |
85%
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ADH:
1. Only I is correct
2. Only II is correct
3. Neither I nor II are correct
4. Both I and II are correct
| I: | makes the collecting duct completely impermeable to water. |
| II: | causes vasoconstriction. |
1. Only I is correct
2. Only II is correct
3. Neither I nor II are correct
4. Both I and II are correct
Subtopic: Autoregulation of GFR |
70%
From NCERT
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Which of the following returns NaCl back to the medullary interstitium when kidney is producing concentrated urine?
1. Thin segment of ascending limb of loop of Henle
2. Ascending limb of Vasa recta
3. Descending limb of Vasa recta
4. Collecting tubule
1. Thin segment of ascending limb of loop of Henle
2. Ascending limb of Vasa recta
3. Descending limb of Vasa recta
4. Collecting tubule
Subtopic: Concentration of Urine |
63%
From NCERT
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Match the following excretory structures with their respective organisms:
Codes:
| Column I | Column II | ||
| A | Malpighian tubules | P | Earthworm |
| B | Green glands | Q | Insects |
| C | Flame cells | R | Planaria |
| S | Crustaceans |
| A | B | C | |
| 1. | Q | S | R |
| 2. | P | Q | R |
| 3. | Q | R | S |
| 4. | S | Q | P |
Subtopic: Disorders of Excretory System |
93%
From NCERT
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During concentration of urine by the human kidneys, an increasing osmolarity towards the medullary inner medullary interstitium is mainly caused by:
| 1. | NaCl and HCO3– | 2. | Urea and Uric acid |
| 3. | NaCl and Urea | 4. | H+ ions and TMAO |
Subtopic: Nephron Part 1 | Nephron Part 2 | Concentration of Urine |
88%
From NCERT
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Juxta glomerular apparatus is a special sensitive region formed by cellular modifications in the:
| 1. | proximal convoluted tubule and the afferent arteriole at the point of their contact. |
| 2. | distal convoluted tubule and the afferent arteriole at the point of their contact. |
| 3. | proximal convoluted tubule and the efferent arteriole at the point of their contact. |
| 4. | distal convoluted tubule and the efferent arteriole at the point of their contact. |
Subtopic: Formation of Urine |
75%
From NCERT
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Subtopic: Formation of Urine |
82%
From NCERT
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Protonephridia are osmoregulatory and excretory structures in all the following animals except:
1. Amphioxus
2. Flatworms
3. Rotifers
4. Crustaceans
1. Amphioxus
2. Flatworms
3. Rotifers
4. Crustaceans
Subtopic: Nitrogenous Excretory Products |
80%
From NCERT
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