Concentration of urine depends upon which organ:

1. Bowman's capsule

2. Length of Henle's loop

3. P.C.T.

4. Network of capillaries arising from glomerulus

Subtopic:  Concentration of Urine: I |
 80%
From NCERT
AIPMT - 2000
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Conversion of ammonia to urea is done by ……..... cycle:

1. Ornithine cycle 2. Arginine cycle
3. Fumaric cycle 4. Citrulline cycle
Subtopic:  Formation of Urine |
 86%
AIPMT - 2000
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Which pair is correct:

1. Sweat = temperature regulation

2. Saliva = sense of food taste

3. Sebum = sexual attraction

4. Humerus = Hind leg

Subtopic:  Role of other Organs in Excretion |
 82%
From NCERT
AIPMT - 2000
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Saline solution is given to patients of Cholera because:

1. Na+ prevents water loss from the body

2. NaCl function as regulatory material

3. NaCl produces energy

4. NaCl is antibacterial

Subtopic:  Autoregulation of GFR |
 76%
AIPMT - 2000
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If Henle's loop was absent from mammalian nephron, which of the following is to be expected:
 

1. There will be no urine formation
2. There will be hardly any change in the quality and quantity of urine formed
3. The urine will be more concentrated
4. The urine will be more diluted
Subtopic:  Concentration of Urine: I |
 76%
From NCERT
AIPMT - 2003
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Uricotelism is found in:

1. Fishes and freshwater protozoans

2. Birds, reptiles, and insects

3. Frogs and toads

4. Mammals and birds 

Subtopic:  Nitrogenous Excretory Products |
 93%
From NCERT
AIPMT - 2004
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In the ornithine cycle which of the following wastes are removed from the blood:

1. CO2 and ammonia

2. Ammonia and urea

3. CO2 and urea

4. Urea and urine 

Subtopic:  Formation of Urine |
AIPMT - 2005
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The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is:

1. 20 mm Hg

2. 50 mm Hg

3. 75 mm Hg

4. 30 mm Hg 

Subtopic:  Formation of Urine: Ultrafiltration 1 |
AIPMT - 2005
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A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of:

1. Fats

2. Amino acids

3. Ketones

4. Glucose 

Subtopic:  Micturition Reflex |
 56%
AIPMT - 2005
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