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

Conversion of ammonia to urea is done by ……..... cycle:

Which pair is correct:

1. Sweat = temperature regulation

2. Saliva = sense of food taste

3. Sebum = sexual attraction

4. Humerus = Hind leg

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

If Henle's loop was absent from mammalian nephron, which of the following is to be expected:
 

Uricotelism is found in:

1. Fishes and freshwater protozoans

2. Birds, reptiles, and insects

3. Frogs and toads

4. Mammals and birds 

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 

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 

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