Which of the following nitrogenous waste is least toxic and can be removed with minimum loss of water?

1. Urea

2. Ammonia

3. Degraded products of hormones

4. Uric acid 

During the process of micturition:

Which is correctly matched? 

1. Bowman's capsule - Ultrafiltration and secretion
2. Collecting duct - absorption of large amount of Urea
3. Ascending part of loop of Henle - Secretion of Glucose and amino acids
4. DCT - Reabsorption of HCO${}_3^{-}$

The extensions of cortex between the medullary pyramids are called

(1) Renal columns of Bellini

(2) Renal columns of Bertini

(3) Renal papillae

(4) Minor calyces

Which of the following is correct about juxtamedullary nephrons?

1. They lack vasa recta

2. They are about 85% of the nephrons

3. Their glomeruli are in the outer cortex

4. They have long loops of Henle and are placed deep into the medulla

70 to 80 percent of electrolytes and water are
reabsorbed in

(1) Distal convoluted tubule

(2) Proximal convoluted tubule

(3) Ascending limb of Loop of Henle

(4) Descending limb of Loop of Henle

Which of the following is almost completely reabsorbed by active reabsorption in the nephrons of a healthy person?

1. Urea

2. Creatinine

3. Glucose

4. Water

This hormone promotes loss of sodium and water in urine, thereby increasing urinary output. This hormone is released from

1. JG cells

2. Liver

3. Medulla

4. Atrial walls of heart

Sebaceous gland secretion mainly contains

1. Amino acids and glucose

2. Sterols and lactic acid

3. NaCl and wax

4. Sterols and hydrocarbons