Osmoregulation

Q. List the hormones secreted by kidney.

Q.

Indicate whether thefollowing statements are true or false:

(a) Micturitionis carried out by a reflex.

(b) ADH helps in waterelimination, making the urine hypotonic.

(c) Protein-free fluidis filtered from blood plasma into the Bowman’s capsule.

(d) Henle’s loopplays an important role in concentrating the urine.

(e) Glucose is actively reabsorbed inthe proximal convoluted tubule.

Q. Increase in production of ADH leads to ___

1. Increase in water retention by kidney
2. Decrease in water retention by kidney
3. Increase in ion exchange by kidney
4. Decrease in ion exchange by kidney

Q. The organisms which are adapted to a narrow range of salinity are called:

1. Stenohaline
2. Euryhaline
3. Stenothermic
4. Eurythermic

Q.

What is meant by theterm osmoregulation?

Q. Give appropriate biological or technical terms for the process of maintaining water and salt balance in the blood.

Q.

Indicate whether the following statements are true or false:

(a) Micturition is carried out by a reflex.

(b) ADH helps in water elimination, making the urine hypotonic.

(c) Protein-free fluid is filtered from blood plasma into the Bowman’s capsule.

(d) Henle’s loop plays an important role in concentrating the urine.

(e) Glucose is actively reabsorbed in the proximal convoluted tubule.

Q.

What is meant by the term osmoregulation?