✓✗Which of the following statements are correct?
A. Each kidney weighs about 120-170 g.
B. The outer layer of the kidney is a tough capsule.
C. The renal pelvis has projections called calyces.
D. The hilum is on the outer convex surface of the kidney.
Choose the correct answer from the options given below.

✓✗Which of the following statements is incorrect?

✓✗Which of the following statements are correct?
A. The PCT is highly coiled.
B. The DCT is highly coiled.
C. The loop of Henle is hairpin-shaped.
D. The collecting duct is highly coiled.
Choose the correct answer from the options given below.

✓✗An advantage of excreting nitrogenous wastes as uric acid is that

✓✗Which of the following statements is correct?

✓✗As the filtrate moves up the ascending limb of Henle's loop, it becomes

✓✗Glomerular filtration is caused mainly by the

✓✗Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): The collecting duct is not a part of a nephron.
Reason (R): The collecting duct receives filtrate from the DCTs of many nephrons.
In the light of the above statements, choose the correct answer from the options given below.

✓✗Collecting ducts open into the renal pelvis through the

✓✗A fall in GFR is corrected by the JG cells, which release renin. Renin

✓✗Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Uricotelic animals conserve water.
Reason (R): Uric acid is excreted as a pellet or paste with minimum loss of water.
In the light of the above statements, choose the correct answer from the options given below.

✓✗Which of the following is the most toxic nitrogenous waste?

✓✗The three layers through which blood is filtered in the glomerulus are the

✓✗Which of the following statements about ammonia as a nitrogenous waste is correct?

✓✗A drop in the secretion of ADH would lead to