10th Class Biology Chapter 4 TestHUMAN URINARY SYSTEM

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. What is the major dietry cause of kidney stones?

   1. Eating too much fruit

   2. Eating green vegetables and dairy products

   3. Drinking too much water

   4. Lack of salt in food

2. In peritoneal dialysis, what acts as the filtering membrane?

   1. Dialysis machine

   2. Renal cortex

   3. Peritoneal membrane

   4. Renal tubules

3. The primary substance reabsorbed in the descending limb of the loop of Henle:

   1. Proteins

   2. Urea

   3. Some water

   4. Salts

4. The funnel-shaped cavity where urine collects before entering the ureter is the:

   1. Renal cortex

   2. Bowman's capsule

   3. Renal pelvis

   4. Glomerulus

5. Which of the following is the first step in urine formation?

   1. Selective reabsorption

   2. Tubular secretion

   3. Pressure filtration

   4. Osmoregulation 

6. Which components of blood cannot pass into the Bowman's capsule during filtration?Water and glucose

   1. Water and glucose

   2. Urea and salts 

   3. Blood cells and large proteins

   4. Amino acids

7. What is the cup-shaped structure at the beginning of a nephron called?

   1. Glomerulus

   2. Bowman's capsule

   3. Loop of Henle 

   4. Collecting duct 

8. The final concentration of urine is adjusted by hormones acting primarily on the:

   1. Bowman's capsule

   2. Collecting duct

   3. Glomerulus

   4. Proximal tubule

9. The network of blood capillaries inside the Bowman's capsule is called:

   1. Renal pelvis

   2. Glomerulus 

   3. Renal cortex

   4. Ureter

10. The outer region of the kidney is:

    1. Renal medulla

    2. Renal cortex

    3. Renal pyramid

    4. Nephrons