Available Answers

1. 1.

   Write true or false. Correct the false statements.

   1. The organs that help our body to get rid of waste are called respiratory organs.
   2. Liver produces bile pigments from the haemoglobin of dead RBCs.
   3. Each kidney contains millions of microscopic filtering units called ureters.
   4. The Bowman's capsule and glomerulus together form the Malpighian body.
   5. Water is reabsorbed by the renal blood capillaries during filtration.
2. 2.

   Tick the most appropriate answer.

   1. Nitrogenous waste products are removed through
      1. lungs.
      2. kidneys.
      3. sweat glands.
      4. liver.
   2. The opening at the bottom of the urinary bladder is called
      1. nephron.
      2. uriniferous tubule.
      3. urethra.
      4. nephridia.
   3. The functional unit of a kidney is called
      1. nephron.
      2. glomerulus.
      3. uriniferous tubule.
      4. ureter.
   4. The Bowman's capsule and glomerulus together form the 
      1. urinary body.
      2. renal tubule.
      3. Malpighian body.
      4. urinary tubule.
   5. Blood containing waste material enters the kidneys through the 
      1. renal artery.
      2. renal vain.
      3. portal artery.
      4. portal vein.
   6. Urinary tract infections occur to
      1. E. coli.
      2. Azotobacter.
      3. Lactobacillus.
      4. Nitrosomonas.
3. 3.

   Fill in the blanks.

   1. ________________ produces bile pigments from the haemoglobin of broken RBCs.
   2. ________________ are a pair of reddish-brown, bean-shaped structures that lie on the either side of the backbone.
   3. Urine contains ________________, ________________ and ________________ as nitrogenous waste.
   4. ________________ carries urine from the kidney to the urinary bladder.
   5. The network of blood capillaries inside the Bowman's capsule is called ________________.
4. 4.

   Differentiate between kidneys and urinary bladder.

5. 5.

   Differentiate between ureter and urethra.

6. 6.

   Differentiate between Bowman's capsule and Glomerulus.