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Match the items given in Column I with those in Column II and select the correct option given below : 

 

Column I

(Function)

 

Column II

(Part of Excretory System)

a. Ultrafiltration i. Henle's loop
b. Concentration of urine ii. Ureter
c. Transport of urine iii. Urinary bladder
d. Storage of urine iv. Malphigian corpuscle
    v. Proximal convoluted tubule

 

  • Option 1)
    a b c d
    v iv i ii

     

  • Option 2)
    a b c d
    iv i ii iii
  • Option 3)
    a b c d
    iv v ii iii
  • Option 4)
    a b c d
    v iv i iii
 

Answers (2)

As we learnt in

Excretory Structures among Various Groups of Animals -

Insects like cockroaches

- wherein

Malpighian tubules are the excretory structures of most of the insects including cockroaches. Malpighian tubules help in the removal of nitrogenous wastes and osmoregulation.

 

Ultrafiltration refers to filtration of very fine particles having molecular weight less than 68,000 daltons through malpighian corpuscle. Concentration of urine refers to water absorption from glomerular filtrate as a result of hyperosmolarity in the medulla created by counter-current mechanism in  Henle's loop. Urine is carried from kidney to bladder hrough ureter.

Urinary bladder is concerned with storage of urine.

 


Option 1)

a b c d
v iv i ii

 

This is incorrect.

Option 2)

a b c d
iv i ii iii

This is correct.

Option 3)

a b c d
iv v ii iii

This is incorrect.

Option 4)

a b c d
v iv i iii

This is incorrect.

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