8. The principle involved in dialysis is __________________.

9. Rubber is produced from ______________ of Heavea braziliensis.

10. ________________ performed first Kidney Transplantation.

Choose The correct Answers

11. The structural and functional unit of human kidney is called ( )

(A) Neuron   (B)nephron   (C)nephridia   (D)flame cell

12. The excretory organ in cockroch ( )

(A) malpighian tubules   (B) raphids   (C) ureters   (D) nephridia

13. Which of the following is the correct path taken by urine in our body? ( )

(i) Kidneys (ii) Ureters (iii) Urethra (iv) Urinary bladder (A) i, ii, iv, iii   (B) i, ii, iii, iv   (c) iv, iii, i, ii   (D) ii, iii, i, iv

14. Malpighian tubes are excretory organs in ( )

(A) earth worm   (B) house fly   (C) flat worm   (D) hen

15. Major component of urine is ( )

(A) urea   (B) sodium   (C) water   (D) creatine

16. Special excretory organs are absent in ( )

(A) birds   (B) amoeba   (C) sponges   (D) a and b

17. Which of the following hormone has direct impact on urination? ( )

(A) adrenal  (B) vasopressin  (C) testosterone  (D) Oestrogen

18. Amber colour to urine due to ( )

(A) urochrome  ( B) bilirubin   (C) biliverdin   (D) chlorides

19. Sequence of urine formation in nephron is ( ) 

(A)Glomerular filtration Tubular reabsorption Tubular secretion      (B)Tubular reabsorption Tubular secretion Glomerular filtration    (C)Tubular secretion Glomerular    filtration Tubular reabsorption    (D)Tubular reabsorption concentration of urine Tubular secretion

20. Part of the nephron that exists in outer zone of kidney. ( )

A) Loop of the henle    B) PCT    C) DCT    D) Bowman’s capsule

21. After having lunch or dinner one can feel to pass urine, because of a ( )

A) stomach pressures on bladder     B) solids become liquids    C) water content in food material    D) spincter relaxation