Question

15. Major component of urine is :
A) urea
D) creatine
B) sodium
C) water
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) bilerubine
C) bileverdine
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
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) sphincter relaxation​

Answer 1

Answer:

water chlorides A A A are the answers respectively

Answer 2

Answer:

15. major part of urine contains urea.

16. amoeba

17.adrenal

18.urochrome

19.glomerular filtration tubular reabsorption tubular secretion.

20.bowman

21.stomach pressure on bladder.

Explanation:

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