Tuesday, March 26, 2024

19. Excretory Products and their elimination Class XI

1. Main function of uriniferous tubules

a) Concentration of urine

b) Passage of urine

c) Reabsorption of useful substances from glomerular filtrate

d) Removal of urea and other waste from blood

Answer

Ans.(a)


2. The mechnism of urine foundation nephrone involves

a) Utrafication

b) Secretion

c) Reabsorption

d) All of above

Answer

Ans.(b)


3. Which hormone induced the process of reabsorption from glomerouous?

a)Oxytosin

b) Vasopression

c) Relkgin

d) Calsitonin

Answer

Ans.(b)


4. Glucose is reabsorbed from glomerular filterate though

a) Active transport

b) Passive transport

c) Osmosis

d) Difusion

Answer

Ans.(d)


5. Excretory product of birds and raptiles is

a)Urea

b) Uric acid

c) Ammonia

d) Creatinin

Answer

Ans.(a)


6. Part not belonging to urinferous tubule is

a) Glomerules

b) Henle’s loop

c) Distalconvoluted tuble

d) Connecting tubule

Answer

Ans.(d)


7. The two kidneys lie:

a) At the level of ovaries

b) At the same level

c) Left kidneyat a higher level than the right one

d) Right kidneyat a higher level than the left one

Answer

Ans.(b)


8. Which blood vessel takes blood awayfrom kidney?

a) Renalportal vein

b) Renalvein

c) Afferent arteiote

d) Efferent artribute

Answer

Ans.(a)


9. Which hormone influence the activity of kidney?

a) Vasopression

b) Thyoxine

c) Vasopression & aldosterone

d) Gonadotrophin

Answer

Ans.(b)


10. If liver frombody is removed then which component of blood increases

a) Ammonia

b) Protein

c) urea

d) Uric acid

Answer

Ans.(a)


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