Excretory Products and their Elimination MCQ Questions for Class 11 Biology Chapter 19 with Answers

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NCERT Chapters for Class 11 Biology


Q1. The plasma resembles in its composition with the filtrate produced in glomerulus except for the presence of

(i) Amino acids
(ii) Glucose
(iii) Chlorides
(iv) Proteins.


(iv) Proteins.


Q2. Loop of Henle lies in

(i) Medulla
(ii) Ureter
(iii) Cortex
(iv) Pelvis.


(i) Medulla.


Q3. Malpighian corpuscles are present in

(i) Cortex
(ii) Medulla
(iii) Germinal cells
(iv) None of the above


(i) Cortex


Q4. Which of the following can be cured by hemodialysis?

(i) Renal calculi
(ii) Glomerulonephritis
(iii) Uremia
(iv) All of these can be cured by hemodialysis


(iii) Uremia


Q5. Difference between glomerular filtrate and plasma is of

(i) Proteins
(ii) Potassium
(iii) First is white where as later is yellow
(iv) First is yellow whereas later is white


(i) Proteins


Q6. The retroperitoneal kidney is –

(i) Kidney of fish
(ii) Kidney covered by Peritoneum on Dorsal side
(iii) Kidney covered by Peritoneum on ventral side
(iv) Kidney uncovered by Peritoneum on ventral Side.


(iii) Kidney covered by Peritoneum on ventral side


Q7. pH of human urine is

(i) 7.0
(ii) 6.5
(iii) 6.0
(iv) 7.5


(ii) 6.5


Q8. The filtrate from the glomerulus contains

(i) Urea and uric acid
(ii) Urea, uric acid and ammonia
(iii) Urea, uric acid, ammonia and water
(iv) Urea, uric acid, glucose and water


(iv) Urea, uric acid, glucose and water


Q9. The major excretory organs in mosquitoes are

(i) Flame cells
(ii) Nephrons
(iii) Nephridia
(iv) Malpighian tubules.


(iv) Malpighian tubules.


Q10. Excretory product of mammals in mainly

(i) Uric acid
(ii) Ammonia
(iii) Urea
(iv) Creatinine.


(iii) Urea.


Q11. A patient suffering from cholera is given saline drip because

(i) Cl– ions are important component of blood plasma
(ii) Na+ ions help to retain water in the body
(iii) Na+ ions are important in transport of substances across membrane
(iv) Cl– ions help in the formation of HCl in stomach for digestion


(ii) Na+ ions help to retain water in the body


Q12. What happens when glomerular filteration rate falls?

(i) Activation of podocytes
(ii) Release of renin
(iii) Repression of juxta glomerular cells
(iv) None of the above


(ii) Release of renin


Q13. The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is

(i) 50 mm Hg
(ii) 75 mm Hg
(iii) 20 mm Hg
(iv) 30 mm Hg


(iii) 20 mm Hg


Q14. Excretory material are formed in

(i) Kidney
(ii) Rectum
(iii) Liver
(iv) Every body cell


(iv) Every body cell


Q15. JG cells release

(i) angiotensin II
(ii) aldosterone
(iii) renin
(iv) ANF


(iii) renin


Q16. The two kidneys lie in man

(i) At the level of ovaries
(ii) At the same level
(iii) Left kidney at a higher level than the right one
(iv) Right kidney at a higher level than the left one


(iii) Left kidney at a higher level than the right one


Q17. Mesonephric kidney develops from

(i) Anterior part of nephrotome
(ii) Middle part of nephrotome
(iii) Posterior part of nephrotome
(iv) None of the above


(ii) Middle part of nephrotome


Q18. A normal adult excretes urine per day

(i) 3-4 litres
(ii) 4-5 litres
(iii) 12-i5 litres
(iv) 2-3 litres.


(iii) 12-15 litres.


Q19. Mesonephric kidney develops from

(i) Anterior part of nephrotome
(ii) Middle part of nephrotome
(iii) Posterior part of nephrotome
(iv) None of the above


(ii) Middle part of nephrotome


Q20. The yellow pigment derived from heme breakdown and excreted by kidneys is

(i) Uric acid
(ii) Urochrome
(iii) Cholesterol
(iv) Melanin


(ii) Urochrome


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