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

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

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 19 Excretory Products and their Elimination with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Excretory Products and their Elimination Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.


Q1. Diameter of the renal afferent arterioles is

(a) Same as that of efferent
(b) Smaller than that of efferent
(c) Larger than that of efferent
(d) There is no efferent vessel

(c) Larger than that of efferent


Q2. Which pair is correct-

(a) Sweat = temperature regulation
(b) Saliva = sense of food taste
(c) Sebum = sexual attraction
(d) Humerus = Hind leg

(a) Sweat = temperature regulation


Q3. Excretory material are formed in

(a) Kidney
(b) Rectum
(c) Liver
(d) Every body cell

(d) Every body cell


Q4. The principal nitrogenous excretory compound in humans is synthesised

(a) in kidneys but eliminated mostly through liver
(b) in kidneys as well as eliminated by kidneys
(c) in liver and also eliminated by the samethrough bile
(d) in the liver, but eliminated mostly through kidneys

(d) in the liver, but eliminated mostly through kidneys


Q5. The retroperitoneal kidney is –

(a) Kidney of fish
(b) Kidney covered by Peritoneum on Dorsal side
(c) Kidney covered by Peritoneum on ventral side
(d) Kidney uncovered by Peritoneum on ventral Side.

(c) Kidney covered by Peritoneum on ventral side


Q6. Nephron is made up of

(a) Malpighian body
(b) Coiled tuble
(c) Both of the above
(d) None of the above

(c) Both of the above


Q7. Excretory products of mammalian embryo are eliminated by-

(a) Placenta
(b) Amniotic fluid
(c) Allantois
(d) Ureters

(a) Placenta


Q8. Kidney is

(a) Ectodermal
(b) Mesodermal
(c) Endodermal
(d) None of the above

(b) Mesodermal


Q9. Ammonia is the main nitrogenous excretory material in

(a) Amphibians
(b) Aves
(c) Tadpoles
(d) Reptiles

(c) Tadpoles


Q10. Malpighian corpuscles are present in :–

(a) Cortex
(b) Medulla
(c) Germinal cells
(d) None of the above

(a) Cortex


Q11. The basic functional unit of the human kidney is:

(a) Nephron
(b) Nephridia
(c) Pyramid
(d) Henle’s loop

(a) Nephron


Q12. If Henle’s loop were absent from mammalian nephron, which of the following is to be expected?

(a) The urine will be more dilute
(b) There will be no urine formation
(c) There will be hardly any change in the qualityand quantity of urine formed
(d) The urine will be more concentrated

(a) The urine will be more dilute


Q13. Excretion is

(a) Removal of substances not required by body
(b) Removal of useless substances and susbtances present in excess
(c) Formation of substances having some role in body
(d) All the above

(b) Removal of useless substances and susbtances present in excess


Q14. The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is

(a) 50 mm Hg
(b) 75 mm Hg
(c) 20 mm Hg
(d) 30 mm Hg

(c) 20 mm Hg


Q15. Podocyte are present in

(a) Afferent arteriole
(b) Efferent arteriole
(c) Peritubular network
(d) Bowman’s cup

(d) Bowman’s cup


Q16. Difference between glomerular filtrate and plasma is of

(a) Proteins
(b) Potassium
(c) First is white where as later is yellow
(d) First is yellow whereas later is white

(a) Proteins

Q17. If a man takes large amount of protein, he is likely to excrete more amount of

(a) Glucose
(b) Urea and uric acid
(c) Water
(d) Salts

(b) Urea and uric acid


Q18. Nerves, blood vessels and ureter enters into the kidney through

(a) calyces
(b) hilum
(c) capsule
(d) cortex

(b) hilum


Q19. The principal nitrogenous excretory compound in humans is synthesised

(a) In the liver but eliminated mostly through kidneys
(b) In kidneys but eliminated mostly through liver
(c) In kidneys as well as eliminated by kidneys
(d) In liver and also eliminated by the same through bile

(a) In the liver but eliminated mostly through kidneys


Q20. The renal medulla consists of cone-shaped tissue masses called _.

(a) Renal pyramid
(b) Adipose capsule
(c) Renal cortex
(d) Renal pelvis

(a) Renal pyramid


Q21. Brush border is characteristic of:

(a) Neck of nephron
(b) Collecting tube
(c) Proximal convoluted tubule
(d) All the above

(c) Proximal convoluted tubule


Q22. Mesonephric kidney develops from

(a) Anterior part of nephrotome
(b) Middle part of nephrotome
(c) Posterior part of nephrotome
(d) None of the above

(b) Middle part of nephrotome


MCQ Questions for Class 11 Biology with Answers Chapter Wise


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