Excretory Products and their Elimination NEET Questions

MCQ on Excretory Products and their Elimination NEET Questions 

Excretory Products and their Elimination NEET Questions for NEET Entrance Examination is important for the aspirants. We have compiled a list of NEET Questions on Excretory Products and their Elimination  to give aspirants an idea about the intricacies of the NEET Exam. In these article we listed some of MCQ questions as per the entrance syllabus.

Our Excretory Products and their Elimination Class 12 NEET Questions are basically practice Questions that are prepared purely based on the latest exam pattern and syllabus of the NEET entrance examination. These are a simulation of actual exams practising which aspirants can gauge their actual potential with  below MCQ. These Excretory Products and their Elimination previous year NEET questions Pdf help candidates analyse NEET Exams better and also, elevate your performance as practising these will let you apprehend the type of questions asked from Excretory Products and their Elimination questions for NEET and the level of exam.


Excretory Products and their Elimination NEET Questions

1. Angiotensinogen is a protein produced and secreted by______

(1) Macula densa cells

(2) Endothelial cells (cells lining the blood vessels)

(3) Liver cells

(4) Juxtaglomerular (JG) cells

Answer: 3

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2. A person who is on a long hunger strike and is surviving only on water, will have_________

(1) Less urea in his urine

(2) More sodium in his urine

(3) Less amino acids in his urine

(4) More glucose in his blood

Answer: 1


3. Figure shows human urinary system with structures labelled A to D. Select option which correctly identifies them and gives their characteristics and/ or functions.

Excretory Products and their Elimination NEET Questions
(1) D-Cortex - outer part of kidney and do not contain any part of nephrons
(2) A-Adrenal gland - located at the anterior part of kidney. Secrete Catecholamines which stimulate glycogen breakdown
(3) B-Pelvis - broad funnel shaped space inner to hilum, directly connected to loops of Henle
(4) C-Medulla-inner zone of kidney and contains complete nephrons
Answer: 2


4. Which of the following statement is correct about
excretion ?
(1) Human excretes 25-30gm urea per day
(2) Glucose and amino acids are absorbed passively
in renal tubules
(3) Descending loop of Henle is impermeable to
water
(4) Kidneys reabsorbed 2/3
rd part of glomerular
filtrate.
Answer: 1

5. Consider the following four statement (a–d) about certain desert animals such as kangaroo rat______

(a) They have dark colour and excrete solid urine

(b) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs

(c) They feed on dry seeds and do not require drinking water

(d) They excrete very concentrated urine and do not use water to regulate body temperature 

Which two of the above statements for such animals are true ?

(1) c and a

(2) a and b

(3) c and d

(4) b and c

Answer: 4

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6. Uric acid is the chief nitrogenous component of the excretory products of__________

(1) Frog

(2) Man

(3) Earthworm

(4) Cockroach

Answer: 4


7. What will happen if the stretch receptors of the urinary bladder wall are totally removed ?

(1) There will be no micturition

(2) Urine will not collect in the bladder

(3) Micturition will continue

(4) Urine will continue to collect normally in the bladder

Answer: 1

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8. Which one of the following statements in regard to the excretion by the human kidneys is correct?

(1) Ascending limb of Loop of Henle is impermeable to electrolytes

(2) Descending limb of Loop of Henle is impermeable to water

(3) Distal convoluted tubule is incapable of reabsorbing HCO3–;

(4) Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules

Answer: 4


9. The principal nitrogenous excretory compound in humans is synthesised_________

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

(2) in kidneys but eliminated mostly through liver

(3) in kidneys as well as eliminated by kidneys

(4) in liver and also eliminated by the same through bile

Answer: 1

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10. Which one of the following is not a part of a renal pyramid ?

(1) Peritubular capillaries 

(2) Convoluted tubules

(3) Collecting ducts 

(4) Loops of Henle

Answer: 2


11. Which one of the following correctly explains the function of a specific part of a human nephron?

(1) Podocytes : Create minute spaces (slit pores) for the filtration of blood into the Bowman's capsule

(2) Henle's loop : most reabsorption of the major substances from the glomerular filtrate

(3) Distal convoluted tubule : reabsorption of K+ ions into the surrounding blood capillaries

(4) Afferent arteriole : carries the blood away from the glomerulus towards renal vein.

Answer: 1

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12. Uricotelic mode of passing out nitrogenous wastes is found in________

(1) Reptiles and Birds

(2) Birds and Annelids

(3) Amphibians and Reptiles

(4) Insects and Amphibians

Answer: 1


13. Which one of the following statements is correct with respect to kidney function regulation ?

(1) When someone drinks lot of water, ADH release is suppressed.

(2) Exposure to cold temperature stimulates ADH release.

(3) An increase in glomerular blood flow stimulates formation of Angiotensin II.

(4) During summer when body loses lot of water by evaporation, the release of ADH is suppressed.

Answer: 1

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14. Removal of proximal convoluted tubule from the nephron will result in__________

(1) More concentrated urine

(2) No change in quality and quantity of urine

(3) No urine formation

(4) More diluted urine

Answer: 4


15. Human urine is usually acidic because________

(1) hydrogen ions are actively secreted into the filtrate.

(2) the sodium transporter exchanges one hydrogen ion for each sodium ion, in peritubular capillaries.

(3) excreted plasma proteins are acidic

(4) potassium and sodium exchange generates acidity

Answer: 1


16. Which is not correctly matched ?

(1) Henle's loop ------ Concentration of urine

(2) Distal convoluted tubules --------- Absorption of glucose and amino acids

(3) Bownan's capsule --------- Glomerular filtration

(4) Collecting duct --------- maintain interstitial osmolarity

Answer: 2


17. Due to which reason, defect in kidney leads to anaemia ?

(1) No secretion of erythropoietin

(2) Reduce vitamin B12

(3) decrease reabsorbtion of water

(4) Loss of haemoglobin in urine

Answer: 1


18. In mammals, which blood vessel would normally carry largest amount of urea ?

(1) Renal Vein

(2) Dorsal Aorta

(3) Hepatic Vein

(4) Hepatic Portal Vein

Answer: 3


19. The part of nephron involved in active reabsorption of sodium is________

(1) Bowman's capsule

(2) Descending limb of Henle's loop

(3) Distal convoluted tubule

(4) Proximal convoluted tubule

Answer: 4


20. Excretion is________

(1) Removal of subst ances not required by body

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

(3) Formation of substances having some role in body

(4) All the above

Answer: 2


21. Kidney crystals are solid clusters of_________

(1) Calcium nitrate and uric acid

(2) Phosphate and uric acid

(3) Calcium carbonate and uric acid

(4) Calcium metabisulphite and uric acid

Answer: 2


22. The yellow colour of urine of the vertebrates is due to presence of_________

(1) Lecithin

(2) Urochrome

(3) Uric acid

(4) Bilirubin

Answer: 2


23. Which of the following is responsible for excretion of dilute urine ?

(1) More secretion of Renin

(2) Less secretion of vasopression

(3) More secretion of aldosterone

(4) Less secretion of K+

 into the filtrate

Answer: 2


24. When a person is suffering from poor renal absorption which one of the following factor will not help in maintenance of blood volume ?

(1) Decreased glomerular filtration

(2) Increased ADH secretion

(3) Decreased arterial pressure in kidney

(4) Increased arterial pressure in kidney

Answer: 4


25. In response to decrease in blood volume and blood pressure which of the following do not occur?

(1) Secretion of Renin

(2) Secretion of aldosterone

(3) Secretion of vasopressin

(4) Secretion of ANF

Answer: 4


26. Parasympathetic activity during micturition causes_________

(1) Contraction of detrusor muscle and contraction of internal urethral sphincter

(2) Contraction of detrusor muscle and relaxation of internal urethral sphincter.

(3) Relaxation of detrusor muscle and relaxation of internal urethral sphincter

(4) Relaxation of detrusor muscle and contraction of Internal urethral sphincter

Answer: 2


27. Diuresis is a specific pathological condition which leads to__________

(1) Increased volume of urine excretion

(2) Decreased volume of urine excretion

(3) Increased glucose excretion

(4) Decreased electrolyte concentration

Answer: 1


28. Why do we pass more urine in wet and cold season ?

(1) Impairment of water absorption by nephrons

(2) Kidney becomes more active

(3) Sweating is much decreased

(4) ADH secretion is increased

Answer: 3


29. A condition of failure of kidney to form urine is called_________

(1) Creatinine

(2) Hematuria

(3) Anuria

(4) Ketonuria

Answer: 3


30. Diuresis is the condition in which_______

(1) The excretion of volume of urine increases

(2) The excretion of volume of urine decreases

(3) The kidney fails to excrete urine

(4) The water balance of the body is disturbed.

Answer: 1


31. Presence of RBC in urine is called________

(1) Anuria

(2) Haematuria

(3) Glycosuria

(4) Ketonuria

Answer: 2


32. Urine of a human being suffering from diabetes inspidus is________

(1) Tasteless and thick 

(2) Sweet and thick

(3) Tasteless and watery 

(4) Sweet and watery

Answer: 3


33. What will happen if one kidney is removed from the body of a human being__________

(1) Death due to poisoning

(2) Ureamia and death

(3) Stoppage of urination

(4) Nothing, the person will survive and remain normal kidney will become hypertrophied

Answer: 4


34. Which of the following is not a function of kidneys________

(1) Regulation of blood pressure

(2) Removal of urea

(3) Regulation of acidity of fluids

(4) Secretion of antibiotics

Answer: 4


35. Which of the following statement is correct________

(1) Afferent arteriole is narrower than efferent arteriole

(2) Afferent venule is narrower than efferent venule

(3) Efferent arteriole is narrower than afferent arteriole

(4) Efferent venule is narrower than afferent venule

Answer: 3


36. Aquatic reptiles are_________

(1) Ammonotelic

(2) Ureotelic overland

(3) Ureotelic

(4) Ureotelic in water

Answer: 1


37. Correct order of excretory organs in Cockroach, Earthworm and Rabbit respectively_________

(1) Skin, malpighi tubules, kidney

(2) Malpighi tubules, nephridia, kidney

(3) Nephridia, malpighi tubules, kidney

(4) Nephridia, kidney, green gland

Answer: 2


38. Parts A, B, C and D of Nephron are shown in the diagram select the option which is incorrect with it's function_____

Nephron NEET Questions

(1) A – 70-80% water reabsorption

(2) B – permeable to salts

(3) C – Selective secretion of H+ and K+ ions and maintain pH

(4) D– allows passage of small amount of urea into the medullary interstitium and help to produce concentrated urine

Answer: 2


39. Which one of the following body functions is not performed by kidneys________

(1) Excretion

(2) Osmoregulation

(3) Regulation of blood volume

(4) Destruction of dead blood corpuscles

Answer: 4


40. Which of the following excreted in mammals in the form of nitrogen__________

(1) Ammonium ion

(2) Ammonia

(3) Uric acid

(4) Urea

Answer: 4


41. Which one of the four parts mentioned below does not constitute a part of a single uriniferous tubule_________

(1) Bowman's capsule

(2) Distal convoluted tubule

(3) Loop of Henle

(4) Collecting duct

Answer: 4


42. Which one of the following pair of waste substances is removed from blood in ornithine cycle_______

(1) CO2 and urea

(2) Ammonia and urea

(3) CO2 and ammonia 

(4) Urea and sodium salt

Answer: 3

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