Excretory System | Urinary System in Human: MCQs Quiz – 1( with answer)

Question 1

Question:   Loop of Henle is concerned with:

1.	excretory system
2.	reproductive system
3.	nervous system
4.	muscular system

Answer:    1

Question 2

Question:   Urea is transported by

1.	plasma
2.	blood
3.	RBC
4.	WBC

Answer:    1

Question 3

Question:   The kidneys resemble the contractile vacuoles of amoeba in

1.	expelling out excess of water
2.	expelling out glucose
3.	expelling out urea and uric acid
4.	expelling out salts

Answer:    1

Question 4

Question:   Glucose is reabsorbed in the kidney mainly by

1.	Bowman's capsule
2.	Loop of Henle
3.	Proximal Convoluted Tubule
4.	Distal Convoluted Tubule

Answer:    3

Question 5

Question:   Excess amino acids in the body are broken down to form urea in

1.	kidney
2.	liver
3.	spleen
4.	pancreas

Answer:    2

Question 6

Question:   Difference between glomerular filtrate and blood plasma is of

1.	proteins in plasma
2.	potassium
3.	first is white and second is yellow
4.	proteins in glomerular filtrate

Answer:    1

Question 7

Question:   In the kidneys of mammals, Loop of Henle can be found in

1.	medulla
2.	cortex
3.	pelvis
4.	pyramid

Answer:    1

Question 8

Question:   In the kidney the correct sequence of formation of urine involves the following processes:

1.	glomerular filtration, reabsorption, tubular secretion
2.	reabsorption, filtration, secretion
3.	filtration, secretion, reabsorption
4.	reabsorption, secretion, filtration

Answer:    1

Question 9

Question:   A severe fall in blood pressure disturbs the function of kidneys and reduces

1.	renal filtration
2.	glomerular filtration
3.	reabsorption
4.	secretion of nitrogenous wastes

Answer:    2

Question 10

Question:   Excretion of bile pigments in urine indicates

1.	anaemia
2.	diabetes
3.	gout
4.	jaundice

Answer:    4

Question 11

Question:   Workers in deep mines usually suffer from dehydration because

1.	water is lost due to evaporation
2.	water is lost due to defecation
3.	water is lost in the form of sweat
4.	water is lost along with salts in the form of sweat

Answer:    4

Question 12

Question:   The concentration of urea is highest in

1.	renal vein
2.	hepatic portal vein
3.	dorsal aorta
4.	hepatic vein

Answer:    4

Question 13

Question:   The concentration of urea is least in

1.	renal artery
2.	renal vein
3.	post canal
4.	dorsal aorta

Answer:    2

Question 14

Question:   The function of the mammalian kidney is to excrete

1.	extra salts, urea and excess water
2.	extra urea, excess water and excess amino acids
3.	extra urea, extra carbohydrates and extra water
4.	extra urea, extra salts and extra sugar

Answer:    1

Question 15

Question:   The plasma is similar in its composition with the filtrate produced in glomerulus except for the presence of

1.	glucose
2.	chlorides
3.	proteins
4.	amino acids

Answer:    3

Question 16

Question:   If a man takes in large amount of proteins he is likely to secrete more amount of

1.	urea
2.	uric acid
3.	sugar
4.	carbon dioxide

Answer:    1

Question 17

Question:   What will happen if one kidney of a person is removed

1.	he will survive and remain normal
2.	he will die
3.	urea will go on accumulating in the blood
4.	urination will stop

Answer:    1

Question 18

Question:   The glomerular filtrate contains

1.	blood minus cells
2.	blood minus cells and  proteins
3.	blood minus proteins
4.	plasma minus cells minus proteins

Answer:    2

Question 19

Question:   In the distal convoluted tubule of the nephrons

1.	Sodium reabsorption requires energy
2.	Secretion of potassium does not require energy
3.	Water reabsorption requires energy
4.	Ammonia is secreted

Answer:    1

Question 20

Question:   The mechanism of uric acid secretion in the nephron is

1.	diffusion
2.	excretion
3.	ultrafiltration
4.	osmosis

Answer:    3

Question 21

Question:   Human kidney has

1.	Ciliated nephrons
2.	No loop of Henle
3.	Meronephric duct
4.	Glomeruli concentrated in cortex

Answer:    4

Question 22

Question:   Uriniferous tubules are found in

1.	Kidneys
2.	Testes
3.	Ovary
4.	Stomach

Answer:    1

Question 23

Question:   Reabsorption of chloride ions from the glomerular filtrate in the kidney tubule is carried out by

1.	Osmosis
2.	Diffusion
3.	Active transport
4.	Brownian movement

Answer:    2

Question 24

Question:   Bowman's capsule and glomerulus form

1.	cortex
2.	pyramid
3.	malphigian body
4.	medulla

Answer:    3