Excretory System Short Questions(MCQs) & Answers

Questions

41 Name the excretory organ present in earthworm through which excretion takes place?

A Moist Skin

B Nephridia

C Both A and B

D Only B

View Answer

Answer: Both A and B

42 Which organ in the human body is responsible for removing carbon dioxide from the body?

A Kidney

B Lungs

C Blood

D Ureter

View Answer

Answer: Lungs

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43 Each kidney is made up of a large number of excretory units called:

A Glomerulus

B Bowman’s Capsule

C Nephron

D Blood capillaries

View Answer

Answer: Nephron

44 The best long term solution for kidney failure is:

A Dialysis

B Kidney transplant

C Both A and B

D Only B

View Answer

Answer: Kidney transplant

45 Name the organs that make up the excretory system in humans?

A Two Kidneys

B Two Ureters

C Bladder and Urethra

D All of the above

View Answer

Answer: All of the above

46 Name the condition when concentration of ketone increases in urine.

A Turners syndrome

B Diabetes mellitus

C Sickle cell anemia

D Acromegaly

View Answer

Answer: Diabetes mellitus

47 Hemodialysis is done when the person is suffering from ________

A Goiter

B Diabetes insipidus

C Diabetes mellitus

D Uremia

View Answer

Answer: Uremia

48 Which of the following is NOT the salivary protein?

A Lysozyme

B Mucus

C Phosphatase

D Amylase

View Answer

Answer: Phosphatase

49 Which of the following gastric secretion phase prepares mouth and stomach for food?

A Intestinal phase

B Gastric phase

C Cephalic phase

D Early phase

View Answer

Answer: Cephalic phase

50 What is the daily volume of glomerular filtrate in adult male and female?

A 50 liter in male and 90 liters in females

B 120 liter in male and 130 liters in females

C 180 liter in male and 150 liters in females

D 180 liter in male and 180 liters in females

View Answer

Answer: 180 liter in male and 150 liters in females

51 What is micturition?

A Formation of feces

B Discharge of urine

C Defecating

D Formation of sperm

View Answer

Answer: Discharge of urine

52 The waste matters (urea) are transported by

A Blood

B Lymph

C RBC

D None of the above

View Answer

Answer: Blood

53 Columns of Bertin are found in

A Testes

B Ovaries

C Kidney

D Liver

View Answer

Answer: Kidney

54 The yellow colour of urine is due to

A Uric acid

B Urea

C Urochrome

D Melanin

View Answer

Answer: Urochrome

55 Certain carbonates and phosphates are removed by

A Skin

B Liver

C Kidneys

D None of the above

View Answer

Answer: None of the above

56 In man kidney is

A Pronephros

B Mesonephros

C Metanephros

D None of the above

View Answer

Answer: Metanephros

57 Micturition is

A Removal of urea from blood

B Removal of uric acid

C Passing out urine

D Removal of faeces

View Answer

Answer: Passing out urine

58 The excretory organs of Palaeomon are

A Malpighian tubules

B Nephridia

C Green glands

D Kidney’s

View Answer

Answer: Green glands

59 Excretion is a continuous process but urine is not passed out continuously because of

A Urinary bladder

B Cloaca

C Rectum

D Ureter

View Answer

Answer: Urinary bladder

60 The smallest functional unit of kidney is

A Nephron

B Collecting tube

C Glomerulus

D Bowman’s capsule

View Answer

Answer: Nephron

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