Excretory System MCQs | Excretory System Short Questions(MCQs) & Answers

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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

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

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

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

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

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

Answer: Diabetes mellitus
47 Hemodialysis is done when the person is suffering from ________
A Goiter
B Diabetes insipidus
C Diabetes mellitus
D Uremia

Answer: Uremia
48 Which of the following is NOT the salivary protein?
A Lysozyme
B Mucus
C Phosphatase
D Amylase

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

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

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

Answer: Discharge of urine
52 The waste matters (urea) are transported by
A Blood
B Lymph
C RBC
D None of the above

Answer: Blood
53 Columns of Bertin are found in
A Testes
B Ovaries
C Kidney
D Liver

Answer: Kidney
54 The yellow colour of urine is due to
A Uric acid
B Urea
C Urochrome
D Melanin

Answer: Urochrome
55 Certain carbonates and phosphates are removed by
A Skin
B Liver
C Kidneys
D None of the above

Answer: None of the above
56 In man kidney is
A Pronephros
B Mesonephros
C Metanephros
D None of the above

Answer: Metanephros
57 Micturition is
A Removal of urea from blood
B Removal of uric acid
C Passing out urine
D Removal of faeces

Answer: Passing out urine
58 The excretory organs of Palaeomon are
A Malpighian tubules
B Nephridia
C Green glands
D Kidney’s

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

Answer: Urinary bladder
60 The smallest functional unit of kidney is
A Nephron
B Collecting tube
C Glomerulus
D Bowman’s capsule

Answer: Nephron

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