Practice test

Excretory system - Test Set 1

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Where is urine stored in human body?
    1. Kidneys
    2. Urinary bladder
    3. Liver
    4. Nephron
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  2. Question 2

    Uric acid is chief nitrogenous waste of which of the following?
    1. Human
    2. Frogs
    3. Fishes
    4. Birds
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  3. Question 3

    Which of the following function is performed by the kidneys in the human body?
    1. Excretion
    2. Respiration
    3. Digestion
    4. Transportation
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  4. Question 4

    Nephron is related to which of the following system of human body?
    1. Circulatory system
    2. Excretory system
    3. Reproductive system
    4. Respiratory system
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  5. Question 5

    Which of the following human organ is affected by the consumption of aflatoxin food adulterent?
    1. Heart
    2. Lungs
    3. Kidney
    4. Liver
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  6. Question 6

    Blood coming out of liver has high concentration of
    1. urea
    2. oxygen
    3. protein
    4. erythrocytes
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  7. Question 7

    Which one of the following statements is correct?
    1. Urea is produced in liver
    2. Urea is produced in blood
    3. Urea is produced from digestion of starch
    4. Urea is produced in lung and kidney
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  8. Question 8

    The hormone erythropoietin secreted by kidney regulates
    1. blood pressure
    2. godwin concentration
    3. glucose concentration
    4. rate of RBC formation
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  9. Question 9

    Filteration unit of kidney is
    1. nephron
    2. neuron
    3. yellow fibre
    4. axon
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  10. Question 10

    Which of the following is a structural and functional unit of kidneys?
    1. Renette cells
    2. Flame cells
    3. Nephrites
    4. Nephrons
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  11. Question 11

    Where is urine store in human body?
    1. Kidneys
    2. Urinary bladder
    3. Liver
    4. Nephron
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  12. Question 12

    Which one of the following statements is correct?
    1. Urea is produced in liver
    2. Urea is produced in blood
    3. Urea is produced from digestion of starch
    4. Urea is produced in lungs and kidney
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  13. Question 13

    The abnormal constituent or urine is
    1. urea
    2. cretinine
    3. albumin
    4. sodium
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  14. Question 14

    Which one among the following substances is never excreted out through urine under normal circumstances in any healthy individual?
    1. Urea
    2. Sodium
    3. Amino acid
    4. Potassium
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  15. Question 15

    The yellow colour of urine is due to presence of
    1. bile
    2. lymph
    3. cholesterol
    4. urochrome
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  16. Question 16

    Which one of the following is not the excretory organ?
    1. Kidneys
    2. Liver
    3. Lungs
    4. Spleen
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  17. Question 17

    Which of the statements is false?
    1. Protein free fluid is filtered from blood plasma into the Bowman's capsule
    2. Urine reaches the bladder from the kidneys through the urethra
    3. Henle's loop play an important role in concentrating the urine
    4. Micturition is carried out by a reflex
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  18. Question 18

    Assertion (A) Urinary tract infection is less common in woman than in men.
    Reason (R) Urethra is longer in woman than in men.
    1. If both A and R are true and R is the correct explanation of A
    2. If both A and R are true, but R is not the correct explanation of A
    3. If A is true, but R is false
    4. If both A and R are false
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  19. Question 19

    Which part of human body is first highly affected by nuclear radiation?
    1. Eyes
    2. Lungs
    3. Skin
    4. Bone marrow
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  20. Question 20

    Birds usually have a single-
    1. Kidney
    2. Lung
    3. Testis
    4. Ovary
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