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Biology MCQ

Excretory System · ICSE STD 10 (ICSE - English Medium). 11 questions.

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11 questions · timed · auto-graded

MCQ 11 Mark
The smallest functional unit of the kidney is ____________
  • A
    glomerulus
  • B
    Bowman's capsule
  • ✓
    nephron
  • D
    collecting tubule
Answer
Correct option: C.
nephron
The smallest functional unit of the kidney is nephron
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MCQ 21 Mark
Narrow apex of pyramid in kidney is called ___________
  • A
    pelvis
  • ✓
    renal papilla
  • C
    column of Bertini
  • D
    duct of Bellini
Answer
Correct option: B.
renal papilla
Narrow apex of pyramid in kidney is called renal papilla
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MCQ 31 Mark
Excess proteins are converted into urea in ____________
  • A
    lungs
  • ✓
    liver
  • C
    kidneys
  • D
    intestine
Answer
Correct option: B.
liver
Excess proteins are converted into urea in liver
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MCQ 41 Mark
Vitamin excreted through urine in mammals is ______________
  • A
    vitamin A
  • ✓
    vitamin C
  • C
    vitamin D
  • D
    vitamin K
Answer
Correct option: B.
vitamin C
Vitamin excreted through urine in mammals is vitamin C
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MCQ 51 Mark
Physiologically urea is produced by the action of an enzyme ______________
  • A
    uricose
  • ✓
    urease
  • C
    arginase
  • D
    none
Answer
Correct option: B.
urease
Physiologically urea is produced by the action of an enzyme urease
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MCQ 61 Mark
Orinithin cycle operates in ________
  • ✓
    liver
  • B
    stomach
  • C
    pancreas
  • D
    oral cavity
Answer
Correct option: A.
liver
Orinithin cycle operates in liver
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MCQ 71 Mark
What happens if one kidney is removed from the body of human being?
  • A
    Death due to poisoning
  • B
    Uraemia and death
  • C
    Stoppage of urination
  • ✓
    Nothing will happen
Answer
Correct option: D.
Nothing will happen
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MCQ 81 Mark
A condition of failure of kidney to form urea is called ____________
  • A
    creatine
  • B
    hematuria
  • C
    keturia
  • ✓
    anuria
Answer
Correct option: D.
anuria
A condition of failure of kidney to form urea is called anuria
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MCQ 91 Mark
Presence of $\text{RBCs}$ in urine is called $.........$
  • A
    pyuria
  • B
    glycosuria
  • ✓
    haematuria
  • D
    albuminuria
Answer
Correct option: C.
haematuria
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MCQ 111 Mark
Composition of extracellular fluid is regulated by $.........$
  • A
     macula
  • ✓
    kidney
  • C
    lungs
  • D
    thyroid
Answer
Correct option: B.
kidney
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