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11th Standard English Medium Biology (Zoology) Subject Excretion Creative 1 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Biology

Time : 01:00:00 Hrs
Total Marks : 5

    1 Marks

    5 x 1 = 5
  1. ___________part of nephron has evolved to form hypertonic urine.

    (a)

    Glomerulus

    (b)

    Loop of Henle

    (c)

    Proximal convoluted tubule

    (d)

    Collecting duct

  2. The major function of Henle's loop is to concentrate_____________

    (a)

    Na+ and Cl-

    (b)

    K+ ions

    (c)

    Na+ and K+ ions

    (d)

    Na- and CI+ ions

  3. Normal urea level in human blood is about_______________

    (a)

    20-23 gms / 100 mL

    (b)

    17-30 mg / 100 mL

    (c)

    17 - 25 gms / 100 mL

    (d)

    15- 25 mg / 100 mL

  4. ______________is not a excretory organ.

    (a)

    Kidney

    (b)

    Lungs

    (c)

    Heart

    (d)

    Liver

  5. Which part of nephron has evolved to form hypertonic urine?

    (a)

    Glomerulus

    (b)

    Loop of Henle

    (c)

    Proximal convoluted tubule

    (d)

    Collecting duct

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