Q89 / 120 · NEET 2011 (Mains) · Zoology

Frogs differ from humans in possessing

  • A
    paired cerebral hemispheres
  • B
    hepatic portal system
  • Correct answer
    C
    nucleated red blood cells
  • D
    thyroid as well as parathyroid

Solution

In frogs, the blood cells are RBC (Red Blood Cells), WBC (White Blood Cells) or leucocytes and platelets. RBCs, also called erythrocytes, are nucleated and contain red coloured pigment namely haemoglobin. Human possesses enucleated $\mathrm{RBC}$ in mature state.

Hence, the correct answer is option: 'C'.

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