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STD 11 - 7. Structural organisation in animal — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 7. Structural organisation in animal1 Mark
MCQ
The chief difference between $RBCs$ of Human and Frog
  • A
    Only human $RBCs$ have haemoglobin
  • B
    Human $RBCs$ have more nuclei
  • ✓
    Human $RBCs$ are without nucleus
  • D
    Frog $RBCs$ are without nucleus
✓

Answer

Correct option: C.
Human $RBCs$ are without nucleus
c
(c) The chief difference between $RBCs$ of human and frog is that the human $RBCs$ are without nucleus and therefore is not complete cell. However the absence nucleus in mammals increases respiratory efficiency of $RBCs$.

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