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STD 11 - 8. Cell the unit of life — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 8. Cell the unit of life1 Mark
MCQ
Axoneme with $9+2$ microtubular arrangement occurs in
  • A
    Cilia
  • B
    flagella
  • ✓
    both $( a )$ and $( b )$
  • D
    centriole
✓

Answer

Correct option: C.
both $( a )$ and $( b )$
c
Axoneme with $9+2$ microtubular arrangement occurs in cilia and flagella. Cilia are hair like growths of the cell membrane. Flagella are comparatively longer and responsible for movement. The axoneme usually has nine pair of centrally located microtubules. Such an arrangement of axonemal microtubules is referred to as the $9+2$ array.

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