MCQ
Choose the correct option:
  • A
    $a-$ Some mature cells $e.g.$ erythryocytes of many mamals lack nucleus

    $b-$ Sieve tube cells of vasular plants have nucleus

  • B
    $a-$ Centriole are surrounded by cell membrane

    $b-$ Pairs of microtubules are present in centriole

  • $a-$ Cytoskeleton contain microfilament made up of protein

    $b-70S$ ribosomes are present in chloroplast

  • D
    $a-$ colour of plants is due to aleuroplasts

    $b-$ Vacuoles can occupy up to $90\%$ of the volume of the animal cell.

Answer

Correct option: C.
$a-$ Cytoskeleton contain microfilament made up of protein

$b-70S$ ribosomes are present in chloroplast

c

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