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11th Standard English Medium Biology (Botany) Subject Cell Cycle Book Back 1 Mark Questions with Solution Part - II

11th Standard

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Biology

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

    1 Marks

    5 x 1 = 5
  1. Synapsis occur between ______.

    (a)

    mRNA and ribosomes

    (b)

    spindle fibres and centromeres

    (c)

    two homologous Chromosomes

    (d)

    a male and a female gamete

  2. In meiosis crossing over is initiated at ______.

    (a)

    Diplotene

    (b)

    Leptotene

    (c)

    Pachytene

    (d)

    Zygotene

  3. Colchicine prevents the mitosis of the cells at which of the following stage ______.

    (a)

    Anaphase

    (b)

    Metaphase

    (c)

    Prophase

    (d)

    Interphase

  4. The paring of homologous Chromosomes on meiosis is known as _____.

    (a)

    Bivalent

    (b)

    Synapsis

    (c)

    Disjunction

    (d)

    Synergids

  5. Anastral mitosis is the characteristic feature of _________

    (a)

    Lower animals

    (b)

    Higher animals

    (c)

    Higher plants

    (d)

    All living organisms

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