Botany - Cell Cycle One Mark Questions

11th Standard

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Biology

Time : 00:30:00 Hrs
Total Marks : 10
    10 x 1 = 10
  1. The correct sequence in cell cycle is

    (a)

    S-M-G1-G2

    (b)

    S-G1-G2-M

    (c)

    G1-S-G2-M

    (d)

    M-G-G2-S

  2. If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as

    (a)

    S Phase

    (b)

    G2 Phase

    (c)

    M Phase

    (d)

    Go Phase

  3. Synapsis occur between

    (a)

    mRNA and ribosomes

    (b)

    spindle fibres and centromeres

    (c)

    two homologous Chromosomes

    (d)

    a male and a female gamete

  4. In meiosis crossing over is initiated at

    (a)

    Diplotene

    (b)

    Pachytene

    (c)

    Leptotene

    (d)

    Zygotene

  5. Colchicine prevents the mitosis of the cells at which of the following stage

    (a)

    Anaphase

    (b)

    Metaphase

    (c)

    Prophase

    (d)

    interphase

  6. Mature neuron and skeletal muscle cell remain permanently in ______

    (a)

    G1

    (b)

    G0

    (c)

    S Phase

    (d)

    G2 Phase

  7. Amitosis occurs in _____

    (a)

    Plants

    (b)

    Cells of Mammalian cartilage

    (c)

    Animals

    (d)

    Drosophila

  8. The term meioum means ____

    (a)

    reduce

    (b)

    increase

    (c)

    repeat

    (d)

    equational

  9. Bouquet arrangement of Chromosome is seen in _____

    (a)

    Pachytere

    (b)

    Leptotene

    (c)

    Zygotene

    (d)

    Diplotene

  10. Polytene Chromosomes are formed by ______

    (a)

    Mitosis

    (b)

    Mitosis

    (c)

    Endomitosis

    (d)

    Meiosis

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