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11th Standard Botany - Cell Cycle English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

11th Standard

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Botany

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. 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

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

    (a)

    Anaphase

    (b)

    Metaphase

    (c)

    Prophase

    (d)

    interphase

  3. Anastral mitosis is the characteristic feature of

    (a)

    Lower animals

    (b)

    Higher animals

    (c)

    Higher plants

    (d)

    All living organisms

  4. The term cell was coined by _____

    (a)

    Robert Brown

    (b)

    Robert Hooke

    (c)

    Flemming

    (d)

    Boveri

  5. Amitosis occurs in _____

    (a)

    Plants

    (b)

    Cells of Mammalian cartilage

    (c)

    Animals

    (d)

    Drosophila

  6. The period between two successive cell divisions is called

    (a)

    Duplication

    (b)

    Growth phase

    (c)

    Cell cycle

    (d)

    Interphase

  7. With how many cells does reproduction start?

    (a)

    Two cells

    (b)

    Single cell

    (c)

    Many cells

    (d)

    Somatic cell

  8. Synthesis of RNA and protein takes place in which phase of the cell cycle?

    (a)

    S-phase

    (b)

    M-phase

    (c)

    G1 - phase

    (d)

    Metaphase

  9. The stage of mitosis during which the nucleolus disintegrates and chromosomes appear is known as _____

    (a)

    Interphase

    (b)

    Metaphase

    (c)

    Prophase

    (d)

    Anaphase

  10. How many mitotic divisions must occur in a cell to form 1024 cells?

    (a)

    20

    (b)

    10

    (c)

    40

    (d)

    64

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