Cell Cycle And Cell Division Test

Cell Cycle And Cell Division

This is Cell Cycle And Cell Division Test-01 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Plants show mitotic divisions in
  • A
    Somatic cells
  • B
    Haploid cellsand diploid cells
    Correct
  • C
    Haploid cells
  • D
    Diploid cells
2
What is the average cell cycle span for a mammalian cell?
  • A
    24 hours
    Correct
  • B
    4 hours
  • C
    12 hours
  • D
    48 hours
3
The number of chromosome and the amount of DNA are changed in
  • A
    Anaphase and S phase
    Correct
  • B
    None of these
  • C
    Interphase and S phase
  • D
    Metaphase and M phase
4
In yeast the cell cycle is progressed through
  • A
    60 minutes
  • B
    90 minutes
    Correct
  • C
    20 minutes
  • D
    30 minutes
5
M phase represents
  • A
    Meiosis I phase
  • B
    Mitosis phase
    Correct
  • C
    Meiosis phase
  • D
    Metaphase
6
How many chromosomes are present in the each cell of the onion root tip?
  • A
    2 chromosomes
  • B
    14 chromosomes
    Correct
  • C
    4 chromosomes
  • D
    3 chromosomes
7
In animal cells, during G2 phase
  • A
    Proteins are synthesized
    Correct
  • B
    middle lamellae are formed
  • C
    spindle fibres are formed
  • D
    DNA are synthesized
8
The resting phase is otherwise called as
  • A
    Metaphase
  • B
    Telophase
  • C
    Interphase
    Correct
  • D
    Prophase
9
In animal cells, the mitotic division is seen in
  • A
    haploid somatic cells
  • B
    Diploid somatic cells
    Correct
  • C
    diploid cells
  • D
    haploid cells
10
In which stage, the cells remain metabolically active but do not proliferate?
  • A
    S-phase
  • B
    Go-phase
    Correct
  • C
    G2-phase
  • D
    G1-phase
11
S phase marks
  • A
    It carries out normal metabolism
  • B
    Chromosome condensation
  • C
    DNA replication and chromosome duplication
    Correct
  • D
    Cytoplasmic growth
12
Which one proceeds reformation of nuclear envelops during M-phase of cell cycle
  • A
    Formation of contractile ring and phragmoplast
  • B
    Decondenstion of chromosomes appearance of nuclear lamina
    Correct
  • C
    Formation of contractile ring and transcription
  • D
    Transcription from chromosomes and reassemble of nuclear lamina
13
The stage of inactivation of cell cycle due to non-availability of mitogens and energy rich compound is called
  • A
    Quiescent phase
    Correct
  • B
    M-phase
  • C
    S-phase
  • D
    Interphase
14
Karyokinesis is the
  • A
    Division of chromosome
    Correct
  • B
    Division of cytoplasm
  • C
    Equational division
  • D
    Mitosis division
15
Each chromosome consists of ---- chromatids
  • A
    Four
  • B
    Eight
  • C
    One
  • D
    Two
    Correct