Cell Cycle And Cell Division Test

Cell Cycle And Cell Division

This is Cell Cycle And Cell Division Test-03 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Cell growth results in disturbing the ratio between
  • A
    Nucleus - chromosome ratio
  • B
    Cytoplasm-spindle fibre ratio
  • C
    Nucleus-cytoplasm ratio
    Correct
  • D
    Cytoplasm-chromosome ratio
2
In some lower plants and social insects, the haploid cells are divideby
  • A
    Mitosis
    Correct
  • B
    Cytokinesis
  • C
    Karyokinesis
  • D
    Meiosis
3
M- phase undergoes
  • A
    Equational division
    Correct
  • B
    Diakinesis
  • C
    Cytokinesis
  • D
    Reductional division
4
In plant cells, the new cell wall begins by the
  • A
    Centromere
  • B
    Chromatid
  • C
    Cell plate
    Correct
  • D
    Cell cycle
5
In between two walls of adjacent cells are seen
  • A
    Plasma membrane
  • B
    Cell wall
  • C
    Middle lamellae
    Correct
  • D
    Cytoplasm
6
Astral body are formed of
  • A
    Microtubules
    Correct
  • B
    Intermediate filaments
  • C
    Microfilaments
  • D
    Microvilli
7
Plant mitosis is generally controlled by
  • A
    Cytokinin
    Correct
  • B
    Cytochrome
  • C
    Genetic make-up
  • D
    Auxin
8
During mitosis ER and nucleolus begin to disappear at
  • A
    Late metaphase
  • B
    Early metaphase
  • C
    Early prophase
  • D
    Late prophase
    Correct
9
In animal cells, Cytokinesis takes place by furrow deepening centripetally and formation of two daughter cells. This method is known as
  • A
    Phragmoplast
  • B
    Cell plate formation
  • C
    Cleavage Cytokinesis
    Correct
  • D
    None of these
10
An alkaloid widely used in plant breeding for doubling the chromosome number also known as ‘mitotic poison’ is
  • A
    Alcidine
  • B
    Nicotinamide
  • C
    Auxine
  • D
    Colchicine
    Correct
11
Material used for study of mitosis cell division in class room is
  • A
    Young anthers from unopened of onion
  • B
    Testes of grasshopper
  • C
    All of these
  • D
    Onion and broad bean root tips
    Correct
12
A grown up cell divides when a maximum size is attained and which disturb the
  • A
    None of these
  • B
    Kern-plasma ratio
    Correct
  • C
    Chromosome-cytoplasm ratio
  • D
    Enzyme-Hormone ratio
13
Which type of cell division helps in regeneration?
  • A
    Amitosis
  • B
    Mitosis
    Correct
  • C
    Meiosis
  • D
    Meiotic
14
In meiosis
  • A
    First division is reductional
    Correct
  • B
    First division is equational
  • C
    Second division is reductional
  • D
    Second division is equational
15
The stage connecting meiosis I and meiosis II is
  • A
    Anaphase I
  • B
    Interkinesis
    Correct
  • C
    Interphase I
  • D
    Interphase II