Mitosis
Trending Questions
How many mitotic divisions are needed for a single cell to make 128 cells?
- 7
- 14
- 28
- 6
The number of mitotic cell divisions required to produce 256 cells from a single cell would be
10
12
6
8
What are the three functions of all cells?
- reduction of chromosome number in daughter cells
- doubling of chromosome number in daughter cells
- daughter cells with same chromosome number as the parent cell
- increase in cell volume
- True
- False
In plants, for the formation of pollen grain and ovules, would mitosis or meiosis occur?
Mitosis
Meiosis
Mitosis occurs in almost all tissues of a plant body.
True
False
What is an anaphase-promoting complex?
- Splitting of centrosome
- Cleavage furrow splits the cell from middle.
- The chromatids thin into chromatin fibres
- Nuclear membrane and nucleolus disappear
- Splitting of centromere
- 5→4→1→2→3
- 5→4→1→3→2
- 1→4→5→3→2
- 1→4→5→2→3
Glycolysis takes place in ______.
- All living cells
- Prokaryotic cells
- Eukaryotic cells only
- None of these
Cell division leading to growth and development
Meiosis
Mitosis
Interphase
- \N
Identify the correct sequence of phases during karyokinesis:
Interphase - karyokinesis - cytokinesis
- S -
- karyokinesis - cytokinesis
All of these
Prophase - metaphase - anaphase - telophase
With reference to the cell division explain the following term:
Centromere:
How do organisms, whether reproduced asexually or sexually maintain constant chromosome numbers throughout several generations?
Which two processes together constitute the M phase of the cell cycle?
Interphase and mitosis
Mitosis and cytokinesis
Interphase and metaphase
G0, S and G1 phase
The division phase of a cell, either in mitosis or meiosis is regulated by proteins called _____ and their dependent enzyme complexes called ______.
Histones & CDK
Cyclins & Histones
Histones & Lyases
Cyclins & CDK
![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/21529/content_prophase_4.png)
A = Equatorial plate, B = Chromosomes, C = Kinetochore, D = Spindle fibres
A =Kinetochore, B = Chromosomes, C = Equatorial plate, D = Spindle fibres
A = Spindle fibre, B = Chromosomes, C = Equatorial plate, D = Kinetochore
A = Kinetochore, B = Spindle fibres, C = Equatorial plate, D = Chromosomes
Asexual reproduction is an example of meiotic division.
True
False
- True
- False
Which of these is NOT TRUE about mitosis in humans:
It stops after about 18 when we stop growing.
It ensures the same number of chromosomes as the original cell is maintained.
Each mitotic division of a somatic cell produces two diploid cells.
It helps in growth, repair and replacement of tissue.
What is the phase of mitosis involving the division of cytoplasm called?
Enter 1 word only.
What occurs after mitosis?
- nucleus
- cytoplasm
- chromosomes
- DNA
Once mitosis is complete, the cells go through a phase in which the cytoplasm in the cells increases. What is this phase called?
S phase
R phase
G1 phase
G2 phase
(i) Karyokinesis
(ii) Cytokinesis
(iii) Chiasmata
Synthesis phase in the cell cycle is the replication of
RNA
Proteins
DNA
RNA and proteins
(a) gamete
(b) growth and repair
(c) both (a) & (b)
(d) none of these
- True
- False