The role of mitosis is not merely to divide a cell into two daugher cells but to ensure genetic continuity from one cell generation. The mechanism ensuring genetic continutity is;

Related MCQs

• In mitosis the daughter cells resemble to their parent cell. But in meiosis they differ not only from parent cell in having half the number of chromosomes, but also differ among themselves qualitatively in genetic constitution due to.....
• Cytokinesis is generally, but not always, seen in mitosis. If cells undergo mitosis and do not follow cytokinesis then it would result in :
• Select correct statement’s for cell cycle. (i) Yeast cell can complete on cell cycle in every 90 minutes (ii) A period between creation of a cell and division of that cell. (iii) Cell cycle is mainly divided into interphase and differentiation like two phases.
• Several statements are given here in reference to cone cells which of the following option indicates all correct statements for cone cells ? Statements (i) cone cells are less sensitive than Rod cells (ii) They are responsible for colour vision (iii) Erythrolobe is photopigment which is sensitive to red colour light (iv) They are absent in fovea of retina
• Match the following. Column – 1 Column – 2 (p) National Bureau of Plant (I) Conservation of biodiversity Genetic Resources (q) World Wild life Fund (ii) Conservation of gene of domesticated animal (r) National Bureau of fish (iii) Conservation of gene of crop plant Genetic Resources (s) National Bureau of Animal (iv) Conservation of gene of Economically valuable Genetic Resources species
• A. During meiosis, the genetic material is replicated twice whereas the cell divides one. R. Meiosis takes place in plants and animals during the formation of reproductive cells.
• Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following . Which of the cells are least likely to be replaced by new cells ?(C.B.S.E 2005)
• Which of the following option shows correctly matched pairs for colum I and colum II Column-I Column-II (P) The egg membrance becomes (i) Blastocyst slightly separated from proto plasam (Q) The division of zygote (ii) Fertilization membrance (R) 16 daughter cells (iii) Cleavage (S) Morula stage continues to (iv) Blastomeres divide and transforms into
• At which of the following stage4s of cell cycle proteins and microtubules, required for mitosis, are synthesized ?
• Assertion (A) : Phase of cell division is also known as dividing phase. Reason (R) : In mitotic phase new cells are produced from pre-existing cells through meiosis division.