Biology, asked by sweetdreamer48, 3 months ago

1. read the passage and answer the mcq


Cell division is the process by which a parent cell divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle. In eukaryotes, there are two distinct types of cell division; a vegetative division, whereby each daughter cell is genetically identical to the parent cell (mitosis), and a reproductive cell division, whereby the number of chromosomes in the daughter cells is reduced by half to produce haploid cells (meiosis). In cell biology, mitosis is a part of the cell cycle, in which, replicated chromosomes are separated into two new nuclei. Cell division gives rise to genetically identical cells in which the total number of chromosomes is maintained. Meiosis results in haploid daughter cells by undergoing one round of DNA replication followed by two divisions.
(i) Which of the following doesn't divide by mitosis?
a. Sperm cell.
b. Root tip cells
c. lung cell.
d. Cells on shoot tip.


(ii) if 25 cells of ovary undergoes cell division number of daughter cells formed wilI be
a.25.
b.50
c.100.
d.75.

Answers

Answered by ALLAHBACHAYO
1

1,which of the folowing doesn't divide by mitosis.

answer is C,LUNG Cell.

2,if 25 cells of ovary undergoes cell division number of daughter cells formed wilI be .

answer is A,25

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