Cell Cycle and Cell Division Questions and Answers ICSE Class 10

1 Marks Questions

Question 1 : Given below is the group of five terms arrange and rewrite the terms in the correct order, so as to be in a logical sequence.

Metahphase, telophase, prophase, anaphase, cytokinesis.

Answer : The correct order, so as to be in a logical sequence is prophase, metaphase, anaphase, telophase, cytokinesis.

Question 2 : Briefly explain the term cytokinesis in plant cells.

Answer : Cytokinesis is the division of cytoplasm that occurs after division of nulceus. In plant cells, formatio of cell plate takes place at the equatorial plane of the spindle. This cell plate grows from centre to periphery to form two daughter cells.

Question 3 : Given below are the sets of five terms, rewrite the terms in a logical sequence as directed at the end of the statement.

Karyokinesis, S-phase, cytokinesis, G1 – phase, G2 – phase (cell cycle).

Answer : The correct sequence, so as to be in a logical sequence is

G1-phase, S-phase, G2-phase, Karyokinesis, Cytokinesis.

Question 4 : Name the type of cell division which occurs in the cells of reproductive organs.

Answer : Meiosis is the type of cell division which occurs in the cells of reproductive organs.

Question 5 : State whether the following statement is true or false. If false, rewrite the correct form of the statement by changing the first and last word only.

Mitosis is the type of cell divisions occurring in the cells of injured parts of the body.

Answer : The statement is true.

Question 6 : State whether the following statement is true or false. If false, write the correct form of the statement by changing the first or last word only.

The resting stage of mitosis is called interphase.

Answer : The statement is true.

Question 7 : Give the specific function of the centrosome found in the body of animals.

Answer : The specific function of the centrosome found in the body of animals is to initiate cell division.

Question 8 : Name a membrane that disappears during late prophase.

Answer : Nuclear membrane disappears during late prophase.

Question 9 : Give one point of difference between the following on the basis of what is given in the bracket?

Karyokinesis and cytokinesis (explain the term).

Answer : Difference between karyokinesis and cytokinesis are as follows:

Karyokinesis Cytokinesis
It is the division of nucleus that occurs during cell division. It is the division of cytoplasm that takes place soon after karyokinesis.

Question 10 : Name the organelle which initiates the cell division in animal cell.

Answer : Centrosome helps in the initiation of cell division in an animal cell.

Question 11 : State whether the following statement is true or false. Correct and rewrite the false statement by changing either the first or the last word.

Cytokinesis is a division of cytoplasm.

Answer : The statement in true.

Question 12 : Arrange the set of terms in the logical sense.

Interphase, anaphase, prophase, telophase, metaphase.

Answer : The logical sequence of terms is interphase, prophase, metaphase, anaphase, telophase.