Distinguish cytokinesis from karyokinesi | Class 11 Biology Chapter Cell cycle and Cell Division, Cell cycle and Cell Division NCERT Solutions

Welcome to the NCERT Solutions for Class 11 Biology - Chapter Cell cycle and Cell Division. This page offers a step-by-step solution to the specific question from Exercise 1, Question 2: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 2: Distinguish cytokinesis from karyokinesis.

Answer:

Cytokinesis		Karyokinesis
(i)	Cytokinesis is the biological process involving the division of a cell’s cytoplasm during mitosis or meiosis.	(i)	Karyokinesis is the biological process involving the division of a cell’s nucleus during mitosis or meiosis.
(ii)	Stages such as prophase, metaphase, anaphase, and telophase are not present in karyokinesis.	(ii)	It is divided into four stages –prophase, metaphase, anaphase, and telophase.

Other Questions of Chapter Cell cycle and Cell Division

Name the pathological condition when uncontrolled cell division occurs.

Mitosis results in producing two cells which are similar to each other. What would be the consequence if each of the following irregularities
occur during mitosis?
a. Nuclear membrane fails to disintegrate
b. Duplication of DNA does not occur
c. Centromeres do not divide
d. Cytokinesis does not occur.

Q: Discuss with your teacher about
(i) haploid insects and lower plants where cell-division occurs, and
(ii) some haploid cells in higher plants where cell-division does not occur.

Q: Can there be mitosis without DNA replication in S phase?

The diagram shows a bivalent at prophase-I of meiosis. Which of the four chromatids can cross over?

Name a cell that is found arrested in diplotene stage for months and years. Comment in 2-3 lines how it completes cell cycle?

Given that the average duplication time of E.coli is 20 minutes, how much time will two E.coli cells take to become 32 cells?

Name a stain commonly used to colour chromosomes.

Q: What is the significance of meiosis?

Q: Distinguish anaphase of mitosis from anaphase I of meiosis.

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Q: Draw the labelled diagram of the following:
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Which of the following is correct:
(a) Cells of all living organisms have a nucleus.
(b) Both animal and plant cells have a well defined cell wall.
(c) In prokaryotes, there are no membrane bound organelles.
(d) Cells are formed de novo from abiotic materials.

Label the different components of actin filament in the diagram given below.

Rhizome of ginger is like the roots of other plants that grows underground. Despite this fact ginger is a stem and not a root. Justify.

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

Read the question carefully and focus on the core concept being asked.
Reference examples and data from the chapter when answering questions about Cell cycle and Cell Division.
Review previous year question papers to get an idea of how such questions may be framed in exams.
Practice answering questions within the time limit to improve your speed and accuracy.
Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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Comments

Mirash siddique
Dec 05, 2018

A wrong statement in cytokinesis..second statement

Kk sir
Sep 23, 2018

Sbko din rha h s vinoth

mandeep
Mar 14, 2018

thanks

Vizul
Dec 03, 2017

Yes it is cytokineses

s vinoth
Apr 09, 2017

U have written wrong in cytokinses Kindly see in second part (ii) present in cytokinses okk Not in karyikineses