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Give Important Characters of Meiosis.

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Question

Give important characters of meiosis.
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Solution

Few important characteristics of Meiosis are:
(i) Meiosis occurs in germ cells only.
(ii) It results in the formation of gametes.
(iii) Chromosome number of the parent cell is halved.
(iv) Daughter cells differ from the parent cell.

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Chapter 1: Cell Division - Exercise 1 [Page 11]

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Frank Biology Part 2 [English] Class 10 ICSE
Chapter 1 Cell Division
Exercise 1 | Q 11 | Page 11

RELATED QUESTIONS

The diagram given below represents a certain stage of mitosis: 

  1. Identify the stage of cell division.
  2. Name the parts labelled A and B.
  3. What is the unique feature observed in this stage?
  4. How many daughter cells are formed from this type of cell division?

Genetic recombination occurs in ______ phase of prophase of meiosis-I.


Define the following:

Karyokinesis


Fill in the blank:

______ is the indirect cell division.


The diagram given alongside represents a stage in cell division.
Study the same and answer the questions that follow:

(i) Identify the stage of cell division.
(ii) Name the parts labeled A,B,C and D.
(iii) What is the unique feature observed in this stage?
(iv) Where does this type of cell division usually occur?
(v) How many daughter cells are formed from this type of cell division?
(vi) Is the dividing cell shown a plant or an animal cell?
Give a reason to support your answer.


The fig given alongside shows a certain stage in a cell division in a cell  with four chromosomes.

(i) Name the parts of the chromosome labeled A and B.
(ii) Name the structure C. what is its function?
(iii) Name the type of division . Give a reason.
(iv) Name the stage of division.
(v) Name the stages before and after the stage shown in diagram.


Choose the correct answer:
Which division takes most time?


Differentiate between Centrosome and centromere.


Draw a labeled schematic representation of mitosis cell division.


Name the following:

The kind of division normally seen at the tip of the root and shoot system.


Give Technical Terms

Division of nucleus.


Complete the following sentence with appropriate word  :

Colchicine arrests cell division at __________.


Multiple Choice Question:

Karyokinesis is the division of


Write the functional activity of the following structure:

Colchicine


Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the terms in Column ‘II’ with a suitable idea given in Column ‘I’.

Column I Column II
(i) Anaphase (a) Chromosomes become arranged in a horizontal plane at the equator.
(ii) Prophase (b) Daughter chromosomes move to opposite poles of the spindle.
(iii) Telophase (c) Chromosomes become visible as fine, long threads.
(iv) Metaphase (d) Chromosomes lose their distinctiveness and gradually become transformed into chromatin network.

In which stage of mitosis the chromosomes align in an equatorial plate? How?


Give the sequence of the events occurring during the prophase of mitosis.


During Mitosis what is the position of chromatids in the anaphase?


Match List - I with List - II.

List - I List - II
A. Centromere I. Mitochondrion
B. Cilium II. Cell division
C. Cristae III. Сell movement
D. Cell membrane IV. Phospholipid Bilayer

Choose the correct answer from the options given below:


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