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प्रश्न
Match the events given in column A with the phase in mitotic cell division in column B.
| Column ‘A’ | Column ‘B’ | ||
| 1. | Chromosomes get arranged in a horizontal plane at the equator. |
a. | Anaphase |
| 2. | Daughter chromosomes move to the opposite poles of a spindle |
b. | Prophase |
| 3. | Chromosomes become visible as fine, long threads. |
c. | Telophase |
| 4. | Chromosomes lose their distinctiveness and gradually become transformed into a chromatin network. |
d. | Metaphase |
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उत्तर
| Column ‘A’ | Column ‘B’ | ||
| 1. | Chromosomes get arranged in a horizontal plane at the equator. |
d. | Metaphase |
| 2. | Daughter chromosomes move to the opposite poles of a spindle |
a. | Anaphase |
| 3. | Chromosomes become visible as fine, long threads. |
b. | Prophase |
| 4. | Chromosomes lose their distinctiveness and gradually become transformed into a chromatin network. |
c. | Telophase |
संबंधित प्रश्न
Name the sex chromosomes in human males and females
The Chromatin material is formed forms of ______.
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
Choose the correct answer:
Chromosomes appear at equator in ____________
Choose the correct answer:
Chromosomes number is halved in ____________
Label the lettered parts of the given figure and answer the following questions:
(i) What does this diagram represent?
(ii) What is the importance of'd'?
(iii) What are the 'staining' properties of 'b' and 'c'?
(iv) Who gave the term used for this structure today?
(v) What is a?
(vi) Is 'e' present in all chromosomes?
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
State how does meiosis maintains chromosome number in a species.
Give Reasons for the following
The meiosis is called reductional division
Give a reason for the following:
Gametes must be produced by meiosis for sexual reproduction.
Name the following:
Microtubules form the bipolar spindle in which stage.
Name the following:
The part of the cell associated with heredity.
Give Technical Terms
The phase of meiosis at which homologous chromosomes are separated.
Complete the following sentence with appropriate word :
Chromosomes are _________ material.
Multiple Choice Question:
The period between two successive mitotic divisions is
Name the following:
Pair of genes responsible for a particular characteristic.
Explain the structure of chromosomes with labelled diagram.
The thin thread-like structures found in the nucleus of each cell are called ______.
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
After a mitotic cell division, a human female cell will have ______.
