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Question
Choose the correct answer:
In an interphase cell chromosome are as _____________
Options
microtubules
chromatin
flagella
chromatid
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Solution
In an interphase cell chromosome are as chromatin
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RELATED QUESTIONS
Name the following:
The number of chromosomes present in a nerve cell of a human being.
What is the difference between chromatin fibre and chromosome?
Correct the following statement if there is any mistake:
If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase.
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 |
Mention whether the following statement is (T) Or (F). Give reason in support of your answer.
The unfertilized human egg has half the number of chromosomes of the body cells.
Choose the correct answer:
Chromosomes number is halved in ____________
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
(i) Draw a neat labeled diagram to show the metaphase stage of mitosis in an animal cell having ‘6’ chromosome.
(ii) How many daughter cells are formed at the end of mitosis and at the end of meiosis?
(iii) With reference to cell division explain the following terms:
(Chromatid, Centromere, Haploid).
(iv) Name the type of cell division that occurs during:
1. Growth of shoot 2. Formation of pollen grains.
3. Repair of worn out tissues.
Complete the following sentence with appropriate word :
Chromosomes are _________ material.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes are the thickest and shortest in telophase.
Duplicated chromosomes are joined at a point termed ______.
Multiple Choice Question:
The period between two successive mitotic divisions is
Write the functional activity of the following structure:
Chromosome
Describe the structure of sex chromosomes with the help of labelled diagram.
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
Some of the chromosomes have an elongated knob-like appendages known as telomere.
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
Small swellings on the surface of the chromosome are called______.
After a mitotic cell division, a human female cell will have ______.
Distinguish between the following pair:
Karyotype and Karyokinesis
