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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 |
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 |
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संबंधित प्रश्न
Synthesis phase in the cell cycle is called so, because of the synthesis of more:
A. RNA
B. RNA and proteins
C. DNA
D. Glucose
Choose the best option out of the four alternatives a, b, c and d
Question 1:
The number of chromosomes in a certain type of cell division is halved. This kind of cell
division occurs in.
(a) Only testis
(b) Only ovary
(c) Both ovary and testis
(d) All body cells
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
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.
Expand the following biological abbreviations :
DNA
Choose the correct answer:
Minimum coiling in chromosome is at ______________
Choose the correct answer:
During mitosis which of the following disintegrate ___________
Choose the correct answer:
Chromosomes number is halved in ____________
Choose the correct answer:
Thick short chromosomes can be observed at (in mitosis) ___________
Synthesis phase in the cell cycle is called so for the synthesis of more of
Explain the Term Leptotene
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.
Name the following:
Pair of genes responsible for a particular characteristic.
Write the functional activity of the following structure:
Chromosomes
Give the example of X- monosomy you have studied.
The centromere is found at the centre of the ______ chromosome.
Explain the structure of a chromosome.
Define Aneuploidy.
After a mitotic cell division, a human female cell will have ______.
