Q. No.At the metaphase plate:
1.
The sister chromatids of a chromosome are connected by their kinetochores to the spindle fibers from the same pole
2.
The non sister chromatids of a chromosome are connected by their kinetochores to the spindle fibers from the same pole
3.
The sister chromatids of a chromosome are connected by their kinetochores to the spindle fibers from the opposite poles
4.
The non sister chromatids of a chromosome are connected by their kinetochores to the spindle fibers from the opposite poles
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The Mitotic [M] phase of a typical eukaryotic cell is divided into:
| 1. | Two stages | 2. | Three stages |
| 3. | Four stages | 4. | Five stages |
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During which stage of mitosis do the following events occur?
I. Centromeres split and chromatids separate
II. Chromatids move to opposite poles
| 1. | Prophase | 2. | Metaphase |
| 3. | Anaphase | 4. | Telophase |
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Which of the following is not a continuous process during cell cycle?
1. Synthesis of DNA
2. Cell growth
3. Metabolism
4. Both cell growth and metabolism
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Match each item in Column I with one in Column II and select the correct answer from the codes given below:
|
Column I |
|
Column II |
|
|
A |
Zygotene |
a |
Pairing of homologous chromosomes |
|
B |
Pachytene |
b |
Appearance of chiasma |
|
C |
Diplotene |
c |
Terminalization of chiasma |
|
D |
Diakinesis |
d |
Crossing over |
Codes:
| A | B | C | D | |
| 1. | a | c | b | d |
| 2. | a | d | b | c |
| 3. | a | b | c | d |
| 4. | b | c | d | a |
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The cell shown in the given diagram is in:
 |
|
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Identify the incorrect statement:
| 1. | The nuclear membrane and nucleolus reappear during Telophase I |
| 2. | The nuclear membrane disappears by the end of Prophase II |
| 3. | DNA replicates during interkinesis between meiosis I and meiosis II |
| 4. | Chromosomes do not reach the extremely extended state of interphase nucleus |
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All the following are significances of mitosis except:
1. Restoration of nuclear/cytoplasmic ratio
2. Growth of living organisms
3. Replacement of lost cells
4. Generation of genetic variation
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