Q. No.Identify the incorrect statement regarding cytokinesis:
1.
Animal cells divide by cleavage furrow
2.
Cell plate formation takes place during cytokinesis in plant cells
3.
The cell wall formation in plant cells starts near the existing lateral walls and grows inwards
4.
At cytokinesis, mitochondria and plastids are distributed between daughter cells
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Liquid endosperm in coconut forms due to:
1. Failure of cytokinesis after karyokinesis
2. Failure of karyokinesis before cytokinesis
3. Disruption of spindle fibers at metaphase
4. Continued DNA replication during cytokinesis
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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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