The correct chronology of stages of karyokinesis in mitosis is:
1. Prophase – Anaphase – Metaphase – Telophase
2. Prophase – Metaphase – Anaphase – Telophase
3. Prophase – Metaphase – Telophase – Anaphase
4. Telophase – Anaphase – Metaphase – Prophase
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMitosis is also called ‘equational division’ because:
1. | the number of chromosomes in both daughter cells are the same |
2. | the sum of the number of chromosomes in two daughter cells is equal to the number of chromosomes in the parent cell |
3. | each progeny cell receives only one set of chromosomes from the parent cell |
4. | the number of chromosomes in the parent and the progeny cells is the same |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyProphase of mitosis is not characterized by:
1. condensation of chromatin
2. migration of centrosomes to opposite poles
3. formation of mitotic apparatus
4. pairing of homologous chromosomes
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe start of the second phase of mitosis, metaphase, is marked by:
1. complete disintegration of the nuclear envelope
2. alignment of chromosomes at the equatorial plate
3. de-condensation of chromatin
4. reappearance of the nucleolus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the given two statements:
I: | Morphology of chromosomes is best studied at metaphase |
II: | At this stage, a chromosome is made up of two sister chromatids, held together at the centromere |
1. Both I and II are True and II explains I
2. Both I and II are True but II does not explain I
3. I is True but II is False
4. I is False but II is True
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAll the following key events take place during telophase of mitosis except:
1. Chromosomes cluster at the opposite spindle poles
2. Chromosomes become discrete
3. Nuclear envelope reforms
4. Nucleolus, ER and Golgi complex reform
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the correct statement amongst the following:
1. | Crossing over occurs in prophase I of meiosis and metaphase of mitosis. |
2. | DNA replication occurs once prior to mitosis and twice prior to meiosis. |
3. | Both mitosis and meiosis result in daughter cells identical to the parent cells. |
4. | Karyokinesis occurs once in mitosis and twice in meiosis. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe components of nuclear envelope are dismantled during:
1. | prophase and reconstructed during telophase |
2. | prophase and reconstructed during anaphase |
3. | metaphase and reconstructed during telophase |
4. | metaphase and reconstructed during anaphase |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAll 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology