| 1 |
Presence of third copy of homoglus chromosomes in the cell is called ........... . |
- A. Monosomy
- B. Disomy
- C. Trisomy
- D. Tetra somy
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| 2 |
The phases of cell cycle are: |
- A. Interphase
- B. Division phase
- C. Both a and b
- D. None
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| 3 |
The longest phase is:<br><br> |
- A. Mitotic phase
- B. Meiosis
- C. Cell cycle
- D. Interphase
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| 4 |
Chromosomes are not visible during: |
- A. Anaphase
- B. Prophase
- C. Interphase
- D. Metaphase
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| 5 |
In which stage of the cell cycle most cells spend their lives? |
- A. Prophase
- B. Metaphase
- C. Interphase
- D. Telohase
|
| 6 |
Chromosomes become double during: |
- A. G<sub>1</sub>
- B. G<sub>2</sub>
- C. G<sub>0</sub>
- D. S phase
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| 7 |
Cytokineses in a plant cell is characterized by: |
- A. The equal division of homologous chromosomes
- B. A pinching off a cell membrane to divide the cell
- C. The formation of a cell plate in the cytoplasm
- D. The movement of the chromosomes from the metaphase plate
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| 8 |
Who introduced Taxon of 'order' in classification? |
- A. Caesalpino
- B. John Ray
- C. Tournefort
- D. Rivinus
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| 9 |
Necrosis is death due to ............ cell damage. |
- A. Unexpected
- B. Accidental
- C. Both a & b
- D. None
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| 10 |
Which of the following is unique to mitosis and not a part of meiosis? |
- A. Homologous chromosomes pair forming bivalents
- B. Homologous chromosomes cross over
- C. Chromosomes pairs are broken during anaphase
- D. Chromatids separate during anaphase
|
