Given below is the representation of a certain event at a particular stage of a type of cell division. Which is this stage?
1. Prophase-I during meiosis
2. Prophase-II during meiosis
3. Prophase of mitosis
4. Both prophase and metaphase of mitosis
Which stages of cell division do the following figures A and B represent respectively?
1. | Metaphase- Telophase | 2. | Telophase- Metaphase |
3. | Late anaphase- Prophase | 4. | Prophase- Anaphase |
The material, which arrests cell division, is obtained from:
1. Crocus
2. Colchicum
3. Dalbergia
4. Chrysanthemum
Phage genome site on bacterial chromosome resulted in which structure?
1. Nucleic acid
2. heterocyst
3. Prophase
4. None of these
Which one of the following precedes re-formation of the nuclear envelope during the M-phase of the cell cycle?
1. | Decondensation from chromosome and reassembly of the nuclear lamina |
2. | Transcription from chromosome and reassembly of the nuclear lamina |
3. | Formation of the contractile ring and formation of the phragmoplast |
4. | Formation of the contractile ring and transcription from chromosomes |
1. Cell of lateral meristem
2. Cells of apical meristem
3. Microsporocytes
4. Microspores and anther wall
Cells in phase:
1. terminate the cell cycle
2. exit the cell cycle
3. enter the cell cycle
4. suspend the cell cycle
The correct sequence of phases in cell cycle is:
1.
2.
3.
4.
The microtubules from the opposite poles of the spindle attach to the pair of homologous chromosomes in
1. Metaphase - I
2. Prophase - I
3. Metaphase
4. Metaphase - II