Match the stages of meiosis in Column I to their characteristic features in Column II and select the correct option using the codes given below:
Column I
Column II
(a)
pachytene
(1)
pairing of homologous chromosomes
(b)
metaphase I
(2)
terminalisation of chiasmata
(c)
diakinesis
(3)
crossing-over takes place
(d)
zygotene
(4)
chromosomes align at equatorial plate
1. a-3 b-4 c-2 d-1
2. a-1 b-4 c-2 d-3
3. a-2 b-4 c-3 d-1
4. a-4 b-3 c-2 d-1
| Column I | Column II | ||
| (a) | pachytene | (1) | pairing of homologous chromosomes |
| (b) | metaphase I | (2) | terminalisation of chiasmata |
| (c) | diakinesis | (3) | crossing-over takes place |
| (d) | zygotene | (4) | chromosomes align at equatorial plate |
A somatic cell that has just completed the S-phase of its cell cycle, as compared to a gamete of the same species has:
| 1. | twice the number of chromosomes and twice the amount of DNA |
| 2. | the same number of chromosomes but twice the amount of DNA |
| 3. | twice the number of chromosomes and four times the amount of DNA |
| 4. | four times the number of chromosomes and twice the amount of DNA |
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 |
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 |
2. D-synthetic phase
3. A-cytokinesis
4. B-prophase
© 2025 GoodEd Technologies Pvt. Ltd.