Q. No.In plant cells phragmoplast is assembled from:
1.
vesicles secreted by Golgi complex
2.
remnants of mitotic spindle
3.
centrosome
4.
tonoplast
In fruit flies, which have 4 chromosome pairs, the number of possible arrangements of chromosomes in resultant haploid cells at the end of meiosis II is:
| 1. | 2 | 2. | 8 |
| 3. | 16 | 4. | 64 |
Consider the given two statements:
| I: | Most adult neuronal cells in humans reside in a terminal G0 phase. |
| II: | The adult neuronal cells are not very active metabolically and are not differentiated to a higher degree. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and II are correct but II does not explain I |
| 3. | I is correct and II is incorrect |
| 4. | Both I and II are incorrect |
The cell shown in the diagram is most likely at:
| 1. | Metaphase I | 2. | Metaphase II |
| 3. | Anaphase I | 4. | Anaphase II |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
At the cytokinesis furrow, what drives the cleavage process in animal cells?
| 1. | Kinetochore microtubules |
| 2. | Interpolar microtubules |
| 3. | Centrosomes |
| 4. | actin-myosin contractile ring |
Synthesis of histone proteins occurs during:
| 1. | S-phase of the cell cycle. |
| 2. | G1-phase of the cell cycle. |
| 3. | G2-phase of the cell cycle. |
| 4. | M-phase of the cell cycle. |
In G1 phase, a meiocyte has 2N chromosome content and 2C DNA content. The chromosome and DNA content in each cell at the end of first meiotic division would be:
| 1. | 1N; 1C | 2. | 1N; 2C |
| 3. | 2N; 4C | 4. | 2N; 2C |
Consider the given two statements:
| I. | Sex chromosomes in male mammals also undergo synapsis in meiosis I |
| II. | Sex chromosomes are homologous chromosomes |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and are correct but II does not explain I |
| 3. | I is correct and II is incorrect |
| 4. | Both I and II are incorrect |
Apart from tissue stem cells, which of the following cells in the human body are good examples of being in reversible G0 phase?
| 1. | Mature hepatocytes |
| 2. | Senescent cells |
| 3. | Differentiated muscle |
| 4. | Differentiated bone |
Preprophase is an additional phase during mitosis in:
1. Animal cells
2. Plant cells
3. Fungal cells
4. Bacterial cells
© 2026 GoodEd Technologies Pvt. Ltd.