| 1 |
Microtubules are composed of protein, tubulin and traces of. |
- A. DNA
- B. Glycolipid
- C. RNA
- D. Phospholipid
|
| 2 |
The series of changes which involve period of growths replication of DNA followed ny cell division may be named as |
- A. DNA cycle
- B. Nuclear cycle
- C. Cell cycle
- D. Chemical cycle
|
| 3 |
Downs syndrome (Mongolism) occurs in man during which 21<sup>st</sup> chromosome falls to segregate resulting gamete with |
- A. 20 chromosomes
- B. 21 chromosomes
- C. 22 chromosomes
- D. 24 chromosomes
|
| 4 |
Synapsis occurs duiring. |
- A. Pachytene
- B. Leptotene
- C. Zygotene
- D. Diplotene
|
| 5 |
Chiasmata formation take place duirng. |
- A. Leptotene
- B. diakinesis
- C. Diplotene
- D. Pachytene
|
| 6 |
The stage that lasts for days, weeks or event years |
- A. Zygotene
- B. Leptotene
- C. Pachytene
- D. Diplotene
|
| 7 |
What are significant happening of meiosis. |
- A. Crossing over
- B. Random assortment of chromosome
- C. Linkage
- D. Crossing over and random assortment of chromosomes
|
| 8 |
Which will occur as a result of nondescent of the testes? |
- A. Mal esex hormones will not be circulated in the body
- B. Sperm will have no means of exit from the body
- C. Inadequate blood supply will retard the development of the testes
- D. Variable sperm willnot be produced
|
| 9 |
During cell division, the nuclear division is called. |
- A. Cytokinesis
- B. Karyokinesis
- C. Plasmolysis
- D. Karyotype
|
| 10 |
Chromatin network is visible during |
- A. Interphase
- B. Prophase
- C. Anaphase
- D. Metaphase
|