9th Biology Chapter5 Cell Cycle
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | Programmed cell death: | Necrosis | Apoptosis | Endocytosis | Exocytosis | 2 | Major phases of cell cycle are: | 2 | 3 | 4 | 5 | 3 | The number of chromosomes in humans: | 45 or 43 | 47 or 45 | 46 | All of these | 4 | Spindle fibers are formed during: | Prophase | Metaphase | Anaphase | Telophase | 5 | The phase in which crossing over occurs? | Anaphase | Metaphase | Prophase I | Prophase II | 6 | Which animal shows regeneration? | Amoeba | Paramecium | Sea star | Hydra | 7 | Who discovered crossing over? | Walter Flemming | Oscar Hertwig | August Weismann | T. H. Morgan | 8 | Mitosis consists of phases: | 1 | 2 | 3 | 4 | 9 | Tumors are produced as a result of error in: | Meiosis | Mitosis | Binary fission | Multiple fission | 10 | Gametophyte generation produces haploid gametes through: | Mitosis | Meiosis | Budding | Fragmentation | 11 | The phenomenon of spreading cancer: | Infection | Regeneration | Metastasis | All of these | 12 |