Surgical contraceptive methods: Surgical contraceptive methods include vasectomy for males and tubectomy for females. Vasectomy involves cutting or sealing the vas deferens, and tubectomy involves cutting or blocking the fallopian tubes.
Side effects: Some possible side effects include: Post-surgical complications like pain, swelling, and infection. In rare cases, there can be psychological effects due to the permanence of the procedure. For women, tubectomy can sometimes cause hormonal imbalance or menstrual irregularities.
| Case No. | Lens | Focal Length | Object Distance |
|---|---|---|---|
| 1 | \(A\) | 50 cm | 25 cm |
| 2 | B | 20 cm | 60 cm |
| 3 | C | 15 cm | 30 cm |
Pure-tall (TT) pea plants are crossed with pure-dwarf (tt) pea plants. The pea plants obtained in F1 generation are then self-pollinated to produce F2 generation.
(i) What do the plants of F1 generation look like? Justify your answer.
(ii) What is the ratio of pure-tall plants to pure-dwarf plants in F2 generation?
| Case No. | Lens | Focal Length | Object Distance |
|---|---|---|---|
| 1 | \(A\) | 50 cm | 25 cm |
| 2 | B | 20 cm | 60 cm |
| 3 | C | 15 cm | 30 cm |