The mosquito life cycle includes the following stages in order:
1. Egg: Mosquitoes lay eggs on the surface of water.
2. Larva: The eggs hatch into larvae, which live in water and feed on microorganisms.
3. Pupa: Larvae develop into pupae, which are a transitional stage before becoming adults.
4. Adult: Pupae transform into adult mosquitoes, completing the life cycle.
Thus, the correct sequence is (B), (D), (C), (A).
Match List I with List II:
| List I (Exposure) | List II (Disease) |
|---|---|
| A. Cotton dust | I. Byssinosis |
| B. Asbestos | II. Silicosis |
| C. Silica | III. Asbestosis |
| D. Hay or grain dust | IV. Farmer’s lung |
Choose the correct answer from the options given below: