ScienceCLASS 9CBSE
answered 27 Mar 2026We should not allow mosquitoes to breed in our surroundings because they (a) multiply very fast and cause pollution (b) are vectors for many diseases (c) bite and cause skin diseases are not important insects
A.VERIFIED ANSWERfact-checked by tutors
- Soln:
Answer is (b) are vectors for many diseases
Explanation:
Mosquitos are dangerous as they spread disease like Malaria, Dengue, Japanese encephalitis etc.