Pathogens spread through air (cough or sneeze), water (contaminated drinking), food, insect bites, direct contact or touching infected objects. Sharing personal items or living in unclean surroundings also increases the risk of infection.
Class 8 NCERT Science Curiosity Chapter 3 Health: The Ultimate Treasure solutions
class 8 science chapter 3 health the ultimate treasure question answer
Pathogens spread in many ways. Through air—when an infected person coughs or sneezes. Through water and food—if contaminated by germs. Through direct contact—like touching an infected person. Through insect bites—like mosquitoes spreading malaria or dengue. Through indirect contact—like sharing towels or surfaces. That’s why hygiene, clean drinking water, proper waste disposal and using masks are important in stopping the spread of communicable diseases.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/