Advertisements
Advertisements
प्रश्न
Mention any three ways by which potable water can be contaminated.
टीपा लिहा
उत्तर
Contamination of potable water can occur due to
- Improper disposal of sewage
- Defecation and urination near lakes, rivers or ponds
- Drainage of animal wastes and washings from dairies and poultries into water bodies
shaalaa.com
Control of Disease Carriers (Vectors)
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
No urination due to shortage of water in the body is a typical symptom of
How are cockroaches and rats harmful to humans?
Name the two common kinds of mosquitoes and the diseases they transmit.
Typhoid is caused by
Describe the different ways by which the housefly contaminates our food.
Name the following:
Organisms that cause disease.
Name the following:
Science of maintaining good health.
Explain the following:
Flies should not be allowed to sit on edible things.
Explain the following:
Our kitchen should be free from flies and cockroaches
Name the following:
Any disease caused by rats.
