Biology
The chemical substance mainly responsible for tooth disorders is
- Calcium
- Chloride
- Fluorides
- Iodides
Related Questions
Which one of the following is an unhealthy habit?
- Removing wax from inside the ears
- Keeping the mouth closed while breathing
- Sleeping for only 6-7 hours
- Sharing towels with others
The protozoan that causes malaria is:
- Entamoeba histolytica
- Euglena
- Paramecium
- Plasmodium
Typhoid is caused by
- Housefly
- Bacteria
- Virus
- None of the above
The germ causing Hepatitis is transmitted through:
- The bite of a mosquito
- Contamination of food by a housefly
- Personal contact with a patient
- Contaminated water