Transfusion of infected blood is main reason for spread of diseases like
A. AIDS
B. Hepatitis B
C. both a and b
D. Polio
Related Questions on Chapter 8: Micro Organisms & Diseases - Science Mcqs for Grade 8
Diseases which are caused by micro-organisms are called
A. contagious
B. venereal
C. infectious
D. incurable
A medicine which contain dead or weakened germs is used to prevent infectious disease is called a
A. antiseptic
B. antibodies
C. antibiotics
D. vaccine
The use of organisms specially micro-organisms in the manufacture or industrial processes is called
A. biotechnology
B. bioengineering
C. chemical process
D. genetic engineering