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Subjects
Science CBSE
Class 8
Microorganisms - Friend and Foe
Helpful and diseasecausing microorganisms
23.
Hepatitis B virus
Exercise condition:
4.5
m.
Choose the best answer:
1
.
Which of the following is the correct option to prevent and control Serum Hepatitis.
Injection of drugs to be prevented
Screening of blood donors before blood donation.
Sharing of razors should be avoided
All the above
2
.
Hepatitis -B is also known as
Plasma Hepatitis
Erythromatic Hepatitis
None of the above
Serum Hepatitis
3
.
Enteroviruses are usually spread through an infected person to a healthy person by __________
Saliva
Sweat
Breast milk
All the above
None of the above
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