Hepatitis-B is caused by which micro-organism?
A. Virus
B. Protozoa
C. Bacteria
D. None of these
Answer: Option A
A. Virus
B. Protozoa
C. Bacteria
D. None of these
Answer: Option A
Which one of the following is useful in the treatment of scurvy disease?
A. Mango
B. Papaya
C. Aonia
D. Ber
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