Which type of pathogen causes the water-borne disease dysentery?
A. Algal
B. Parasitic
C. Protozoan
D. Bacterial
Answer: Option D
A. Algal
B. Parasitic
C. Protozoan
D. Bacterial
Answer: Option D
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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