A substance that stimulates the production of antibodies when introduced into a living organism is known as
A. carcinogen
B. androgen
C. antigen
D. oestrogen
Answer: Option C
A. carcinogen
B. androgen
C. antigen
D. oestrogen
Answer: Option C
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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