Select the most appropriate option to fill in the blank.
He fell unconscious due to a snake bite, so the doctor quickly gave him __________.

Correct option is C

The correct option to fill in the blank is (c) the antidote.
Explanation: An antidote is a medicine taken or given to counteract a particular poison. In the context of a snake bite, administering an antidote (also known as anti-venom) is the correct and logical medical response. (Hindi: विषहर औषधि)
Example: The doctor gave the snakebite victim an antidote immediately.
Explain why other options are incorrect:
· the antibiotic: A drug that fights bacterial infections. (Hindi: जीवाणुनाशक औषधि)
· the antigen: A substance that induces an immune response. (Hindi: प्रतिजन)
· the antiquary: A person who studies or collects antiques. (Hindi: प्राचीन वस्तुओं का संग्रहकर्ता)