Select the option that can be used as a one-word substitute for the given group of words.
A remedy to counteract the effects of poison

Correct option is B

The correct one-word for the given group of words is (b) Antidote.
An antidote is a substance that counteracts the effects of a poison. (Hindi: विषहर औषधि)
Example: The doctor gave him an antidote for the snake bite.
Meanings of the given other options:
· (a) Antibody: A protein produced in response to an antigen (Hindi: प्रतिपिंड)
· (c) Antiseptic: A substance that prevents infection (Hindi: कीटाणुनाशक)
· (d) Antibiotic: A medicine that destroys harmful bacteria (Hindi: जीवाणुनाशक दवा)