engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) English Vocabulary One Word Substitution
Directions: Select the option that can be used as a one-word substitute for the given group of words.
A medicine with no active properties prescribed for mental relief of a patient rather than for any physiological effect.
1
Antidote
2
Placebo
3
Drug
4
Serum