Q.
Amphetamines and caffeine respectively act as
Amphetamines
Caffeine
a
Stimulant
Depressant
b
Depressan
Depressant
c
Depressant
Stimulant
d
Stimulant
Stimulant
| Amphetamines | Caffeine | ||
|---|---|---|---|
| a | Stimulant | Depressant | |
| b | Depressan | Depressant | |
| c | Depressant | Stimulant | |
| d | Stimulant | Stimulant | |
Human Health and Disease
Solution: