MCQ
The following is an indicator of industrial pollution:
- APanspermia
- BDead yeast
- CBouganvillia
- ✓Lichen
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$(i)$ Fleming, Chain and Florey were awarded the Nobel prize in $1945$
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases
$(iii)$ Penicillin was used to treat American soldiers wounded in World War I