MCQ
Population day is celebrated on:
- A11 July
- ✓21 July
- C31 July
- D11 August
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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
$(a)$ It came into India as a contaminant with imported wheat
$(b)$ It causes allergy
$(c)$ Asexual reproduction occurs in its flower