MCQ
First antibiotic was discovered in the year:
- ✓$1928$
- B$1914$
- C$1980$
- D$1930$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$R -$ A typical angiosperm embryo sac, at maturity,though $8$-nucleate is $7$-celled