MCQ
Sir Alexander Fleming extracted penicillin from
- APenicillium citrinum
- ✓Penicillium notatum
- CPenicillium chrysogenum
- DBacillus brevis
(b) First antibiotic penicillin from blue -green fungus Penicillium notatum in agar -agar medium, contributed by Sir Alexander Flemming in $1928$.
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$(1)$ Haemophilia is a sexlinked recessive disease.
$(2)$ Down’s syndrome is due to aneuploidy.
$(3)$ Phenylketonuria is an autosomal recessive gene disorder.
$(4)$ Sickle cell anaemia is an $X$-linked recessive gene disorder.