Quinine used for treatment of malarial fever is extracted from

  • A

    Atropa belladonna

  • B

    Cinchona officinalis

  • C

    Aconitum napellus

  • D

    Rauwolffiaserpentina

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Identify the blank spaces $A, B, C$ and $D$ given in the following table and select the correct answer

Types of Microbes Scientific Name Commercial Product
Bacterium $A$ Clot buster enzyme
$B$ Aspergillus niger  
Fungus Trichoderma polysporum $C$
Bacterium $D$ Butyric acid