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Question

Biology Question on Microbes in human welfare

Which of the following is used as bioinsecticide?

A

Bacillus polymyxa

B

Cylindrospermum licheniforme

C

Phytophthora palmivora

D

Chrysanthemum cinerarifolium

Answer

Chrysanthemum cinerarifolium

Explanation

Solution

Bacillus polymyxa and Cylindrospermum licheniforme are free living nitrogen fixing bacteria and cyanobacteria respectively. Phytophthora palmivora is a mycoherbicide. Pyrethrum is an insecticide obtained from the inflorescence of Chrysanthemum cinerarifolium.