Multiple choice

Which of the following organisms are carotenoid producers?

  1. Choanephora cucurbitarum,Phycomyces blakesleeanus, and Streptomyces chrestomyceticus

  2. Pedicoccus cerevisiae, Chromohalobacter beijerinckii and Bacillus species

  3. Candida krusei, Penicillium camemberti and Leuconostoc plantarum

  4. Pseudomonas denitrificans, Bacillus megaterium and Streptomyces olivaceus
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A Correct answer
Explanation

All these organisms produce carotenoids. Phycomyces blakesleeanus and Choanephora cucurbitarum produce beta carotene and Streptomyces chrestomyceticus produces lycopene.

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