Q16 · UPSC Prelims 2023 · Set A · Environment and Ecology

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Consider the following statements:1.Some mushrooms have medicinal properties.2.Some mushrooms have psychoactive properties.3.Some mushrooms have insecticidal properties.4.Some mushrooms have bioluminescent properties.How many of the above statements are correct?

A Only one
B Only two
C Only three
D All four

Correct answer: (d) All four

Explanation

  1. A

    Only one

    Only one. All four mushroom properties exist.

  2. B

    Only two

    Only two. Under-counts.

  3. C

    Only three

    Only three. Bioluminescence and insecticidal uses also exist.

  4. D

    All four

    All four. Medicinal, psychoactive, insecticidal and bioluminescent mushrooms are all real.

Summary. Official key is (d) all four. Ganoderma and others are medicinal; Psilocybe is psychoactive; some entomopathogenic fungi / extracts are insecticidal; Mycena and others glow (foxfire). None of the four statements fails.