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4 questions

  • 2023 · Question 16 · Biology

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

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)

  • 2023 · Question 18 · Biology

    Consider the following statements : 1. Some microorganisms can grow in environments with temperature above the boiling point of water. 2. Some microorganisms can grow in environments with temperature below the freezing point of water. 3. Some microorganisms can grow in highly acidic environment with a pH below 3. How many of the above statements are correct?

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)

  • 2023 · Question 55 · Biology

    With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements : 1. Biofilters provide waste treatment by removing uneaten fish feed. 2. Biofilters convert ammonia present in fish waste to nitrate. 3. Biofilters increase phosphorus as nutrient for fish in water. How many of the statements given above are correct?

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)

  • 2023 · Question 67 · Biology

    ‘Wolbachia method’ is sometimes talked about with reference to which one of the following?

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)