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Biology · BIOLOGICAL CLASSIFICATION

हिन्दी

Chemosynthetic autotrophic bacteria play a crucial role in nutrient recycling in ecosystems. What is the exact energy source they utilize for ATP production?

  1. Direct sunlight trapped by bacteriochlorophyll pigments
  2. Energy released from oxidation of inorganic substances like nitrates, nitrites, and ammonia
  3. Anaerobic fermentation of starch into lactic acid
  4. Organic compounds absorbed from decaying substrates

Correct answer · Option 2

Energy released from oxidation of inorganic substances like nitrates, nitrites, and ammonia

Explanation

Chemosynthetic autotrophic bacteria oxidize inorganic substances such as nitrates, nitrites, and ammonia, and use the released energy for ATP production.
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