Which of the following statements accurately describes the …

Biology Biological Classification Introduction and Kingdom–Monera Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

Which of the following statements accurately describes the metabolic diversity of bacteria?

Bacteria are exclusively autotrophic, synthesizing their own food from inorganic substrates.

Bacteria are primarily photosynthetic autotrophs, relying on sunlight for food production.

Bacteria exhibit extensive metabolic diversity, including both autotrophic and heterotrophic modes of nutrition.

Bacteria are mainly heterotrophs, obtaining their food solely from other organisms.

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Extensive Diversity: Compared to many other organisms, bacteria exhibit the most extensive metabolic diversity.

Autotrophic Mode: Some bacteria are autotrophic, meaning they synthesize their own food from inorganic substrates, including photoautotrophs (using light) and chemoautotrophs (using chemical reactions).

Heterotrophic Mode: The vast majority of bacteria are heterotrophs, relying on other organisms or dead organic matter for food.

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