In which of the following type of organism autotrophic nutrition is found?

Bacteria

The correct answer is Option (4)- Bacteria

Autotrophic nutrition is found in Bacteria.

Explanation:

• Autotrophic nutrition refers to the ability of an organism to produce its own food using inorganic substances.
• Bacteria, specifically certain types of bacteria known as photoautotrophs, are capable of autotrophic nutrition.
• Photoautotrophic bacteria, like cyanobacteria (blue-green algae), use sunlight to convert carbon dioxide and water into organic compounds through photosynthesis.

Therefore, among the options provided, autotrophic nutrition is found in Bacteria.