Nutritional Classification of Bacteria MCQ




Bacterial nutrition varies widely, encompassing autotrophic and heterotrophic modes. Autotrophic bacteria synthesize their own organic compounds from inorganic sources, while heterotrophic bacteria rely on organic materials from their environment. This adaptability allows bacteria to thrive in diverse ecosystems. This post on Nutritional Classification of Bacteria MCQ will help you to understand the classification and types of bacteria based on their dietary requirements.

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1. 
Bacteria can be classified into different nutritional groups based on their energy and carbon sources. Autotrophic bacteria obtain carbon from:

2. 
Heterotrophic bacteria obtain their carbon from:

3. 
Chemoautotrophic bacteria obtain energy from:

4. 
Photoheterotrophic bacteria obtain energy from:

5. 
Bacteria that can use both inorganic and organic compounds as carbon sources are known as:

6. 
Which of the following is NOT a macronutrient required by bacteria for growth and survival?

7. 
The process by which bacteria take up and incorporate external DNA fragments into their genome is known as:

8. 
Bacteria that require oxygen for their metabolism are classified as:

9. 
Bacteria that can survive and grow in the absence of oxygen are classified as:

10. 
Facultative anaerobic bacteria:

11. 
Nitrogen-fixing bacteria convert atmospheric nitrogen into a usable form, such as:

12. 
Symbiotic nitrogen-fixing bacteria live in association with certain plant roots and form structures known as:

13. 
Bacteria that can grow and thrive in extreme environments, such as high temperature or high salinity, are known as:

14. 
Bacteria can obtain energy through various metabolic pathways. Which pathway involves the breakdown of glucose into pyruvate and subsequent production of ATP?

15. 
The Calvin cycle is involved in the process of carbon fixation in bacteria that perform:

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