Phytoalexins: MCQ Questions and Answers

Phytoalexins are natural compounds produced by plants in response to stressors like infection or damage. They act as defense mechanisms against pathogens, showcasing antimicrobial properties and aiding in plant protection by inhibiting the spread of infections. This is an MCQ on Phytoalexins Examples and Functions.

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1. 
What are phytoalexins?

2. 
Phytoalexins are primarily produced by plants in response to:

3. 
The production of phytoalexins is an example of a plant's:

4. 
What is the primary role of phytoalexins in plant defense against pathogens?

5. 
Resveratrol, a phytoalexin found in grapes, is known for its potential health benefits and is also found in which other plant?

6. 
Which plant family is known for producing a variety of phytoalexins, including glyceollins, in response to pathogen attack?

7. 
Which of the following is NOT a function of phytoalexins in plant defense?

8. 
What is the main mechanism by which phytoalexins inhibit the growth of pathogens?

9. 
Phytoalexin production is regulated by which signaling molecule, often involved in plant defense responses?

10. 
Which part of the plant is often the primary site of phytoalexin production in response to pathogen attack?

11. 
The term "elicitors" in plant pathology refers to:

12. 
In addition to their role in defense, phytoalexins can also have potential applications in:

13. 
The study of phytoalexins and their role in plant-pathogen interactions is a critical area of research in the field of:

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mcq on phytoalexins




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