MCQ on Secondary Metabolites in Plants




MCQ on Secondary Metabolites in Plants: Secondary metabolites are organic compounds not directly involved in growth or development but crucial for ecological interactions and adaptation. They include various phytochemicals like alkaloids, flavonoids, and terpenoids. These compounds serve functions such as defence against herbivores, attraction of pollinators, and responses to environmental stressors.

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1. 
Secondary metabolites in plants are:

2. 
What is the primary function of secondary metabolites in plants?

3. 
Which of the following is an example of an alkaloid, a class of secondary metabolites?

4. 
Tannins, a group of secondary metabolites, have what significance in plants?

5. 
Which secondary metabolite is responsible for the blue or purple color of many fruits and flowers?

6. 
What is the function of terpenoids in plants?

7. 
The group of secondary metabolites that includes compounds like menthol and camphor is called:

8. 
Which of the following is a potential medicinal use of secondary metabolites from plants?

9. 
Quinine, obtained from the bark of the cinchona tree, is used to treat:

10. 
The scent of roses is due to the presence of which group of secondary metabolites?

11. 
Which secondary metabolite acts as a natural insect repellent in plants?

12. 
The secondary metabolite resveratrol, found in grapes, is associated with:

13. 
What is the role of secondary metabolites in plant-microbe interactions?

14. 
The primary role of flavonoids in plants is to:

15. 
How do secondary metabolites contribute to the biodiversity of plants?

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