Lichens and Their Significance Practice Questions
20 free Lichens and Their Significance practice questions for the NCERT Biology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Lichens and Their Significance questions
- Q1. Lichens are best described as an association between:
- Q2. In a lichen thallus, the fungal component mainly provides:
- Q3. Which partner in lichens is capable of photosynthesis?
- Q4. Lichens are considered good indicators of air pollution because they:
- Q5. Which type of lichen has a flat, leaf-like thallus?
- Q6. Crustose lichens are characterized by:
- Q7. Fruticose lichens differ from foliose lichens in having:
- Q8. Which of the following correctly describes the relationship in lichens?
- Q9. The algal partner in most lichens commonly belongs to:
- Q10. Which ecological role is commonly played by lichens?
- Q11. Lichens contribute to soil formation mainly by:
- Q12. Which component of lichens is responsible for nitrogen fixation in some species?
- Q13. Lichens are classified under which major group in biological classification?
- Q14. Which of the following best explains why lichens can survive extreme environments?
- Q15. The thallus of a lichen refers to:
- Q16. Which statement about lichens is correct?
- Q17. Which of the following is a direct economic significance of lichens?
- Q18. Why are lichens absent in highly polluted urban areas?
- Q19. The fungal partner in lichens usually belongs to:
- Q20. Which of the following best summarizes the significance of lichens?