Study Material

ECOLOGYCAL ADAPTATIONS, SUCCESSION AND ECOLOGICAL SERVICES

Botany

Inter First Year

English

Very Short Answer Questions

Q1. Climax stage is achieved quickly in secondary succession as compared to primary succession. Why?

Q2. Among bryophytes, lichens and ferns which one is a pioneer species in a xerie succession?

Q3. Give any two examples of xerarch succession.

Q4. Name the type of land plants that can tolerate the salinities of the sea.

Q5. Define heliophytes and sciophytes. Name a plant from your locality that is either heliophyte or sciophyte.

Q6. Define population and community.

Q7. Define communities? Who classified plant communities into hydrophytes, mesophytes and xerophytes?

Q8. Hydrophytes show reduced xylem. Why?

Short Answer Questions

Q1. What are hydrophytes? Briefly discuss the different kinds of hydrophytes with examples.

Q2. Enumerate the morphological adaptations of hydrophytes.

Q3. List out the anatomical adaptations of hydrophytes.

Q4. Write a brief account classification of xerophytes. on

Q5. Enumerate the morphological adaptations of xerophytes.

Q6. Give in detail the anatomical adaptations shown by xerophytes.

Q7. Define Plant succession. Differentiate primary and secondary successions.

Q8. Define ecosystem/ecological services. Explain in brief with regard to pollination.

Q9. Write about the measures to be taken to sustain ecological functions.

Q10. What measures do you suggest to protect the pollinators?

Long Answer Questions

Q1. Give an account of ecosystem services with reference to carbon fixation and oxygen release.