Indira Gandhi National Open University General Ignou Tee 2020 Lse-02 (ecology) question paper model question papers



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Posted Date: 01 Jun 2021      Posted By:: Shubham Jain    Member Level: Silver  Points: 3 (₹ 2)

2020 Indira Gandhi National Open University General B.Sc Life science Ignou Tee 2020 Lse-02 (ecology) question paper Question paper



Course: B.Sc Life science   University/board: Indira Gandhi National Open University

Searching for previous question of Ignou B.Sc. course? Here is the end of your search for TEE Lse-02 (ecology) question paper of June 2020. Hope this will help you in your preparation.



Q1. (a) Define the following terms: [5 marks]
(i) Synecology
(ii) Population
(iii) Biomass
(iv) Food web
(v) Desertification
(b) Match Column A with Column B: [5 marks]
Q2. Attempt any four of the following questions: [5 each]
(a) Differentiate between the following:
(i) Ephemeral annuals and succulents
(ii) Symbiotic Nitrogen fixers and Non-symbiotic Nitrogen fixers.
(b) Discuss the outcomes of deforestation.
(c) Describe the process of soil formation.
(d) Explain hydrological cycle and its importance.
(e) Briefly describe the processes involved in succession of terrestrial or aquatic ecosystem.
Q3. Attempt any two of the following questions: [10 each]
(a) Describe the relationship of plants and herbivores by giving examples of plants defence mechanisms.
(b) Describe the main causes and consequences of ecosystem degradation.
(c) Discuss the causes and effects of air pollution.



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