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Match the following and choose the most appropriate option: (each option on both columns can be matched to multiple option on the another side ie right or left) eg. A-1,2 ; B,C,D-3 ; A,B,C-3,4

A. Lichens 1. fungal component
B. phycobiont 2.algal component
C. mycobiont 3.prepare food
4. provide shelter
5. absorb mineral nutrients and water
6. autotrophic
7. heterotrophic
8. symbiotic associations between algae and fungi

( A ) A-8; B-2,3,6; C-1,4,5,7
( B ) A-8; B-2,3,7; C-1,4,5,6
( C ) A-8; B-1,3,5,7; C-2,4,6
( D ) A-1,2,8; B-2,3,6; C-1,4,5,7
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1 Answer

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(D) is the right answer.

Lichens are symbiotic associations i.e. mutually useful associations, between algae and fungi. The algal component is known as phycobiont and fungal component as mycobiont, which are autotrophic and heterotrophic, respectively. Algae prepare food for fungi and fungi provide shelter and absorb mineral nutrients and water for its partner. Lichens are very good pollution indicators – they do not grow in polluted areas
answered Apr 2, 2014 by pady_1

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