Correct option is B
Correct Answer: (b)
Explanation
Lichens are a
symbiotic association between:
·
Fungus (Mycobiont}:
· Provides shelter and protection.
· Absorbs and supplies water and minerals.
·
Alga (Phycobiont}:
· Contains chlorophyll.
· Performs photosynthesis and prepares food.
Thus,
Option (b} is correct.
Why the other options are incorrect?
·
Option 1: Food is prepared by algae, not fungi.
·
Option 3: Nitrogen fixation is generally done by certain cyanobacteria, not by all algae in lichens.
·
Option 4: Fungi lack chlorophyll and are heterotrophic.
Additional Information
| Partner |
Function |
| Fungus (Mycobiont} |
Shelter, water, minerals |
| Alga (Phycobiont} |
Photosynthesis, food preparation |
· Pioneer species in ecological succession.
· Indicators of air pollution (sensitive to SO2}
· Help in soil formation by weathering rocks.
English
150 Questions
150 Marks
150 Mins
