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A lichen pairs a heterotrophic fungus with an autotrophic:
AAlga
BFrog
CFern
DMoss
Answer & Solution
Correct answer: A. Alga
1. A lichen is a mutual association of two organisms.
2. One partner makes food by photosynthesis.
3. That partner is an alga.
4. So the answer is an alga.
_Source: NCERT Class 9 Science, Ch 12 'Patterns in Life: Diversity and Classification'_
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