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Transportation in Animals and Plants — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceTransportation in Animals and Plants1 Mark
MCQ
Lichens are the association of:
  • A
    An autotroph and a saprotroph
  • ✓
    An autotroph and a heterotroph
  • C
    A green plant and non$-$green plant
  • D
    All the above
✓

Answer

Correct option: B.
An autotroph and a heterotroph
In organisms called lichens, a chlorophyll $-$ containing partner, which is an alga, and a fungus live together.
The fungus provides shelter, water and minerals to the alga and, in return, the alga provides food which it prepares by photosynthesis. Heterotrophs are dependable organisms while saprotrophs are not.
Thus, an autotroph and a heterotroph make a perfect match for each other.

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