Assertion : Most orchid seedlings cannot develop well in the absence of fungal mycelium.
Reason : Fungal mycelium increases efficiency of absorption only

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion
B. If both assertion and reason are true but reason is not the correct explanation of assertion
C. If assertion is true but reason is false
D. If both assertion and reason are false

Answer

C

Explanation

Some fungi form a mutually beneficial or symbiotic association with the roots of higher plants. In seedling stage of most orchids, the fungal hyphae not only increase absorption frequenct but also provide nourishment by forming nutrient rich cells called pletons.