Assertion :- Mycorrhizal association is useful for plants.
Reason :- All fungi do not show mycorrhizal association.
Choose the correct answer with respect to the given Assertion and Reason statements.
Assertion :- Mycorrhizal association is useful for plants.
Reason :- All fungi do not show mycorrhizal association.
Choose the correct answer with respect to the given Assertion and Reason statements.
The correct option is B Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
Mycorrhiza is a mutually beneficial or symbiotic association of a fungus with the root of a higher plant. The fungal partner absorbs nutrients for the plant and the plant provides food and shelter to the fungus. Hence, this association is useful for plants. The assertion is true.
All fungi don’t show mycorrhizal association. Apart from symbiotic fungi, such as the ones belonging to genus Glomus, there are many free living fungi, which don’t show any symbiotic association. Hence, the reason is also true. But, the reason is not the correct explanation of the assertion.
Mycorrhiza is a mutually beneficial or symbiotic association of a fungus with the root of a higher plant. The fungal partner absorbs nutrients for the plant and the plant provides food and shelter to the fungus. Hence, this association is useful for plants. The assertion is true.
All fungi don’t show mycorrhizal association. Apart from symbiotic fungi, such as the ones belonging to genus Glomus, there are many free living fungi, which don’t show any symbiotic association. Hence, the reason is also true. But, the reason is not the correct explanation of the assertion.
