Assertion Symbiosis is a kind of positive interaction.
Reason Symbiosis is one-sided relationship.

Assertion Commensalism is a type of positive interaction. Reason In commensalism, one organism is benefitted, while other is harmed.

Assertion : Symbiosis is furnished by mycorrhiza. Reason : In mycorrhiza, symbiosis is established between fungus and alga

Symbiosis may be defined as relationship, in which

Population Interactions || Positive Interactions:- 1. Symbiosis 2. Proto-Cooperation

Succession | | Inter specific interaction | | Mutualism symbiosis

Assertion (A) : Codominace is an example for intragenic interaction Reason (R) : Interaction take place between the alleles of same gene

Assertion Inhibition or death of one organism by another through the production of some byproducts is known as antibiosis. Reason Antibiosis is a type of negative interaction.