Question

your textbook has a section, 6.1, devoted to some information about plant hormones. which hormone is specifically involved with the ripening of fruits?
auxin
ethylene
cytokinin
gibberellin

Explanation:

Ethylene is a plant - hormone that triggers fruit - ripening. It promotes changes such as color change, softening, and sugar accumulation in fruits. Auxin is involved in cell elongation and growth regulation. Cytokinin promotes cell division and delays senescence. Gibberellin stimulates stem elongation and seed germination.

Answer:

B. ethylene