Test: GRE Subject Test: Biology

1.

Perishable fruit is often picked before it is ripe. This hard, unripe fruit is easier to transport as it is less likely to bruise or spoil while in transit. Once fruit reaches its destination, it can be sprayed with a plant hormone that will promote its rapid ripening. What hormone is most likely used for this function?

Ethylene

Cytokinins

Gibberellins

Abscisic acid (ABA)

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