A Population of Plants Experiences Several Years of Severe Drought

question 54

Multiple Choice

A population of plants experiences several years of severe drought. Much of the population dies due to lack of water, but a few individuals survive. You set out to discover the physiological basis for their adaptation to such an extreme environmental change. You hypothesise that the survivors have the ability to synthesise higher levels of ________ than their siblings do.

• A) auxin
• B) gibberellin
• C) cytokinin
• D) abscisic acid

---

Definitions:

Tennis Rackets

Sporting equipment consisting of a handle and a frame with tightly interlaced strings, used for striking tennis balls.

Balance On Hand

The amount of cash or resources available in an account at any given time.

Units Out

The quantity of products sold or distributed from inventory over a specific time period.

Average Cost Method

An inventory costing method where the cost of goods sold and ending inventory values are determined by calculating the average cost of all similar items in the inventory.