A Plant Scientist Was Hired by a Greenhouse Operator to Devise

question 3

Multiple Choice

A plant scientist was hired by a greenhouse operator to devise a way to force iris plants to bloom in the short days of winter. Iris normally blooms as a long-day (short-night) plant. Which of the following has the best chance of creating iris blooms in winter?

• A) Artificially increase the period of darkness in the greenhouse.
• B) Increase the temperature to more closely follow summer temperatures.
• C) Alternate four hours of darkness with four hours of light repeatedly over each 24-hour period.
• D) Interrupt the long winter nights with a brief period of light.

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Definitions:

Cash Payments

Transactions that involve the transfer of cash from one party to another, often for goods or services.

Cash Balance

The amount of money on hand and in bank accounts, reflecting a company's liquidity.

Direct Labor Cost

The expense incurred by employing workers to produce a product or provide a service, excluding indirect costs such as supervision and administration.

Direct Labor

The wages paid to workers who are directly involved in manufacturing products or providing services.