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:

Open Racism

The explicit and public expression of racist views and ideologies without any attempt to hide or mitigate the prejudice.

Antiwar Protests

Public demonstrations opposing military conflict, particularly those that gained prominence during the Vietnam War in the 1960s and 1970s.

Kent State

Refers to the Kent State shootings in 1970, where the National Guard opened fire on unarmed college students protesting the Vietnam War, killing four.

Invasion

An unwelcome intrusion into another's domain, typically referring to the entering of an army into a territory.