Choose the One Most Appropriate Answer for Each

question 15

Multiple Choice

Choose the one most appropriate answer for each. Each letter will be used once.
-vernalization

• A)growth response that orients parts of a plant in a direction influenced by light
• B)burst of hydrogen peroxide and nitric oxide that causes infected cells to commit suicide
• C)an organism's response to changes in length of day relative to night
• D)organelle involved in sensing gravity
• E)light-sensitive pigment that helps set plant circadian rhythm based on length of night
• F)flowering after a long season of cold temperatures
• G)closes stomata in times of stress
• H)initiates fruit ripening in nearby fruits
• I)flowers only when hours of darkness fall below a critical value
• J)flavonoid in cocoa responsible for the unusual absence of heart disease in the Kuna
• K)occurring on a 24-hour cycle
• L)flowers only when hours of darkness are greater than some critical value
• M)activates systemic acquired resistance
• N)inhibits the growth of lateral roots
• O)mobilizes food reserves in germinating seeds

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Definitions:

Production Possibilities Curve

A graph that depicts the maximum feasible amounts of two commodities that a business can produce when those commodities compete for limited resources.

Technological Advance

The process of developing new technologies or improving existing ones to increase productivity or solve problems.

Soil Fertility

The ability of soil to provide essential nutrients to plants in adequate amounts for growth.

Overgrazing

The degradation of a grazing land, resulting from livestock grazing at a rate higher than the capacity of the land to regenerate.