Exam 38: Plant Responses to Environmental Challenges

Beetles taken from a tropical tree show signs of serious physiological distress.Upon further toxicological examination, they are found to have ingested compounds blocking ion transport.The researchers conclude that they may have eaten

Which action is not one of the hypersensitive reactions of a plant to infection?

A plant that exudes latex when cut most likely benefits from this defense when attacked by

Acclimation is most likely to result from exposure to

Coumarins help to defend plants against herbivores by acting as

A pathogen-damaged wild plant is found to have high levels of expression of PR proteins, but the plant is not presently under attack by pathogens.The best explanation for this situation is that

Which plant product acts in a manner analogous to animal antibodies?

High temperatures trigger heat shock proteins such as

Avr genes are

Which statement best describes how plants produce their own insecticide?

Systemic acquired resistance

Which combination of adaptations is often observed in plants found in saline environments?

Which statement offers the most likely reason that a plant living in the deserts of the southwestern United States loses its leaves?

Defensive strategies in plants that are always turned on are called _______ defenses.

Which feature is involved in all specific plant responses to pathogens?

Which of the following, when present in a new crop species, would not influence the crop's ability to deter herbivory?

The elicitors for specific immunity in plants are called

Pneumatophores are produced in response to regular exposure to

Many halophytes accumulate the amino acid

_______ proteins are generally produced within minutes of a 5‒10C rise in temperature.