Use the following information to answer the question below.
Some plants continually produce secondary defense compounds. Other plants are induced to form secondary defense compounds when they are injured. Corn seedling leaves that are chewed on by the caterpillars of a type of cutworm moth emit immediate volatile chemicals (LOX products), and after 6 hours large amounts of terpenoid compounds are released into the air. The terpenoids are released not only from the leaf being chewed but from all leaves of the plant. The terpenoid compounds attract a parasitoid wasp female that lays her eggs on the caterpillar. When the wasp larvae hatch, they eat and kill the moth caterpillar. (T.C.J. Turlings, J. H. Loughrin, P. J. McCall, U. S. R. Rose, W. J. Lewis, and J. H. Tumlinson. 1995. How caterpillar-damaged plants protect themselves by attracting parasitic wasps.
Refer to the paragraph on how caterpillar-damaged plants protect themselves by attracting parasitic wasps. What can you conclude based only on the information in the preceding paragraph?
A) The attracting terpenoid compounds are always present in the corn seedling.
B) Physical injury by the caterpillar mouthparts results in the immediate release of terpenoids.
C) Chemical signals from the caterpillar saliva attract the parasitic wasp.
D) The parasitoid wasp is attracted by compounds produced by an injured corn plant.
E) LOX products and terpenoids are the same kinds of chemical compounds.

Question

Use the following information to answer the question below.
Some plants continually produce secondary defense compounds. Other plants are induced to form secondary defense compounds when they are injured. Corn seedling leaves that are chewed on by the caterpillars of a type of cutworm moth emit immediate volatile chemicals (LOX products), and after 6 hours large amounts of terpenoid compounds are released into the air. The terpenoids are released not only from the leaf being chewed but from all leaves of the plant. The terpenoid compounds attract a parasitoid wasp female that lays her eggs on the caterpillar. When the wasp larvae hatch, they eat and kill the moth caterpillar. (T.C.J. Turlings, J. H. Loughrin, P. J. McCall, U. S. R. Rose, W. J. Lewis, and J. H. Tumlinson. 1995. How caterpillar-damaged plants protect themselves by attracting parasitic wasps. 
Refer to the paragraph on how caterpillar-damaged plants protect themselves by attracting parasitic wasps. What can you conclude based only on the information in the preceding paragraph?
A) The attracting terpenoid compounds are always present in the corn seedling.
B) Physical injury by the caterpillar mouthparts results in the immediate release of terpenoids.
C) Chemical signals from the caterpillar saliva attract the parasitic wasp.
D) The parasitoid wasp is attracted by compounds produced by an injured corn plant.
E) LOX products and terpenoids are the same kinds of chemical compounds.

Quizplus · Accepted Answer

The paragraph explicitly states that terpenoid compounds, which are released by the injured corn plant, attract the parasitic wasp. This indicates that the wasp is attracted by compounds produced by the plant in response to injury.

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