Time taken: 4:15
1. In the passage, the author is primarily
A. describing the limitations of molluscicides that affect feeding behavior --> WRONG. Not the primary concern of the passage
B. proposing alternatives to current methods of controlling slugs and snails --> WRONG. Just mentions an alternative is needed but does not propose/describe in detail.C. emphasizing the need for an alternative to currently available molluscicides
D. explaining how molluscicides are used to control slugs and snails --> WRONG. Not the primary concern of the passage
E. criticizing the use of hazardous material for controlling slugs and snails --> WRONG. The main purpose is not criticizing, but suggesting/recommending something.
2. The author suggests that which of following is true of the "alternative compound" mentioned in the highlighted text?
A. It is more effective in destroying snails than in destroying slugs.
B. It begins to affect slugs' feeding behavior before they ingest a lethal dose.
C. It affects more species of fish than does metaldehyde.D. It may not be environmentally safer than methiocarb.
--> CORRECT. The first sentence of the second passage mentions.
E. It may be less damaging to trees than metaldehyde.
3. The author cites which of the following as a disadvantage of methiocarb?
A. It contains high levels of aluminum.
B. It may react with acid rain to kill trees.
C. It has been associated with Alzheimer's disease.D. It may be toxic to some species of fish.
--> CORRECT. The last sentence of the first passage mentions.
E. It may not be as effective in killing slugs as metaldehyde is.
4.The passage suggests that methiocarb and metaldehyde would be more effective as slug poisons if it were true that they
A. disrupt the slug's digestive processes rather than its reproductive functions
B. reduce the slug's ability to taste foodC. begin to affect the feeding behavior of a slug only after it has ingested a lethal dose
D. reach the central pattern generator more quickly
E. accumulate only in the central pattern generator rather than throughout the brain
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