2. The word serve in line 1 is closest in meaning to
(A) improve
(B) function
(C) begin
(D) rely
3. The purpose of the second mention of hormones in line 4 is to point out
(A) chemical signals that are common among insects
(B) specific responses of various species to chemical signals
(C) similarities between two chemical substances
(D) how insects produce different chemical substances
4. The word sole in line 6 is closest in meaning to
(A) obvious
(B) best
(C) only
(D) final
5. The passage suggests that the speed at which communication through pheromones occurs is
dependent on how quickly they
(A) lose their effectiveness
(B) evaporate in the air
(C) travel through the air
(D) are produced by the body
6. According to the passage , the meaning of a message communicated through a pheromone
may vary when the
(A) chemical structure of the pheromone is changed
(B) pheromone is excreted while other pheromones are also being excreted
(C) exocrine glands do not produce the pheromone
(D) pheromone is released near certain specific organisms
7. The word detecting in line 23 is closest in meaning to
(A) controlling
(B) storing
(C) questioning
(D) finding
8. According to paragraph 2, which of the following has made the study of pheromones difficult?
(A) Pheromones cannot be easily reproduced in chemical laboratories.
(B) Existing technology cannot fully explore the properties of pheromones.
(C) Pheromones are highly volatile.
(D) Pheromone signals are constantly changing.
9. The word They in line 24 refers to
(A) pheromones
(B) roles
(C) activities
(D) insects
10. The word sedentary in line 29 is closest in meaning to
(A) inactive
(B) inefficient
(C) unchangeable
(D) unbalanced
11. Pheromone systems are relatively complex in insects that
(A) also communicate using sight and sound
(B) live underground
(C) prey on other insects
(D) live in organized groups
PASSAGE 95 ABCCB ADBAAD
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