2. The phrase subject to in line 1 is closest in meaning to
(A) susceptible to
(B) classified by
(C) attractive to
(D) strengthened by
3. The word puncture in line 8 is closest in meaning to
(A) pierce
(B) pinch
(C) surround
(D) cover .
4. The word which in line 12 refers to
(A) tissues
(B) substances
(C) barriers
(D) insects
5. Which of the following substances does the author mention as NOT necessarily being toxic to
the Colorado beetle?
(A) resins
(B) tannins
(C) glycosides
(D) alkaloids
6. Why does the author mention glycoproteins in line 17?
(A) to compare plant defense mechanisms to the immune system of animals
(B) to introduce the discussion of active defense mechanisms in plants
(C) to illustrate how chemicals function in plant defense
(D) to emphasize the importance of physical barriers in plant defense
7. The word dramatic in line 23 could best be replaced by
(A) striking
(B) accurate
(C) consistent
(D) appealing
8. Where in the passage does the author describe an active plant-defense reaction?
(A) Lines 1-3
(B) Lines 4-6
(C) Lines 13-15
(D) Lines 24-27
9. The passage most probably continues with a discussion of theories on
(A) the basis of passive plant defense
(B) how chemicals inhibit a parasitic relationship.
(C) how plants produce toxic chemicals
(D) the principles of the hypersensitive response.
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