3. The word principal in line 4 is closest in meaning to
(A) true
(B) main
(C) logical
(D) obvious
4. According to the passage , how do fungi obtain carbohydrates?
(A) The absorb carbohydrates from their own cell walls.
(B) They synthesize chlorophyll to produce carbohydrates.
(C) They produce carbohydrates by breaking down chitin.
(D) They acquire carbohydrates from other organic matter, both living and dead.
5. The passage mentions shrimps, spiders, and insects in line 9 because their skeletons
(A) can be destroyed by fungi
(B) have unusual chemical compositions
(C) contain a material found in the walls of fungal cells
(D) secrete the same enzymes as the walls of fungal cells do
6. Which of the following terms is defined in the passage ?
(A) chlorophyll (line 5)
(B) polymer (line 8)
(C) hyphae (line 12)
(D) enzymes (line 14)
7. The word those in line 13 refers to
(A) tips
(B) hyphae
(C) enzymes
(D) walls
8. Fungi have all of the following characteristics EXCEPT
(A) They grow hyphae.
(B) They secrete enzymes.
(C) They synthesize cellulose.
(D) They destroy crops.
9. The word Entire in line 18 is closest in meaning to
(A) certain
(B) whole
(C) mature
(D) diseased
10. The passage describes the negative effects of fungi on all the following EXCEPT
(A) buildings
(B) animals
(C) food
(D) soil
11. The phrase bring about in line 21 is closest in meaning to
(A) cause
(B) join
(C) take
(D) include
12. The passage mentions penicillin in line 25 as an example of
(A) a medicine derived from plants
(B) a beneficial use of fungi
(C) a product of the relationship between plants and fungi
(D) a type of fungi that grows at extreme temperatures.
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