OLD 1st EXAM - BIO 102 First exam 18 Feb 2010 name Select the BEST answer or phrase for the following questions This exam has 50 questions READ the

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BIO 102 name ___________________ First exam 18 Feb. 2010 Select the BEST answer or phrase for the following questions. This exam has 50 questions. READ the questions and possible answers carefully. READ ALL CHOICES BEFORE SELECTING THE "BEST" ONE. 1. In a leaf, the layer of cells just below the upper epidermis is the a. stomates b. spongy mesophyll c. palisade mesophyll d. lower epidermis e. cortex 2. The softening of fruits during the ripening process result from a. breakdown of cellulose fibrils in primary cell walls b. dissolution of secondary cell walls c. enzymatic breakdown of pectin between adjacent cells d. enzymatic breakdown of lignin between adjacent cells e. all of the above 3. A taproot is formed by plants when the _______ becomes the main root. a. cotyledon b.. plumule c. radicle d. endosperm e. rootex 4. A oak tree puts forth its leaves in late April. When were these leaves FORMED by the apical meristem? a. December b. March c. February d. late spring or summer of the previous year e. Feb. 29 th , annual leaf day 5. What is softwood? a. wood of gymnosperms b. wood of angiosperms c. wood containing only tracheids and parenchyma cells d. wood lacking xylem e. a and c 6. Secondary growth results mainly from the expansion of cells produced by the ____. a. cortex b. vascular cambium c. cork cambium d. secondary xylem e. apical meristem 7. The major type of plant cell consumed by humans for food is a. sieve tube elements b. epidermis c. vessel elements d. parenchyma e. cellulose 8. A celery stalk is part of the a. stem b. root c. leaf d. flower e. master plan for URI 9. Cutin, a waterproofing compound, is found in what kind of cells in the stem? a. epidermal b. root hairs c. parenchyma d. vessel element e. sieve tube member 10. Under what conditions would the stomates in a leaf be closed during DAY? a. when the leaves are wilted (dry soil) b. when it is raining c. when the sun is shining d. a and b e. a, b and c 11. When you eat a peanut, the object that you pop in your mouth (after removing its papery covering) includes the a. cotyledons b plumule and radicle c. endosperm d. a, b and c e. a and b 12. In general, the surface area of a plant's root system is _____ the surface area of its stems and leaves a. about the same size as b. much smaller than c. much larger than d. a and b e. b and c
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13. Civet coffee is desired for its a. low caffeine content b. high caffeine content c. unique taste d. b and c e. cocaine content 14. Wood that conducts sound very well (such as that on the face [top] of a guitar or violin) has what feature? a. composed mostly of parenchyma cells b. spent many hours practicing c. composed mostly of sieve tube elements d. composed mostly of tracheids e. a and c 15. The material used to make stoppers for 25 billion wine bottles is produced by mitosis occurring in the ___________ of ___________. a. vascular cambium, champagne grass (Quercus alcoholensis)
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This note was uploaded on 11/23/2010 for the course BIO 102 taught by Professor Thornber during the Fall '06 term at Rhode Island.

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OLD 1st EXAM - BIO 102 First exam 18 Feb 2010 name Select the BEST answer or phrase for the following questions This exam has 50 questions READ the

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