EXAM 1 - 1 BIO 102 First exam (VERSION 3) 19 February 2008...

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-1- 1 BIO 102 name ___________________ First exam (VERSION 3) 19 February 2008 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. Secondary growth results mainly from the expansion of cells produced by the ____. a. cortex b. pith c. vascular cambium d. secondary xylem e. apical meristem 2. Commercial cinnamon and cassia come from what part of the plant? a. roots b. leaves c. flowers d. secondary xylem e. bark 3. In the STEM of a dicot (with primary growth ) the phloem makes contact with what tissues? a. xylem and epidermis b. bark and growl c. cortex and xylem d. pith and xylem e. Kleenex and Scotties 4. The disease beriberi is caused by the absence of a vitamin from the human diet. Where in a rice grain would this vitamin occur? a. germ or bran b. DNA c. root hairs d. endosperm e. cellulose 5. A taproot is formed by plants when the _______ becomes the main root. a. endosperm b. rootex c. cotyledon d. plumule e. radicle 6. Starting on the outside of a dicot root and moving toward the center, the sequence of areas or kinds of cells is: a. pith, xylem, phloem, pericycle, endodermis, cortex, epidermis b. xylem, phloem, pericycle, endodermis, cortex, epidermis c. epidermis, cortex, endodermis, pericycle, xylem, phloem, pith d. epidermis, cortex, endodermis, pericycle, phloem, xylem e. epidermis, cortex, endodermis, pericycle, xylem, phloem 7. Lenticels occur in _____ and permit the movement of _____ into or out of ____. a. bark, gases (such as CO 2 , and O 2 ), the leaves b. bark, gases (such as CO 2 , and O 2 ), woody stems c. the epidermis, water vapor and carbon dioxide, the leaves d. roots, oxygen, the cortex e. epidermis, water molecules, young stems 8. The material that Levi used to manufacture the first pants that bore his name (Levis) came from a plant that also is the source of material for making canvas and cordage. What kind of cells constituted the bulk of the material that was used for the cloth, and what was the plant? a. fiber cells, cotton b. vessel elements, hemp c. sieve tube elements, pine d. fiber cells, hemp e. cork cells, cotton 9. In a corn seed, the structure that occupies most of the space is a. the endosperm b. the seed coat c. the cotyledon d. the embryo e. the plumule 10. In winter you find a tree branch with 6 axillary buds. How many leaves were growing on this branch in the previous summer? a. 6 b. 5 c. 12 d. 10 e. 24
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-2- 2 11. Most water and nutrients absorbed from soil FIRST enter the plant through the a. root cap b. seed coat c. root hairs d. a and e e. apical meristem 12. The drawing shows a cross section of a tree that was cut yesterday. In what year did the tree grow most in diameter? a.
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This note was uploaded on 10/14/2008 for the course BIO 102 taught by Professor Thornber during the Fall '06 term at Rhode Island.

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EXAM 1 - 1 BIO 102 First exam (VERSION 3) 19 February 2008...

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