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1 | |
1. The growth rings that contribute to the diameter or girth of a tree are considered ___________.
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| | A) | a. primary growth
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| | B) | b. secondary growth
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| | C) | c. apical meristems
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| | D) | d. collenchyma
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2 | |
2. Oxygen, water, and carbon dioxide enter and exit leaves by way of tiny pores called stomata.
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| | A) | True
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| | B) | False
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3 | |
3. Photosynthetic cells in leaves and water-storage cells in cacti are both types of _______ cells.
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| | A) | a. parenchyma
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| | B) | b. phloem
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| | C) | c. sclerenchyma
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| | D) | d. xylem
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4 | |
4. Sieve-tube cells and companion cells are both found in xylem tissue.
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| | A) | True
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| | B) | False
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5 | |
5. Both primary xylem and primary phloem are produced in the ________.
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| | A) | a. vascular cambium
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| | B) | b. zone of maturation
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| | C) | c. stele
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| | D) | d. apical meristem
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6 | |
6. In herbaceous dicots, a central area of ground tissue is surrounded by a ring of vascular bundles.
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| | A) | True
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| | B) | False
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7 | |
7. Radial transport in woody dicots occurs in ___________. |
| | A) | a. cortex |
| | B) | b. vascular rays |
| | C) | c. xylem |
| | D) | d. phloem |
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8 | |
8. In which zone do root cells become differentiated?
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| | A) | a. zone of cell division
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| | B) | b. zone of elongation
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| | C) | c. zone of maturation
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| | D) | d. pericycle
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9 | |
9. What is the function of the layer of meristematic cells found in the outermost layer of the stele?
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| | A) | a. It gives rise to branch roots.
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| | B) | b. It provides lateral transport of materials.
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| | C) | c. It gives rise to root hairs.
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| | D) | d. It gives rise to the Casparian strip.
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10 | |
10. The Casparian strip allows water to pass laterally from the cortex to the stele rather than vertically through the endodermis.
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| | A) | True
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| | B) | False
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11 | |
11. One major difference between monocots and dicots is that monocots usually have reticulate leaf venation and dicots usually have parallel leaf venation.
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| | A) | True
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| | B) | False
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12 | |
12. Tree ring data from the Lost Colony at Roanoke Island and Jamestown suggests that the colonies failed due to extended periods of intense flooding and abnormal amounts of snowfall.
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| | A) | True
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| | B) | False
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13 | |
13. Buds that form between the upper surface of the leaf and the stem are called ________.
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| | A) | a. meristematic buds
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| | B) | b. endodermal buds
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| | C) | c. axillary buds
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| | D) | d. apical buds
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14 | |
14. Carnivorous plants, such as the sundew and the pitcher plant, use modified ________ to trap insects.
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| | A) | a. stems
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| | B) | b. leaves
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| | C) | c. flowers
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| | D) | d. none of the above
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15 | |
15. Spongy and palisade parenchyma cells together make up the ________.
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| | A) | a. mesophyll
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| | B) | b. stomata
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| | C) | c. cortex
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| | D) | d. epidermis
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16 | |
16. Of the common vegetables, lettuce, carrot, and radish, only carrots are biennial.
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| | A) | True
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| | B) | False
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17 | |
17. Which of the following vegetables has been used for its sedative effects?
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| | A) | a. Queen Anne’s Lace
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| | B) | b. radish
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| | C) | c. lettuce
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| | D) | d. carrot
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18 | |
18. The Japanese daikon is a long, white variety of cooking radish.
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| | A) | True
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| | B) | False
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2003 McGraw-Hill Higher Education