Number correct: 0 Number incorrect: 20 1. An abnormal flower in an Arabidopsis plant is helpful to molecular biologists because a. it has more flower material to use for conducting research. b. it has a mutated gene which helps locate a gene involved in normal flower development. c. the gene responsible for flower development can be found in the abnormal floral parts. d. it may produce more offspring. e. it represents a new plant species. Correct answer is: b. . it has a mutated gene which helps locate a gene involved in normal flower development See page 669 in Campbell Biology 4e 2. Some plants change the location of their chloroplasts in the cells according to the solar angle at the time of the day. Such changes are a. structural adaptations. b. evolutionary changes. c. growth responses. d. physiological responses. e. all of the above Correct answer is: d. . physiological responses. See page 669 in Campbell Biology 4e 3. If you let a carrot grow into a full plant you would expect to see a. net-like veins on the leaf. b. complexly arranged vascular bundles. c. floral parts with multiples of three. d. a and b e. a and c Correct answer is: a. . net-ike veins on the leaf. See page 671 in Campbell Biology 4e 4. A vegetative branch is a. the main branch of a plant. b. a branch that bears fruits or vegetables. c. a branch with leaves. d. a branch with flowers. e. a branch that functions as a bulb. Correct answer is: c. . a branch with leaves. See page 673 in Campbell Biology 4e 5. If you want to distinguish a compound leaf from a stem with many leaves, you examine the a. arrangement of the leaves on the stem. b. the veining pattern on the leaves and stem. c. the margins of the leaves. d. the location of auxiliary buds on the plant. e. the attachment of the leaves to the stem. Correct answer is: d. . the location of auxiliary buds on the plant. See page 674 in Campbell Biology 4e 6. Leaves may function like a. roots. b. spines. c. flowers. d. tendrils. e. all of the above Correct answer is: e. . all of the above See page 675 in Campbell Biology 4e 7. A plant may NOT be generated from a. seeds. b. branches. c. parenchyma cells. d. sclerenchyma cells. e. roots. Correct answer is: d. . sclerenchyma cells. See page 678 in Campbell Biology 4e 8. Important functions in the plants are carried out by dead cells, such as a. nutrient transport. b. food storage. c. water transport. d. water storage. e. all of the above Correct answer is: c. . water transport. See page 679 in Campbell Biology 4e 9. Companion cells are attached to a. sieve-tube members. b. tracheids. c. vessel elements. d. xylem vessels. e. sclerenchyma cells. Correct answer is: a. . sieve-tube members. See page 679 in Campbell Biology 4e 10. Root hairs are formed by a. vascular tissue. b. ground tissue. c. xylem cells. d. the cuticle. e. epidermis cells. Correct answer is: e. . epidermis cells. See page 679 in Campbell Biology 4e 11. Indeterminate growth means that plants a. can alter their shape as they grow. b. grow according to the environment and not according to a predetermined genetic plan. c. can grow at any time of the year. d. do not stop growing. e. only grow during certain seasons. Correct answer is: d. . do not stop growing See page 680 in Campbell Biology 4e 12. Meristem cells a. are different in various tissue types. b. are immortal. c. are unspecialized cells. d. are only found in the vegetative tissues. e. are not found in herbaceous plants. Correct answer is: c. . are unspecialized cells. See page 680 in Campbell Biology 4e 13. If you are sitting on a wooden bench, it is mainly produced by a. apical meristems. b. lateral meristems. c. xylem. d. lignin. e. phloem. Correct answer is: b. . lateral meristems. See page 680 in Campbell Biology 4e 14. The quiescent center is a. the root meristem during winter time. b. a resistant part on the root tip that secretes polysaccharides. c. dead cells in the vascular center. d. a slowly dividing part of the root meristem. e. dormant buds at nodes. Correct answer is: d. . a slowly dividing part of the root meristem. See page 681 in Campbell Biology 4e 15. When a root pushes further into the ground, the added length results mainly from a. cell division. b. lignification of the cell walls. c. cell elongation. d. cell maturation. e. cell thickening. Correct answer is: c. . cell elongation. See page 681 in Campbell Biology 4e 16. The xylem and phloem in roots are produced by a. the protoderm. b. the procambium. c. the ground meristem. d. the pericycle. e. the cortex. Correct answer is: b. . the procambium See page 683 in Campbell Biology 4e 17. Which of the following tissues occurs in both shoots and roots of a dicot? a. pith b. cortex c. pericycle d. stele e. endodermis Correct answer is: b. . cortex See page 683-684 in Campbell Biology 4e 18. Palisade parenchyma and guard cells a. originate from a common meristem. b. are adjacent to each other. c. are on opposite sides of a leaf. d. both contribute to the gas exchange of the leaf. e. limit water loss from the leaf. Correct answer is: c. . are on opposite sides of a leaf. See page 685 in Campbell Biology 4e 19. The meristem that contributes to secondary growth originates from a. parenchyma cells. b. meristematic cells that were left behind from the apical meristem. c. quiescent centers. d. primary phloem cells. e. primary xylem cells. Correct answer is: a. . parenchyma cells. See page 687 in Campbell Biology 4e 20. Why does a tree die when a deer eats a complete ring of the bark from its trunk? a. The tree looses too much water. b. The tree is not protected against mechanical impact. c. Insects can easily invade the inside of the tree. d. The meristem cells are lost. e. The tree can no longer transport nutrients. Correct answer is: e. . The tree can no longer transport nutrients. See page 688 in Campbell Biology 4e