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					Plant Test: Do Not Write on This Test

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

1.A plant is a(an)
             a. unicellular prokaryote.                       c. unicellular eukaryote.
             b. multicellular prokaryote.                     d. multicellular eukaryote.
2.To produce spores, all plants must undergo
             a. mitosis.                                      c. fertilization.
             b. meiosis.                                      d. asexual reproduction.
3.Which of the following is NOT true?
             a. Plants have adaptations that maximize light absorption.
             b. Plants require more water on a sunny day.
             c. Plants get the water they need from the atmosphere.
             d. Plants can lose water while exchanging gases with the atmosphere.
4.Living on land required that plants
             a. evolve photosynthetic pigments.               c. exchange gases.
             b. conserve water.                               d. have cell walls.
5.Without plants,
             a. animals could not live on land.
             b. there would be no green algae in the oceans.
             c. animals could not undergo cellular respiration.
             d. there would be no carbon dioxide in the atmosphere.
6.Bryophytes need standing water to
             a. Reproduce (brown chicken brown cow)           c. undergo photosynthesis.
             b. draw up water by osmosis.                     d. grow tall.
7.Because bryophytes do not have vascular tissue, they
             a. do not conduct water.
             b. grow close to the ground.
             c. can draw up water only a few centimeters above the ground.
             d. all of the above
8.Which one of the following structures has functions similar to that of roots?
             a. gemma                                         c. capsule
             b. rhizoid                                       d. stalk
9.What is the sperm-producing structure of a bryophyte?
             a. gemma                                         c. rhizoid
             b. archegonium                                   d. antheridium
10.In bryophytes, haploid reproductive cells are produced by the
             a. haploid stage.                                c. gametophyte and sporophyte.
             b. diploid stage.                                d. all of the above
11.Xylem tissue is important to ferns because it
             a. can conduct water over long distances.
             b. allows water to diffuse into the roots.
             c. carries carbohydrates to all parts of the plant.
             d. allows ferns to reproduce in dry environments.
12.Which of the following structures in ferns is diploid?
            a. gametophyte                                   c. egg
            b. sporangium                                    d. spore
13.Which of the following includes a plant embryo, a food supply, and a protective covering?
            a. pollen grain                                  c. seed
            b. spore                                         d. gametophyte
14.The gametophytes of gymnosperms are found inside reproductive structures called
            a. flowers.                                      c. embryos.
            b. cones.                                        d. angiosperms.
15.The specialized reproductive structure that evolved most recently is the
            a. seed.                                         c. ovary.
            b. pollen grain.                                 d. gametophyte.
16.Unlike a dicot, a monocot has
            a. four or five petals per flower.               c. taproots.
            b. two cotyledons.                               d. parallel leaf veins.
17.Flowering plants that complete a life cycle within a single growing season are called
            a. annuals.                                      c. perennials.
            b. dicots.                                       d. monocots.
18.Which type of plant lives the longest?
            a. annual                                        c. perennial
            b. biennial                                      d. none of the above
19.Ground tissue is found in a plant’s
            a. stems only.                                   c. roots and stems only.
            b. stems and leaves only.                        d. roots, stems, and leaves.
20.The outer covering of a plant consists of
            a. ground tissue.                                c. dermal tissue.
            b. vascular tissue.                              d. meristematic tissue.
21.Which of the following is the only tissue that produces new plant cells?
            a. meristematic tissue                           c. ground tissue
            b. phloem                                        d. xylem
22.A carrot is a(an)
            a. taproot.                                      c. monocot.
            b. fibrous root.                                 d. extensive root system.




                                                            Figure 23–1

23.Figure 23–1 shows cross sections of monocot and dicot
            a. roots.                                    c. root hairs.
            b. leaf veins.                               d. stems.
24.Vascular bundles are
            a. surrounded by pith in monocot stems.
            b. found in only dicot roots.
            c. scattered throughout dicot stems.
            d. surrounded by parenchyma in both monocot and dicot stems.
25.What might a thin tree ring indicate?
            a. increased production of xylem                  c. decreased production of phloem
            b. xylem production in winter                     d. a year of drought
26.Oxygen and carbon dioxide diffuse in and out of a leaf through the
            a. palisade mesophyll.                            c. phloem.
            b. guard cells.                                   d. stomata.
27.Most of the photosynthetic activity in plants takes place in the
            a. mesophyll.                                     c. stomata.
            b. guard cells.                                   d. xylem.
28.The stomata of leaves are usually open in
            a. light if a plant has enough water.             c. darkness if a plant has enough water.
            b. light if a plant has too little water.         d. darkness if a plant has too little water.
29.Through which plant cells does water move by capillary action?
            a. phloem cells                                   c. mesophyll cells
            b. guard cells                                    d. xylem cells
30.Some flowers have compound carpels that are composed of several fused
            a. carpels.                                       c. anthers.
            b. petals.                                        d. sepals.
31.The sterile leaves of a flower are the
            a. carpel and stamens.                            c. stigma and style.
            b. filaments and anthers.                         d. sepals and petals.
32.A sticky secretion on the scales of seed cones traps
            a. sporophytes.                                   c. pollen grains.
            b. pollen cones.                                  d. Ew!
33.The pollen tube of a gymnosperm contains
            a. one haploid sperm nucleus.                     c. three haploid sperm nuclei.
            b. two haploid sperm nuclei.                      d. four haploid sperm nuclei.
34.An angiosperm seed coat is formed from toughened parts of the
            a. ovule.                                         c. ovary.
            b. fruit.                                         d. petals.
35.A seed that is dispersed to an area far away from the parent plant might face less
            a. alternation.                                   c. Nagging from the parent plant
            b. pollination.                                   d. competition.
36.An example in which the entire above ground part of the plant acts as a seed delivery system is the
            a. tumbleweed.                                    c. ash.
            b. oak.                                           d. coconut tree.
37.The early growth stage of a plant embryo is called
            a. fertilization.                                 c. germination.
            b. dormancy.                                      d. pollination.
38.When a plant reproduces vegetatively, its offspring
            a. are genetically different.                     c. Loves to veg out and play Dragon Age...
            b. are genetically identical.                     d. grow from seeds.
39.The regions of tissue in a plant that produce cells that later become specialized tissues are the
             a. roots.                                          c. leaves.
             b. stems.                                          d. meristems.
40.Plants can respond to changing environmental conditions by the use of which chemicals?
             a. sugars                                          c. pigments
             b. enzymes                                         d. hormones
41.What is the source of ethylene gas in a plant?
             a. leaf buds                                       c. fruit tissues
             b. root hairs                                      d. lateral meristems
42.Cytokinins differ from auxins in that cytokinins
             a. cause leaves to fall.                           c. inhibit elongation of cells.
             b. inhibit lateral bud growth.                     d. cause seeds to remain dormant.
43.If the apical meristem of a mature plant is removed, the plant will most likely
             a. lose its ability to move phototropically.
             b. show a dramatic and rapid increase in height.
             c. develop apical dominance and begin to flower.
             d. lose apical dominance and grow lateral branches.




                                                               Figure 25–1

44.What is the phenomenon that is causing the bean seedling to bend in Figure 25–1?
            a. gravitropism                                  c. rapid response
            b. phototropism                                  d. leaf abscission
45.The closing of the leaves of a Venus’ flytrap is called
            a. a stimulus.                                   c. a rapid response.
            b. phototropism.                                 d. a hormonal response.
46.The response of a plant to changes in the length of day or night is called
            a. abscission.                                   c. photosynthesis.
            b. thigmotropism.                                d. photoperiodism.
47.What hormones influence the shedding of leaves?
            a. auxin and ethylene                            c. gibberellin and auxin
            b. cytokinin and phytochrome                     d. phytochrome and gibberellin
                                                              Figure 25–2

48.How is the cactus in Figure 25–2 adapted to soak up rare rainfall quickly?
            a. It has thin, sharp spines.
            b. It has stems that shrivel when it rains.
            c. It has wide stems that catch rainwater.
            d. It has an extensive shallow root system.
49.Spartina grass is a plant that grows in salt marshes. What adaptation can you assume spartina grass has that allows it to
            survive in salty water?
            a. It has an adaptation to pump salt out of plant tissues.
            b. Its roots selectively exclude salt from the water it takes in.
            c. It is adapted to using salt as a nutrient instead of phosphorus.
            d. It grows new roots quickly to replace those burned by high salt concentrations.
50.Carnivorous plants obtain the nitrogen they need from insects because
            a. they are insect parasites.
            b. bacteria in the soil use up all the available nitrogen.
            c. there is little or no nitrogen in the soil where these plants live.
            d. insects release more nitrogen than can be obtained from normal soil.
plant
Answer Section

MULTIPLE CHOICE

      1. ANS:   D           DIF:   B   REF: p. 551       OBJ: 22.1.1
         STO:   Bio TEKS 8C.1
      2. ANS:   B           DIF:   E   REF: p. 552       OBJ: 22.1.1
      3. ANS:   C           DIF:   E   REF: p. 552       OBJ: 22.1.2
         STO:   Bio TEKS 4B.4
      4. ANS:   B           DIF:   A   REF: p. 553       OBJ: 22.1.3
         STO:   Bio TEKS 13A.1
      5. ANS:   A           DIF:   E   REF: p. 553       OBJ: 22.1.3
         STO:   Bio TEKS 12E.1
      6. ANS:   A           DIF:   B   REF: p. 556       OBJ: 22.2.1
         STO:   Bio TEKS 13B.1
      7. ANS:   D           DIF:   E   REF: p. 556       OBJ: 22.2.1
         STO:   Bio TEKS 13B.2
      8. ANS:   B           DIF:   A   REF: p. 557       OBJ: 22.2.2
         STO:   Bio TEKS 5A.1
      9. ANS:   D           DIF:   B   REF: p. 559       OBJ: 22.2.3
         STO:   Bio TEKS 13B.1
     10. ANS:   D           DIF:   E   REF: p. 558       OBJ: 22.2.3
         STO:   Bio TEKS 13B.1
     11. ANS:   A           DIF:   E   REF: p. 560       OBJ: 22.3.1
     12. ANS:   B           DIF:   A   REF: p. 563       OBJ: 22.3.3
         STO:   Bio TEKS 13B.1
     13. ANS:   C           DIF:   B   REF: p. 565       OBJ: 22.4.1
     14. ANS:   B           DIF:   E   REF: p. 564       OBJ: 22.4.1
     15. ANS:   C           DIF:   E   REF: p. 569       OBJ: 22.5.1
         STO:   Bio TEKS 13B.1
     16. ANS:   D           DIF:   E   REF: p. 570       OBJ: 22.5.2
         STO:   Bio TEKS 13B.1
     17. ANS:   A           DIF:   B   REF:   p. 572      OBJ:   22.5.3
         STO:   Bio TEKS 13B.1         NOT:   Bio TEKS 13B.2
     18. ANS:   C           DIF:   A   REF:   p. 572      OBJ:   22.5.3
     19. ANS:   D           DIF:   A   REF:   p. 580      OBJ:   23.1.1
     20. ANS:   C           DIF:   B   REF:   p. 580      OBJ:   23.1.3
     21. ANS:   A           DIF:   A   REF:   p. 582      OBJ:   23.1.3
         STO:   Bio TEKS 5A.1
     22. ANS:   A           DIF:   B   REF:   p. 584      OBJ:   23.2.1
     23. ANS:   D           DIF:   B   REF:   p. 590      OBJ:   23.3.2
     24. ANS:   D           DIF:   A   REF:   p. 590      OBJ:   23.3.2
     25. ANS:   D           DIF:   E   REF:   p. 592      OBJ:   23.3.3
     26. ANS:   D           DIF:   B   REF:   p. 596      OBJ:   23.4.1
         STO:   Bio TEKS 5A.10         NOT:   Bio TEKS 4B.2
     27. ANS:   A           DIF:   A   REF:   p. 596      OBJ:   23.4.1
    STO:   Bio TEKS 5A.10
28. ANS:   A           DIF:   A   REF: p. 597     OBJ: 23.4.2
    STO:   Bio TEKS 11A.2
29. ANS:   D           DIF:   B   REF:   p. 599   OBJ:   23.5.1
30. ANS:   A           DIF:   A   REF:   p. 612   OBJ:   24.1.1
31. ANS:   D           DIF:   A   REF:   p. 612   OBJ:   24.1.1
32. ANS:   C           DIF:   B   REF:   p. 610   OBJ:   24.1.2
33. ANS:   B           DIF:   E   REF:   p. 611   OBJ:   24.1.2
    STO:   Bio TEKS 13B.1
34. ANS:   A           DIF:   A   REF: p. 618     OBJ: 24.2.1
    STO:   Bio TEKS 13B.1
35. ANS:   D           DIF:   A   REF: p. 621     OBJ: 24.2.2
    STO:   Bio TEKS 7B.4
36. ANS:   A           DIF:   E   REF: p. 619     OBJ: 24.2.2
    STO:   Bio TEKS 13B.1
37. ANS:   C           DIF:   B   REF: p. 621     OBJ: 24.2.3
38. ANS:   B           DIF:   A   REF: p. 622     OBJ: 24.3.1
    STO:   Bio TEKS 13B.1
39. ANS:   D           DIF:   A   REF: p. 633     OBJ: 25.1.1
    STO:   Bio TEKS 13B.2
40. ANS:   D           DIF:   B   REF: p. 634     OBJ: 25.1.2
    STO:   Bio TEKS 11B.2
41. ANS:   C           DIF:   A   REF: p. 638     OBJ: 25.1.3
42. ANS:   C           DIF:   E   REF: p. 636     OBJ: 25.1.3
43. ANS:   D           DIF:   E   REF: p. 636     OBJ: 25.1.3
    STO:   Bio TEKS 13B.2
44. ANS:   B           DIF:   A   REF: p. 639     OBJ: 25.2.1
    STO:   Bio TEKS 11B.2
45. ANS:   C           DIF:   B   REF: p. 640     OBJ: 25.2.1
    STO:   Bio TEKS 11B.2
46. ANS:   D           DIF:   B   REF: p. 641     OBJ: 25.2.2
    STO:   Bio TEKS 11B.2
47. ANS:   A           DIF:   A   REF: p. 642     OBJ: 25.2.3
    STO:   Bio TEKS 11B.2
48. ANS:   D           DIF:   E   REF: p. 644     OBJ: 25.3.1
    STO:   Bio TEKS 12C.3
49. ANS:   A           DIF:   E   REF: p. 644     OBJ: 25.3.1
    STO:   Bio TEKS 13A.2
50. ANS:   C           DIF:   E   REF: p. 645     OBJ: 25.3.2
    STO:   Bio TEKS 12B.1

				
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