Chapter 5 Full Test Bank Plant Life Cycle Flowers

Plants and Society, 8e (Levetin)

Chapter 5 Plant Life Cycle: Flowers

1) What are the green leafy structures of a typical flower the covers the unopened flower bud?

A) sepals

B) petals

C) stamens

D) carpels

E) corolla

2) Which of the following is the correct sequence of floral structures from the outside to the inside of a typical flower?

A) androecium, calyx, corolla, gynoecium

B) calyx, corolla, gynoecium, androecium

C) calyx, corolla, androecium, gynoecium

D) corolla, calyx, androecium, gynoecium

E) calyx, androecium, gynoecium, corolla

3) Together, the calyx and corollas constitute which of the following:

A) perianth

B) gynoecium

C) anther

D) filament

E) stigma

4) What would you find between the sepals and the stamen of a typical complete flower?

A) the calyx

B) the gynoecium

C) the androecium

D) the corolla

E) xylem

5) All of the following except one are parts of a typical carpel. Choose the exception.

A) style

B) filament

C) stigma

D) ovary

E) zygote

6) Sepals, the outermost whorl of leaf-like structures that cover the unopened flower bud are usually which of the following:

A) dead parenchyma and collenchyma

B) green and photosynthetic

C) green and cyanotic

D) green and toxic

E) None of the above are correct.

7) What are breaking tulips?

A) tulips with bulbs that shatter on planting

B) tulips with pedicels that split along a seam

C) tulips with bulbs that split leading to more than one flower per bulb

D) tulips with unpredictable stripes of vivid color against a contrasting background

E) None of the above are correct.

8) Flowers that have all four floral appendages are called which of the following:

A) complete

B) incomplete

C) angiosperms

D) gymnosperms

E) None of the above are correct.

9) What does the virus that causes the breaking of tulips do to cause this effect?

A) infects the phloem and reduce the flow of sucrose to the bulbs

B) suppresses the expression of reds and blues in some perianth cells but not others

C) causes the cloning of cells similar to cancer

D) creates holes in the phloem allowing for the leakage of sap that attracts aphids who then create tunnels to the bulbs

E) None of the above are correct.

10) Which of the following statements is not correct?

A) A flower can be both incomplete and perfect.

B) A flower can be both complete and imperfect.

C) A flower can be both incomplete and imperfect.

D) A flower can be both complete and perfect.

E) More than one of these are an incorrect statement.

11) A plant with imperfect flowers has which of the following?

A) stamens and carpels but lacks either sepals or petals

B) lacks either stamens or carpels

C) lacks either stamens, carpels, sepals, or petals

D) problems adjusting

E) None of the above are correct.

12) Which of the following becomes a fruit?

A) the entire flower

B) the carpel

C) the anther

D) the ovary

E) the ovule

13) The ________ of a flower produce eggs while the ________ of the flower produce sperm.

A) ovary, anther

B) style, filament

C) stigma, anther

D) style, stigma

E) anther, ovary

14) You find a flower that is dioecious, hypogenous, and zygomorphic. Which of the following statements would be the correct interpretation of this information?

A) The flower has both sexes, an inferior ovary, and bilateral symmetry.

B) The flower has one sex, a superior ovary, and bilateral symmetry.

C) The flower has one sex, an inferior ovary, and bilateral symmetry.

D) The flower has both sexes, a superior ovary, and radial symmetry.

E) None of the above are correct.

15) Lilies have a diploid number of 24. After meiosis, how many chromosomes do each of the gametes have?

A) 24

B) 48

C) 12

D) 6

E) None of the above are correct.

16) Which of the following does not describe inflorescence types?

A) spike

B) raceme

C) panicle

D) umbel

E) All of the above describe different inflorescence types.

17) Regular flowers (actinomorphic) have radial symmetry and include all but which of the following?

A) orchid

B) sunflower

C) daffodil

D) lily

E) rose

18) Which of the following plant structures (or forms) are not haploid?

A) spores

B) gametophytes

C) sporophytes

D) gametes

E) All of these plant structures are haploid.

19) When in meiosis is the haploid condition established?

A) after the first cytokinesis

B) after the second cytokinesis

C) between metaphase II and anaphase II

D) between telophase II and the second cytokinesis

E) during interphase

20) In what stage of meiosis do homologous chromosomes separate?

A) metaphase I

B) anaphase I

C) metaphase II

D) anaphase II

E) during interphase II

21) Which of the following statements is not correct?

A) Chromosomes are duplicated during prophase.

B) Synapsis occurs when homologous chromosomes physically meet.

C) Crossing over results in chromatids that are complete but have new genetic combinations.

D) Spores are reproductive units formed in a sporangium.

E) The sporophyte is the diploid plant.

22) Which of the following is triploid in a typical angiosperm?

A) the egg

B) the megaspore mother cells

C) the endosperm

D) the embryo

E) the microspore mother cells

23) What is the fate of the four megaspores that result from meiosis in a typical angiosperm?

A) All four develop into ovules.

B) Two develop into ovules; two develop into the seed coat.

C) One develops into an ovule; the other three become microspores.

D) One develops into an ovule; the other three degenerate.

E) All of the above are correct.

24) What is the fate of the four microspores that result from meiosis in a typical angiosperm?

A) All four develop into pollen grains.

B) Two develop into pollen grains; two develop into the pollen outer wall.

C) One develops into a pollen grain; the other three become megaspores.

D) One develops into a pollen grain; the other three degenerate.

E) None of the above are correct.

25) In the life cycle of a typical angiosperm, meiosis leads directly to the formation of which of the following?

A) sperm and eggs

B) a zygote

C) gametophytes

D) microspores and megaspores

E) sporophytes

26) In the life cycle of a typical angiosperm, which of the following undergoes meiosis?

A) megaspores

B) microspore mother cells

C) female gametophytes

D) embryos

E) More than one of the above undergoes meiosis.

27) For which of the following has the study of pollen been shown to be important?

A) the search for oil deposits

B) Navajo sacred ceremonies

C) determining the diets of ancient peoples

D) causing hay fever

E) All of these are reasons why the study of pollen is important.

28) The complementary adaptations of flowers and their pollinators is a result of which of the following?

A) sexual selection

B) adaptation to plant behavior

C) convergent evolution

D) coevolution: interactions between plants and pollinators over time

E) None of the above are correct.

29) You find a flower that is small, white, odorless, and with long filaments and copious pollen. This flower is most likely pollinated by which of the following?

A) wind.

B) bees.

C) moths or flies.

D) hummingbirds.

E) rain splash.

30) A carpellate flower is which of the following?

A) unisexual male flower

B) unisexual female flower

C) flower with both sex organs

D) flower without petals

E) none of the above

31) Endosperm forms when which one of the following takes place?

A) when two polar nuclei and one sperm unite

B) when the zygote develops into an embryo

C) when the embryo sac or female gametophyte is formed

D) when pollen chambers fill with microspores

E) All of the above are correct.

32) In squash flowers, the flower parts are inserted above the ovary. What is this condition called?

A) hypogynous

B) perigynous

C) hypergynous

D) epigynous

E) None of the above are correct.

33) Enfleurage is a process used in the production of which of the following?

A) honey.

B) alcoholic drinks.

C) molasses.

D) perfumes.

E) None of the above are correct.

34) In angiosperm double fertilization, one sperm nucleus fertilizes the egg and the other fertilizes which of the following?

A) polar nuclei.

B) antipodals.

C) endosperm.

D) integuments.

E) synergids.

35) What is the function of endosperm?

A) It provides protection for the seed.

B) It develops into the fruit.

C) It provides nourishment for the developing embryo.

D) It directs the pollen tube to the egg.

E) None of the above are correct.

36) Which of the following structures is not part of the ovule?

A) polar nuclei

B) synergids

C) exine

D) antipodals

E) pollen grain

37) Most of the nutritive value of rice, wheat, and corn grains is found in which of the following?

A) endosperm

B) seed coat

C) embryo

D) cotyledons

E) None of the above are correct.

38) Which of the following develops into the male gametophyte?

A) anther

B) microspore

C) carpel

D) ovary

E) ovule

39) The pollen tube of the germinated pollen grain serves to which of the following?

A) Delivers the sperm to the female gametophyte.

B) Anchors the pollen grain on the stigma of the flower.

C) Delivers nutrients to the ovule within the ovary.

D) Forms microspores from macrospores.

E) None of the above are correct.

40) Homologous chromosomes cross-over and exchange genes during what stage of meiosis?

A) prophase I

B) prophase II

C) metaphase I

D) telophase II

E) anaphase I

41) Flowers pollinated by birds are often which of the following?

A) heavily scented

B) night bloomers

C) pigmented (red, orange, or yellow)

D) speckled to resemble insects

E) lacking petals

42) Which of the following is a pendulous (hanging) inflorescence and consists only of unisexual flowers?

A) catkin

B) spike

C) raceme

D) head

E) umbel

43) During double fertilization one sperm unites with the ________ to form a zygote, while the second sperm unites with the ________ to form the primary endosperm nucleus.

44) In flowers meiosis occurs in the ________ of the stamen and the ________ of the carpel.

45) The female gametophyte of flowering plants is called the ________.

46) Meiosis results in the production of ________ haploid cells.

47) A unisexual flower lacking carpels would be called ________.

48) The highly resistant outer pollen wall called the ________ allows the pollen grain to be identified in geological sediments.

49) Fruit formation without fertilization is known as ________.

50) A flower pattern of 3s or 6s indicates a monocot.

51) Flowers are essentially modified branches with four sets of specialized appendages or floral organs: sepals, petals, stamens, and endosperm.

52) The entire whorl of sepals of a single flower is called the calyx.

53) Fly-pollinated flowers are usually pale in color and give off a delicate scent only in the evenings.

54) Wind-pollinated flowers usually have large showy petals.

55) The stigma is that part of the carpel that receives pollen grains.

56) The pollen producing parts of a flower are called anthers.

57) In the seventeenth century, a buying frenzy for exotic orchids resulted in an economic crisis for the Netherlands.