Plants And Society 6th Edition by Estelle Levetin – Test Bank
Sample  Questions


Chapter 03

The Plant Body



Multiple Choice Questions

  1. Which of the following cell types are involved in the long-distance conduction of water?
    A.parenchyma and vessel elements
    B. collenchyma and tracheids
    C. vessel elements and tracheids
    D. sclerenchyma and parenchyma


  1. The cell type most commonly found in the cortex of stems and roots is:
    A.vessel elements
    B. sclereids
    C. parenchyma
    D. tracheids


  1. The formation of secondary xylem is due to the activities of the:
    A.vascular cambium
    B. cork cambium
    C. epidermis
    D. cortex


  1. Which of the following is a cell type that is classified as sclerenchyma?
    B. parenchyma
    C. fiber
    D. sieve tube



  1. Dendrochronology is the study of:
    B. tree morphology
    C. tree rings
    D. apical meristem activity


  1. Sieve tube members are found in the:
    B. cortex
    C. xylem
    D. phloem


  1. In woody plants, what is the function of cork?
    A.conduction of water
    B. conduction of food
    C. photosynthesis
    D. protection


  1. When a botanist speaks of wood, he is really speaking of the:
    A.entire tree
    B. vascular cambium
    C. pith
    D. secondary xylem


  1. Which of the following cells does not occur in the phloem?
    A.sieve tube members
    B. companion cells
    C. parenchyma cells
    D. tracheids
    E. fibers



  1. The plant tissues which provide support are the:
    A.apical meristem and vascular cambium
    B. epidermis and phloem
    C. parenchyma and cork cambium
    D. sclerenchyma and collenchyma


  1. The tissue in plants specialized for transporting food is the:
    B. parenchyma
    C. phloem
    D. epidermis


  1. The xylem cell which is only found in flowering plants is the:
    A.sieve tube element
    B. companion cell
    C. vessel element
    D. tracheid


  1. Which of the following is produced by the cork cambium?
    B. vessels
    C. sieve tubes
    D. outer bark


  1. What is the main function of xylem?
    A.water transport
    B. support
    C. prevention of water loss
    D. protection



  1. The protective covering over the epidermis that prevents water loss is:
    B. the cuticle
    C. suberin
    D. cellulose


  1. The hardness in the shells of many nuts is due to the presence of which type of cell?
    B. companion cells
    C. fibers
    D. guard cells


  1. The ______, found at the tips of roots and shoots, produces new cells which add to the length of the plant.
    A.vascular cambium
    B. apical meristem
    C. cork cambium
    D. epidermis


  1. What plant cells have been used to make cloth and rope?
    B. sclereids
    C. vessels
    D. sieve tubes


  1. The vascular tissue which conducts the sugary products of photosynthesis from the leaves to all other parts of the plant is the:
    B. phloem
    C. cambium
    D. collenchyma



  1. A carrot is an example of a root system characterized by one main root, that is, a:
    A.tap root
    B. fibrous root
    C. tuberous root
    D. tuber


  1. _______ are part of the epidermis of the root tip. They function in the absorption of water and minerals from the soil.
    A.Root hairs
    B. Companion cells
    C. Periderms
    D. Spongy cells


  1. In which organ would you find a star-shaped area of xylem if you viewed the organ in cross section?
    A.dicot root
    B. dicot stem
    C. monocot root
    D. monocot stem


  1. The photosynthetic cells in leaves are:
    A.vascular bundles
    B. epidermal cells
    C. spongy and palisade cells
    D. pith cells


  1. If three or more leaves arise from the node of a stem, the leaf arrangement is said to be:
    B. alternate
    C. whorled
    D. compound



  1. Celery and rhubarb are actually ________.
    B. petioles
    C. stems
    D. vines


  1. What is the most important function of a leaf?
    A.absorption of water and minerals
    B. anchorage
    C. support
    D. photosynthesis


  1. Salads were a favorite of the ancient Romans as the name for what type of lettuce suggests?
    B. iceberg
    C. gladiator
    D. Boston


  1. Most of our root vegetables are of the _____ root type.
    B. fibrous
    C. woody
    D. tap


  1. The juice of what common vegetable was used for its sedative like properties?
    B. cabbage
    C. beet
    D. carrot



  1. A carnivorous plant that traps prey with sticky, flypaper like leaves is the:
    B. bladderwort
    C. pitcher plant
    D. sundew


  1. A carnivorous plants with a bear trap mechanism for catching prey is the:
    A.pitcher plant
    B. butterwort
    C. bladderwort
    D. Venus’s-flytrap



True / False Questions

  1. Monocot stems lack a pith.


  1. When there are two leaves at a node, the leaf arrangement is called compound.


  1. The stalk that supports the blade of a leaf is the petiole.


  1. Taproot systems have one large main root and many smaller branch roots.


  1. Palisade cells of a leaf primarily regulate gas exchange between the plant and the surrounding atmosphere.



  1. Absorption of water and minerals in a root occurs through the root hairs.


  1. The vascular tissue of a root is found in vascular bundles.


  1. The primary function of stems is to anchor the plant.


  1. If the blade is undivided, the leaf is said to be compound.


  1. Food is often stored in the cortex of a root.


  1. The root cap is a thimble-like structure that protects the root as it grows through the soil.


  1. The venation that is characteristic of dicot leaves is known as parallel venation.


  1. In a woody plant the dermal tissue that replaces the epidermis is the periderm.


  1. One type of cell that contains secondary walls is collenchyma.



  1. Carrots are carved into figures and displayed during “La Noche de Rabanos” in Oaxaca City in southern Mexico.


  1. Primary growth adds to the girth of stems and roots.


  1. Wood is composed of secondary xylem.


  1. Branch roots arise from the apical meristem.

Chapter 05

Plant Life Cycle: Flowers



Multiple Choice Questions

  1. When do homologous chromosomes separate during meiosis?
    A.Prophase I
    B. Metaphase I
    C. Anaphase I
    D. Metaphase II
    E. Anaphase II


  1. Which is a component of the female part of the flower?
    B. style
    C. corolla
    D. calyx
    E. receptacle


  1. A flower lacking either carpels or stamens is said to be:
    B. imperfect
    C. unisexual
    D. all of the above
    E. none of the above


  1. Which is a component of the male part of the flower?
    B. style
    C. corolla
    D. calyx
    E. receptacle



  1. In a flower, the corolla is the collective term for all the:
    B. pollen
    C. petioles
    D. petals
    E. ovules


  1. A carpellate flower is a:
    A.unisexual male flower
    B. unisexual female flower
    C. flower with both sex organs
    D. flower without petals
    E. none of the above


  1. The fusion of gametes results in the formation of:
    A.a diploid gamete
    B. a diploid zygote
    C. a haploid zygote
    D. a haploid gamete
    E. a diploid egg


  1. What is a zygote?
    A.a haploid cell
    B. a cell about to enter mitosis
    C. the immediate result of meiosis
    D. the immediate result of mitosis
    E. the immediate result of fertilization


  1. Meiosis occurs in:
    B. stems
    C. petals
    D. vegetative reproduction
    E. none of the above



  1. After fertilization, the ovary of a flower develops into a:
    B. fruit
    C. pistil
    D. stamen
    E. none of the above


  1. The part of the flower where pollen is produced is called the:
    B. anther
    C. sepal
    D. carpel
    E. stigma


  1. The flower parts which are usually colorful and showy and whose function is to attract pollinators are the:
    B. pistils
    C. petals
    D. sepals


  1. When the sepals, petals, and stamens are attached at the top of the ovary, the ovary is called:
    B. superior
    C. inferior
    D. simple
    E. compound



  1. The structures that protect unopened flower buds are the:
    B. petals
    C. stamens
    D. carpels
    E. pistils


  1. If there are 12 chromosomes in a cell that has just completed meiosis, what is the diploid number of chromosomes for that organism?
    B. 12
    C. 24
    D. 48


  1. In the life cycle of flowering plants, the gametophyte produces:
    B. spores
    C. seeds
    D. fruits


  1. A gametophyte is:
    B. the plant produced when gametes join
    C. produced from the zygote
    D. diploid
    E. an underground plant


  1. Which of the following will develop into the male gametophyte?
    B. microspore
    C. carpel
    D. ovary
    E. ovule



  1. During fertilization in flowering plants, one sperm nucleus fuses with the egg, and the second sperm nucleus:
    A.fuses with a second haploid female which develops into a second zygote
    B. is ejected from the plant once the first fertilization occurs
    C. becomes the protective covering of the seed
    D. fuses with the two polar nuclei to form a triploid endosperm nucleus
    E. none of the above


  1. The pollen tube of the germinated pollen grain serves to:
    A.deliver the sperm to the female gametophyte
    B. anchor the pollen grain on the stigma of the flower
    C. deliver nutrients to the ovule within the ovary
    D. none of the above


  1. Homologous chromosomes cross over (exchange genes) during what stage of meiosis?
    A.prophase I
    B. prophase II
    C. metaphase I
    D. telophase II
    E. anaphase I


  1. The endosperm within a seed is formed when a sperm fuses with the ______ of the embryo sac.
    B. pollen tube
    C. polar nuclei
    D. ovule
    E. integuments



  1. Pollen grains are transferred to the stigma of a flower during:
    B. germination
    C. imbibition
    D. pollination
    E. meiosis


  1. Sperm of flowering plants are transferred to the egg by the:
    A.pollen tube
    B. swimming through water
    C. wind
    D. an ovule
    E. insects


  1. At the conclusion of meiosis daughter cells have:
    A.half the number of chromosomes of the parent cell
    B. twice the number of chromosomes of the parent cell
    C. the same number of chromosomes of the parent cell
    D. none of the above


  1. Flowers pollinated by birds are often:
    A.heavily scented
    B. night bloomers
    C. red
    D. speckled to resemble insects
    E. lacking petals


  1. Flowers have been used for making perfume for thousands of years because of their _______.
    B. pollen
    C. essential oils
    D. sap
    E. none of the above



  1. Fly pollinated flowers are usually:
    A.foul smelling
    B. rich in nectar
    C. lacking both petals and sepals
    D. prodigious pollen producers
    E. none of the above


  1. An inflorescence which is pendulous (hanging) and consists only of unisexual flowers is called a:
    B. spike
    C. raceme
    D. head
    E. umbel



Fill in the Blank Questions

  1. 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.
    egg, polar nuclei


  1. In flowers meiosis occurs in the ______ of the stamen and the ______ of the carpel.
    anther and ovary


  1. The female gametophyte of flowering plants is called the ______.
    embryo sac


  1. Meiosis results in the production of _______ haploid cells.



  1. A unisexual flower lacking carpels would be called _____.


  1. The highly resistant outer pollen wall called the _____ allows the pollen grain to be identified in geological sediments.


  1. Fruit formation without fertilization is known as ______.


  1. After fertilization ovules develop into ______.


  1. In flowering plants, the male gametophyte is the ______.


  1. If a cell with 16 chromosomes undergoes meiosis, the products would be _____ cells with ______ chromosomes.
    4, 8



True / False Questions

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



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


  1. Wind pollinated flowers usually have large showy petals.


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


  1. The pollen producing parts of a flower are called anthers.


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

Chapter 13




Multiple Choice Questions

  1. Which legume is considered the “Cinderella Crop”?
    B. lentils
    C. green beans
    D. soybeans


  1. Which of the following are native to the New World?
    A.broad bean
    B. peanut
    C. soybean
    D. both (a) and (b)


  1. Nitrogen-fixing bacteria would most likely be found on the roots of which of the following?
    B. rice
    C. barley
    D. wheat


  1. Which of the following has the highest protein content?
    B. wheat
    C. peanut
    D. rice



  1. Which of the following forms of nitrogen is most commonly absorbed by plants?
    B. nitrites
    C. ammonium
    D. both (a) and (c)


  1. The domesticated crop with the highest percentage of protein is:
    B. beans
    C. soybean
    D. peas


  1. What legume is unique in that it actually buries its seeds?
    B. peanut
    C. soybean
    D. alfalfa


  1. What part of a leguminous plant is generally consumed?
    A.the pods
    B. the leaves
    C. the seeds
    D. the nodules


  1. What is the food storing part of a leguminous seed?
    A.the pod
    B. the cotyledons
    C. the seed coat
    D. the germ



  1. Peanuts are native to which continent?
    B. Asia
    C. North America
    D. South America


  1. Which type of bean triggers favism, the destruction of red blood cells in genetically predisposed individuals?
    B. kidney
    C. broad
    D. green


  1. What soybean product is made from curds of soy milk? sauce
    B. textured vegetable protein
    C. tofu
    D. miso


  1. What African American scientist invented over 300 food and industrial uses for the peanut?
    A.John Harvey Kellogg
    B. George Washington Carver
    C. Norman Borlaug
    D. Nikolai Vavilov


  1. Which legume crop below is one of the most widely grown forage crops?
    B. Medicago
    C. Phaseolus
    D. Glycine



  1. Which leguminous tree has been nicknamed “Jack’s beanstalk” because of its amazing growth rate?
    A.winged bean
    B. leucaena
    C. groundnut
    D. lesquerella



True / False Questions

  1. The best plant sources of protein are the legumes.


  1. Anthropogenic sources of fixed nitrogen are roughly half the amounts contributed by all natural sources.


  1. Olive oil is derived from fruits unlike most plant oils that come from seeds.


  1. The most unsaturated oils have the slowest drying time.



Fill in the Blank Questions

  1. Bacteria found in nodules in the roots of legumes can convert atmospheric nitrogen into nitrates, a form usable to plants by a process known as nitrogen _____.



  1. _______ _______ is a popular American food made from grinding up the seeds of a legume, and was originally invented as a health food.
    Peanut butter


  1. Arachis hypogea is the scientific name of _______.


  1. Henry Ford once built a car which had a plastic body that was made from ________ oil.


  1. _______ are legumes which have a higher protein content than lean beef.


  1. _____________ are present in soy products and may have a number of beneficial health effects: reducing blood cholesterol, lessening the symptoms of menopause, and alleviating the effects of osteoporosis.


  1. Native throughout eastern North America, the _____________ was valued by Native Americans for its nutritious seeds and tubers.


  1. ____________ is a non-polluting fuel developed from vegetable oils that can substitute for petroleum derived products.