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

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

Chapter 02

The Plant Cell

 

 

Multiple Choice Questions

  1. The cell was first described by:
    A.Brown
    B. Schleiden
    C. Hooke
    D. Virchow

 

  1. Chloroplasts function in:
    A.cell division
    B. mitosis
    C. photosynthesis
    D. respiration

 

  1. A major chemical component of primary cell walls is:
    A.protein
    B. starch
    C. cellulose
    D. lipids

 

  1. Each half of a doubled chromosome can be called a:
    A.chromatid
    B. centromere
    C. gene
    D. locus

 

 

  1. Chromosomes are first visible in a dividing cell during:
    A.anaphase
    B. metaphase
    C. telophase
    D. prophase

 

  1. During mitosis the actual separation of chromatids takes place during:
    A.metaphase
    B. prophase
    C. anaphase
    D. telophase

 

  1. Diffusion ONLY occurs:
    A.provided there is a liquid solution
    B. in living cells
    C. in the presence of a concentration difference
    D. across a selectively permeable membrane

 

  1. During telophase, the:
    A.chromosomes migrate
    B. phragmoplast develops
    C. nuclear membrane breaks down
    D. spindle appears

 

  1. Yellow flower petals are likely to contain which organelle?
    A.chromoplasts
    B. leucoplasts
    C. amyloplasts
    D. chloroplasts

 

 

  1. The control center that houses the genetic material of a eukaryotic cell is the:
    A.ER
    B. cell membrane
    C. amyloplasts
    D. nucleus
    E. nucleolus

 

  1. The organelle which is the site of respiration is the:
    A.chlorophyll
    B. chloroplast
    C. vacuole
    D. mitochondrion

 

  1. The organelle which modifies and packages proteins made by the ER is the:
    A.ribosome
    B. leucoplast
    C. vacuole
    D. Golgi apparatus

 

  1. The rigid boundary of a plant cell which supports and protects the protoplast is called the:
    A.cell wall
    B. middle lamella
    C. cell membrane
    D. plasmodesmata

 

  1. The genetic blueprint within cells is:
    A.DNA
    B. RNA
    C. proteins
    D. ATP

 

 

  1. If a cell with 12 chromosomes undergoes mitosis, how many daughter cells result and what is the chromosome number in each daughter cell?
    A.2 cells, 6 chromosomes each
    B. 4 cells, 6 chromosomes each
    C. 2 cells, 12 chromosomes each
    D. 4 cells, 12 chromosomes each

 

  1. A cell which is not dividing is said to be in which stage?
    A.anaphase
    B. interphase
    C. metaphase
    D. prophase

 

  1. An organelle common in plant cells but not found in animal cells is the:
    A.ribosome
    B. large central vacuole
    C. nucleus
    D. plasma membrane

 

  1. The correct order of stages in mitosis is:
    A.prophase, metaphase, anaphase, telophase
    B. metaphase, prophase, anaphase, telophase
    C. prophase, anaphase, telophase, metaphase
    D. anaphase, metaphase, prophase, telophase

 

  1. It is difficult to observe individual chromosomes during interphase because:
    A.the DNA has not been doubled yet
    B. they uncoil to form long, thin strands
    C. they leave the nucleus and are dispersed to other parts of the cell
    D. chromatids do not pair up until division starts

 

 

  1. Mitosis results in:
    A.identical cells
    B. cells with half the normal number of chromosomes
    C. four cells
    D. spores

 

  1. Chromosomes line up at the equator of the cell during what stage of mitosis?
    A.telophase
    B. metaphase
    C. anaphase
    D. prophase

 

  1. Cytokinesis occurs during what stage of mitosis?
    A.prophase
    B. telophase
    C. anaphase
    D. metaphase

 

  1. The material which makes up the middle lamella and turns fruit juice into jelly is:
    A.cutin
    B. pectin
    C. suberin
    D. lignin

 

  1. An organelle found in all green plant cells is the:
    A.chloroplast
    B. chromoplast
    C. leucoplast
    D. microbody

 

 

  1. Cytoplasmic connections between adjacent plant cells are known as:
    A.microtubules
    B. endoplasmic reticulum
    C. plasmodesmata
    D. pits

 

  1. Chromatin condenses into chromosomes and the nucleus and nucleolus disappear during which stage of mitosis?
    A.telophase
    B. metaphase
    C. anaphase
    D. prophase

 

  1. Leucoplasts commonly store:
    A.chlorophyll
    B. water
    C. pigments
    D. starch

 

  1. A biochemist measured the amount of DNA in cells growing in the laboratory and found that the quantity of DNA in a cell doubled:
    A.between prophase and anaphase
    B. between anaphase and telophase
    C. during metaphase
    D. between G1 and G2 phases of interphase

 

  1. Which of the following phases of mitosis is essentially the opposite of prophase in terms of nuclear changes?
    A.telophase
    B. metaphase
    C. anaphase
    D. S phase

 

 

  1. Which of the following organelles is associated with protein synthesis?
    A.rough ER
    B. ribosomes
    C. nucleolus
    D. all of the above

 

  1. What cellular structure has been described as “protein icebergs in a sea of lipids?”
    A.primary cell wall
    B. plasma membrane
    C. smooth ER
    D. cytoskeleton

 

  1. The inner membrane of the mitochondrion has numerous infoldings called:
    A.cristae
    B. grana
    C. stroma
    D. endoplasmic reticulum

 

  1. Which of the following cell structures is correctly matched with its function?
    A.endoplasmic reticulum; waste disposal
    B. nucleolus; ribosome synthesis
    C. mitochondrion; transport
    D. leucoplast; pigment storage

 

  1. Which of the following cell structures is mismatched with its function?
    A.chloroplast; photosynthesis
    B. ribosome; secretion
    C. chromoplast; pigments
    D. cell wall; support

 

 

  1. Mitochondria:
    A.are green because of the chlorophyll they contain
    B. are the sites of cellular respiration
    C. have an inner membrane folded into stacks called grana
    D. are an RNA-rich region in the nucleus

 

 

True / False Questions

  1. If a plant cell is placed in a hypertonic solution, so much water enters the protoplast that it becomes turgid.
    FALSE

 

  1. Active transport of substances into a cell always requires the expenditure of energy.
    TRUE

 

  1. The quantity of water entering a cell in an isotonic solution is equal to the amount of water exiting.
    TRUE

 

  1. The cells of a wilted plant have lost so much water that they become plasmolyzed.
    TRUE

 

  1. The Endosymbiont Theory postulates that some organelles in cells were once independent organisms.
    TRUE

 

  1. If vincristine, a drug that disrupts microtubules, is applied to dividing cells, chromosomes will not form.
    FALSE

 

 

  1. According to the Cell Theory, DNA is the genetic material in all cells.
    FALSE

 

  1. The cell is the basic unit of life.
    TRUE

Chapter 04

Plant Physiology

 

 

Multiple Choice Questions

  1. The source of oxygen produced in photosynthesis is:
    A.carbon dioxide
    B. PGA
    C. NADP
    D. NADPH
    E. water

 

  1. Water loss through the leaves of plants is called:
    A.translocation
    B. transpiration
    C. hydration
    D. reverse osmosis
    E. none of the above

 

  1. What part of the root is responsible for the majority of water uptake?
    A.root cap
    B. root hairs
    C. anthers
    D. root meristem
    E. cortex

 

  1. Diffusion of gases in and out of leaves occurs through openings known as:
    A.vessels
    B. stomata
    C. tracheids
    D. guard cells
    E. apertures

 

 

  1. What are the raw materials for photosynthesis?
    A.sugar and water
    B. water and carbon dioxide
    C. water and oxygen
    D. sugar and oxygen
    E. oxygen and CO2

 

  1. The function of the xylem is:
    A.conduction of food
    B. storage
    C. conduction of water
    D. photosynthesis
    E. none of the above

 

  1. Sieve tubes are found in:
    A.the epidermis
    B. the cortex
    C. the pith
    D. the xylem
    E. the phloem

 

  1. The organelle associated with respiration within the cell is the:
    A.nucleus
    B. vacuole
    C. chloroplast
    D. mitochondrion
    E. Golgi body

 

 

  1. The pigmented organelle associated with photosynthesis is the:
    A.nucleus
    B. chloroplast
    C. ribosome
    D. vacuole
    E. mitochondrion

 

  1. The energy molecule produced in the mitochondrion and chloroplast is:
    A.RNA
    B. DNA
    C. ATP
    D. GUR
    E. protein

 

  1. Which of the following statements is correct?
    A.carbon dioxide is given off during photosynthesis
    B. carbon dioxide is used for respiration
    C. oxygen is given off during respiration
    D. oxygen is given off during photosynthesis
    E. both carbon dioxide and oxygen are used in photosynthesis

 

  1. The splitting of water is part of:
    A.the light-independent dark reactions of photosynthesis
    B. ATP formation
    C. the light reactions of photosynthesis
    D. photophosphorylation
    E. none of the above

 

 

  1. The raw materials for the manufacture of sugars in green plants are:
    A.minerals from the soil
    B. dead organic matter
    C. simple sugars
    D. carbon dioxide and water
    E. starch

 

  1. Pyruvic acid is the end product of:
    A.the Krebs cycle
    B. glycolysis
    C. the electron transport system
    D. the Calvin cycle
    E. fermentation

 

  1. Which of the following stages of respiration yields the greatest quantity of energy?
    A.glycolysis
    B. Krebs cycle
    C. electron transport system
    D. fermentation

 

  1. The reaction center in photosystem I is:
    A.P680
    B. P700
    C. P250
    D. P780
    E. P520

 

  1. Unlike most plants, sugar beet and sugar cane store:
    A.glucose
    B. sucrose
    C. fructose
    D. galactose
    E. starch

 

 

  1. The enzymes necessary for the Calvin cycle are found in the:
    A.thylakoids
    B. stroma
    C. grana
    D. matrix
    E. cristae

 

  1. The thick uncrystallized syrup obtained from sugar cane processing is called:
    A.raw sugar
    B. refined sugar
    C. molasses
    D. bagasse
    E. corn syrup

 

  1. One byproduct of sugarcane production is bagasse which is:
    A.crushed sugarcane stems
    B. wax scraped off the stem
    C. uncrystallized sweet mother liquor
    D. pulp for cattle feed cakes
    E. molasses

 

  1. The major sources of the world’s sugar supply are the:
    A.sugar beet and sugar cane
    B. sugar cane and palm sugar
    C. sugar cane and maple sugar
    D. sugar beet and palm sugar
    E. maple sugar and palm sugar

 

 

  1. How many molecules of ATP are produced by the complete breakdown of glucose through all stages of cellular respiration?
    A.2
    B. 4
    C. 16
    D. 32
    E. 36

 

  1. The plant which is the second most important sugar crop in the world is the:
    A.sugar maple
    B. date palm
    C. sugar beet
    D. sugarcane
    E. pineapple

 

  1. The products of photosynthesis are:
    A.glucose and CO2
    B. CO2 and H2O
    C. glucose and O2
    D. H2O and CO2
    E. O2 and CO2

 

  1. The epidermal cells that regulate the size of the stomata are called:
    A.guard cells
    B. mesophyll cells
    C. sieve cells
    D. spongy cells
    E. vessels

 

 

  1. Conducting cells in the phloem are called:
    A.fibers
    B. tracheids
    C. sieve tube members
    D. vessel elements
    E. trichomes

 

  1. Which of the following cells are involved in water conduction?
    A.fibers
    B. vessel elements
    C. tracheids
    D. all of the above
    E. both (b) and (c)

 

 

Fill in the Blank Questions

  1. The root of ____ stores up to 20% sucrose and provides one third of the world’s total sugar production.
    sugar beet

 

  1. The loss of water vapor from a leaf is known as _______.
    transpiration

 

  1. During glycolysis, glucose in broken down to yield two molecules of _______.
    pyruvic acid

 

  1. _______ is the most essential pigment for photosynthesis.
    Chlorophyll

 

 

  1. The compound transported in the phloem of most plants is _______.
    sucrose

 

  1. Respiration that occurs in the absence of oxygen is known as _______.
    anaerobic

 

  1. The infoldings of the inner mitochondrial membrane are called the ________.
    cristae

 

  1. Grana are composed of stacks of ________.
    thylakoids

 

  1. The reaction center P680is found in photosystem _______.
    II

 

  1. The Calvin cycle occurs in the _______ of the chloroplast.
    stroma

 

  1. Oxygen is produced during the _______ reactions of photosynthesis.
    light

 

  1. _______ is the end product of photosynthesis which is quickly converted to other carbohydrates.
    Glucose

 

 

  1. Which sugar crop supplies the majority of sucrose for the world market?
    sugarcane

 

  1. During the Calvin cycle, what molecules supply energy for the fixation and reduction of carbon dioxide?
    ATP and NADPH

 

  1. During aerobic respiration, glucose is broken down completely to form ______ and _______.
    carbon dioxide and water

 

  1. The net energy gain of glycolysis is _______ ATP.
    2

 

  1. The force which drives the creation of ATP by passing protons through ATP synthase is known as _______.
    chemiosmosis

 

For each of the following indicate during which stage or stages of respiration it occurs (i.e., glycolysis, Krebs cycle, and/or electron transport system).

 

  1. ATP formed ______________________________________________
    all stages

 

  1. CO2given off ___________________________________________
    Krebs cycle

 

 

  1. Pyruvic acid formed _____________________________________
    glycolysis

 

  1. NADH oxidized ___________________________________________
    electron transport system

 

  1. ATP used ________________________________________________
    glycolysis

 

For each of the following indicate during which stage or stages of photosynthesis it occurs (i.e., Photosystem I, Photosystem II, and/or Calvin cycle).

 

  1. Fixation of CO2_________________________________________
    Calvin cycle

 

  1. Reduction of NADP+ _______________________________________
    Photosystem I

 

  1. O2given off ____________________________________________
    Photosystem II

 

  1. ATP used ________________________________________________
    Calvin cycle

 

 

  1. Formation of phosphoglyceraldehyde ______________________
    Calvin cycle

 

 

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