BOTANY EXAM 1 SAMPLE

MATCHING (1-39)

1.    The person who discovered the nucleus of the cell in 1835:

a.    Robert Hooke
b.    Louis Pasteur
c.    Matthias Schleiden
d.    Robert Brown
e.    Rudolf Virchow

2.    The primary factor involved with the determination of cell size:

a.    cell shape                        
b.    cell metabolism
c.    surface volume ratio
d.    how much the cell eats
e.    none of these are correct

3.    The secondary cell wall in woody tissue is composed of :

a.    pectin
b.    cellulose only
c.    suberin
d.    cellulose and lignin
e.    cellulose and pectin

4.    The primary molecular constituent of cell membranes:

a.     phospholipids
b.     protein
c.     glycoproteins       
d.     glycolipids
e.     none of these are correct

5.    Which of the following is not a function of the rough endoplasmic reticulum?

    a.     protein synthesis
    b.     production of glycoproteins
    c.     membrane production
    d.     detoxification
    e.     protein transport

6.    Which of the following organelles contain some of its own DNA?

a.     ribosomes
b.     mitochondria
c.     ribosomes
d.     chloroplast
e.     Two of the above contain some of their own DNA.

7.    Which of the following organelles is involved with food storage?

a.    mitochondria
b.    cell vacuole
c.    leucoplast
d.    chromoplast
e.    chloroplast

8.    The most advanced type of xylem:

    a.    tracheids
    b.    vessels
    c.    sieve cell member
    d.    none of these
    e.    companion cells are correct

9.    Which of the following cell types is non-living at maturity?

    a.    sclerenchyma
    d.    sieve tube member
    b.    parenchyma
    c.    collenchyma
    e.    all of these are living at maturity

10.    Which of the following meristematic tissues produces secondary tissue?

    a.    vascular cambium
    b.    cork cambium
    c.    lateral meristems
    d.    apical meristem
    e.    more than one of these are correct

11.    A waxy compound that water proofs cork tissue:

a.    cutin
b.    lignin
c.    cellulose
d.    suberin
e.    starch

12.    Which of the following tissues is involved with providing strength and protection to the plant?

    a.    tracheids
    b.    collenchyma
    c.    sclerenchyma fibers
    d.    sclerids
    e.    all of these provide strength and protection

13.    Which of the following types of cells is involved in photosynthesis?

a.    sclerids
b.    chlorenchyma
c.    transfer cells
d.    xylem
e.    vessels

14.    An opening in the leaf epidermis that allows gas exchange:

a.    stoma
b.    lenticel
c.    guard cells
d.    pith
e.    none of these are correct

15.    The ______________________ produces secondary xylem and secondary phloem.

16.    Which of the following tissues is involved in the transport of food in plants?

a.    xylem
b.    parenchyma
c.    phloem
d.    collenchyma
e.    lenticels

17.    The region of the root tip in which cells grow rapidly causing the root to grow in length.

a.    root cap
b.    region of maturation
c.    meristematic region
d.    cambial region
e.    region of elongation

18.    Which of the following root types does not have a vascular cambium?

    a. dicot     b. monocot

19.    A root that grows above ground and functions in gas exchange.

a.    aerial roots
b.    contractile roots
c.    propagative roots
d.    pneumatophores
e.    buttress roots

20.    A symbiotic association between the roots of vascular plants and fungi which assist the plant in absorbing selected minerals from the soil:

a.    parasitic roots
b.    mycorrhizae
c.    pneumatophores
d.    root nodules
e.    none of these are correct

21.    Which of the following is not a prokaryotic characteristic?

a.    continuous loop of DNA
b.    do not have a nuclear envelope
c.    have histone proteins associated with the DNA
d.    2 to 10um in size
e.    no endoplasmic reticulum

22.    Which of the following is not a plant cell characteristic?

a.    have a cell wall
b.    have a central vacuole
c.    have centrioles
d.    have plastids
e.    None of these are correct.

23.    Pull the chromosomes apart during mitosis:

a.    kinetochore
b.    kinetochore microtubules
c.    nonkinetochore microtubules
d.    centromeres
e.    None of these are correct

24.    Division of the nucleus in which daughter nuclei are identical to the mother nucleus:

a.    mitosis
b.    meiosis
c.    cytokinesis
d.    diploid
e.    binary fission

25.    Chromosome duplication occurs during:

a.    prophase
b.    mitosis
c.    G1 phase
d.    S-phase
e.    G2 phase

26.    Chromosomes line up along the equatorial plane of the cell:

a.    prophase
b.    interphase
c.    anaphase
d.    telophase
e.    metaphase

27.    Phase of mitosis in which centromeres separate and move to opposite poles of the cell.

a.    metaphase
b.    telophase  
c.    prophase
d.    G2 phase
e.    anaphase

28.    This tissue is living at maturity and has some secondary thickening of its cell walls:

a.    collenchyma
b.    xylem
c.    sclerenchyma
d.    parenchyma
e.    two of these are correct

29.    A tissue that has many air spaces between cells?

a.    xylem
b.    chlorenchyma
c.    aerenchyma
d.    parenchyma
e.    None of these are correct.

30.    The site of protein synthesis:

a.    nuclear membranes
b.    call vacuole
c.    mitochondria
d.    ribosomes
e.    chloroplast

31.  Spring wood is composed of:

a.    small primary xylem cells
b.    large secondary xylem cells
c.    large primary xylem cells
d.    small secondary xylem cells
e.    both b and c are correct

32.  Which of the following is not part of the cortex?

a.    endodermis
b.    pericycle
c.    endodermis
d.    parenchymous cortex
e.    Two of the above are not found in the cortex.

33.  The procambium develops into the:

a.    vascualr bundle
b.    cortex
c.    pith
d.    epidermis
e.    apical meristem

34.    Which of the following responds positively to gravitropism?

a.     most flowers
b.     leaves
c.     stem tip
d.     root tip
e.     two of the above

35.    Cilia and flagella are organelles of locomotion. The contractile elements in both are:

a.     microfilaments
b.     microtubules
c.     intermediate filaments
d.     microelements
e.     none of these are correct.

36.    The region of active cell division in the root tip is the:

a.    intercalary meristem
b.    region of maturation
c.    region of elongation
d.    apical meristem
e.    root hair region

37    Which of the following is NOT a usual function of stems?

a.    support
b.    photosynthesis
c.    display of leaves
d.    storage
e.    conduction

38.    A leaf-like or scale-like structure at the base of a leaf:

a.    petiole
b.    stipule
c.    blade
d.    node
e.    lenticel

39.    The most primitive type of stele is the:

a.    protostele
b.    hypostele
c.    siphonostele
d.    eustele
e.    hyperstele

40.    Which of the following stem types has ring of vascular bundles near the outside of the stem?

       a.   woody dicot
       b.   conifer
       c.   herbaceous dicot
       d.   woody monocot
       e.   herbaceous monocot

41.    A central region of a dicot stem involved primarily with food storage and composed of parenchyma tissue:

       a.   cortex
       b.   xylem
       c.   phloem
       d.   vascular cambium
       e.   pith

TRUE/FALSE (42-50)

42.    The vascular cambium is only found in woody monocot roots.

43.    A tap root system usually has many branching roots with no noe dominant root.

44.    The Casparian strip is a waxy layer that assist in the movement of water from the cortex to the stele.

45.    Monocot roots have an inner core of xylem.

46.    A corm is a modified root primarily involved in food storage.

47.    Adventitious roots grow from stems or leaves but not roots.

48.    Annual rings result from variations in the growth rate of spring and summer xylem cells.

49.    Cork cambium is a non-living tissue at maturity.

50.    A rhizome is an underground stem primarily involved with propagation.