Bio. 183 Spring 10
Name: Date:
Chapter 18 quiz
1.Programmed cell death is called
A.mitosis
B.cytokinesis
C.apoptosis
D.interphase
2.Apoptosis is critical for
A.cell division to occur correctly
B.removing cells which are dividing when they should not
C.spermatogenesis
D.DNA synthesis
3.A photograph of cellular chromosomes taken just prior to division and arranged in pairs is called:
A.micrograph
B.chromograph
C.karyotype
D.photochromograph
4.Chromosomes in a karyotype can be characterized by
A.size
B.shape
C.banding pattern
D.All of the choices are correct.
5.The normal cycle of events whereby a cell grows and divides is called:
A.the circle of life
B.the cell cycle
C.cytotropism
D.cytogenesis
6.The interval of time between cell divisions is called:
A.interphase
B.cytokinesis
C.cellular streaming
D.furrowing
7.The DNA replication within the cell occurs during:
A.interphase
B.mitosis
C.cytokinesis
D.none of these
8.The cell cycle consists of:
A.mitosis and meiosis
B.interphase, cytokinesis and mitosis
C.mitosis and cell death
D.meiosis and cell death
9.Interphase:
A.is truly a resting stage
B.is a time of DNA replication
C.has cellular activity before DNA replication
D.is a time of DNA replication and cellular activity before DNA replication
10.Cells that are about to divide contain:
A.3n chromosomes
B.1n chromosomes
C.two nuclei
D.duplicated chromosomes
11.The stage of interphase in which proteins are produced which are needed for cell division is:
A.G1 stage
B.S stage
C.duplication stage
D.G2 stage
12.In a non-dividing cell, the nucleus contains indistinct and diffuse chromatin, but in a dividing cell, these become short and thick and are called:
A.genes
B.DNA
C.chromosomes
D.chromatin
E.chromogen
13.The type of cellular nuclear division that produces two daughter cells with the same number and kind of chromosomes is called:
A.mitosis
B.meiosis
C.apoptosis
D.None of the choices are correct.
14.The division of the cellular cytoplasm and organelles is called:
A.interphase
B.cytokinesis
C.cellular streaming
D.furrowing
15.Chromatids within a replicated chromosome are held together by a:
A.centriole
B.centromere
C.chromocenter
D.spindle fiber
16.Mitosis is characterized by four stages. Place these in chronological order:
A.anaphase, prophase, telophase, metaphase
B.prophase, telophase, metaphase, anaphase
C.prophase, metaphase, anaphase, telophase
D.telophase, metaphase, anaphase, prophase
17.Which of the following events occurs during anaphase?
A.cytokinesis begins
B.chromosomes line up at the equator
C.chromosomes condense and become visible
D.DNA replication
E.None of the choices occur during anaphase.
18.The stage of mitosis where the nuclear membrane disintegrates and cell division is about to occur is:
A.prophase
B.metaphase
C.anaphase
D.telophase
19.The structures that begin to attach to centromeres as the chromosomes continue to shorten and thicken during prophase are:
A.asters
B.chromatin
C.centromeres
D.spindle fibers
20.In mitosis, once separated, individual chromatids are called:
A.centromeres
B.centrioles
C.chromosomes
D.autosomes
E.gametes
21.Mitosis is NOT associated with:
A.a body cell
B.tissue repair
C.the zygote
D.sperm and egg production
22.Asters are:
A.in the mitochondria
B.in lysosomes
C.arrays of short microtubules that radiate from the poles
D.attached to ribosomes
23.When centromeres uniting the chromatids split, the stage of mitosis is:
A.interphase
B.prophase
C.metaphase
D.anaphase
E.telophase
24.Two daughter nuclei are formed from each parent cell during:
A.interphase
B.prophase
C.metaphase
D.anaphase
E.telophase
25.Spindle fibers first appear during:
A.interphase
B.prophase
C.metaphase
D.anaphase
E.telophase
26.In which stage are the chromosomes lined up on the equator during mitosis?
A.interphase
B.prophase
C.metaphase
D.anaphase
E.telophase
27.In mitosis, daughter chromosomes are widely separated, having moved two-thirds the distance from the equatorial plate during:
A.interphase
B.prophase
C.metaphase
D.anaphase
E.telophase
28.During which phase of mitosis does the nuclear membrane disappear and the chromosomes become distinct?
A.interphase
B.prophase
C.metaphase
D.anaphase
E.telophase
29.In this phase, chromosomes arrive at the poles and an indentation passes around the circumference of the cell:
A.interphase
B.prophase
C.metaphase
D.anaphase
E.telophase
30.The indentation, or pinching in of the cell membrane, around the circumference of the cell during the end of mitosis is called the:
A.aster
B.centromere
C.centriole
D.cleavage furrow
E.synapsis
31.The cellular process that requires two nuclear divisions, resulting in four daughter cells with half of the parent chromosomal number is:
A.mitosis
B.meiosis
C.apoptosis
D.synapsis
32.Pairs of similar chromosomes are called:
A.tetrads
B.homologous
C.bifurcates
D.replicants
33.In meiosis, the process of homologous chromosomes lining up together side-by-side is called:
A.tetrad
B.synapsis
C.alignment
D.crossing-over
34.The exchange of genetic material between chromatids is called:
A.tetrad
B.synapsis
C.crossing-over
D.transformation
E.transduction
35.In meiosis which of the following ensures that offspring have variable combinations of genes?
A.crossing-over
B.gamete assortment
C.recombination at fertilization
D.All of the choices are correct.
36.Tetrads line up at the equator in which phase of meiosis:
A.metaphase I
B.anaphase I
C.telophase I
37.Homologous chromosomes separate during which phase of meiosis:
A.metaphase I
B.anaphase I
C.telophase I
38.Nucleoli appear during which of the below:
A.metaphase I
B.anaphase I
C.telophase I
39.Cells are first haploid during:
A.metaphase I
B.anaphase II
C.telophase I
D.metaphase II
40.The cells resulting from meiotic division are called:
A.parent cells
B.daughter cells
C.autosomic cells
D.dyad pairs
E.homozygous cells
41.In the beginning of meiosis II, each chromosome is duplicated and attached. These chromosomes are called:
A.homologous chromosomes
B.tetrads
C.autosomic chromosomes
D.sister chromatids
E.sister chromosomes
42.In prophase of meiosis I, homologous chromosomes form groupings called:
A.dyads
B.tetrads
C.synapsis
D.di-kinases
E.di-hybrid crosses
43.Daughter nuclei form from each parent cell during:
A.telophase I and telophase II
B.only telophase I
C.only telophase II
D.neither telophase I nor telophase II
44.Tetrads are found during:
A.metaphase I and metaphase II
B.only metaphase I
C.only metaphase II
D.neither metaphase I nor metaphase II
45.In which stage are duplicated chromosomes singly lined up during meiosis?
A.metaphase I and metaphase II
B.only metaphase I
C.only metaphase II
D.neither metaphase I nor metaphase II
46.Duplicated chromosomes are moving toward the poles during:
A.anaphase I and anaphase II
B.only anaphase I
C.only anaphase II
D.neither anaphase I nor anaphase II
47.During which stage of meiosis does crossing-over occur?
A.prophase I
B.anaphase I
C.telophase I
D.prophase II
E.anaphase II
48.A photograph of cellular chromosomes taken just prior to division and arranged in pairs is called:
A.micrograph
B.chromograph
C.karyotype
D.photochromograph
49.Meiosis can also be called:
A.diploid division
B.reduction division
C.Barr body division
D.duplication division
50.Meiosis differs from mitosis in that:
A.it occurs only in the formation of gametes
B.the chromosomes are duplicated twice
C.the resulting cells are diploid
D.the chromosome pairs do not separate