Biology Chapter 10 PRETEST (Updated 2010 Mrk)

Biology Chapter 10 PRETEST (updated 2010 mrk)

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____1.As a cell becomes larger, its

a. / volume increases faster than its surface area.
b. / surface area increases faster than its volume.
c. / volume increases, but its surface area stays the same.
d. / surface area stays the same, but its volume increases.

____2.All of the following are problems that growth causes for cells EXCEPT

a. / more demands on DNA.
b. / excess oxygen.
c. / obtaining enough food.
d. / expelling wastes.

____3.The process by which a cell divides into two daughter cells is called

a. / cell division.
b. / metaphase.
c. / interphase.
d. / mitosis.

Figure 10–1

____4.Which advantage of having the a cell’s DNA bundled into separate chromosomes is illustrated in Figure 10–1 above?

a. / During DNA replication, the number of chromosomes is cut in half.
b. / During DNA replication, the number of chromosomes stays the same.
c. / During cell division, each daughter cell will get the same number of genes.
d. / During cell division, each daughter cell will get a random number of genes.

____5.When during the cell cycle are chromosomes visible?

a. / only during interphase
b. / only when they are being replicated
c. / only during cell division
d. / only during the G1 phase

____6.During which phase in the cell cycle does mitosis happen?

a. / G1 phase
b. / G2 phase
c. / M phase
d. / S phase

____7.When during the cell cycle is a cell’s DNA replicated?

a. / G1 phase
b. / G2 phase
c. / S phase
d. / M phase

____8.Which of the following is a correct statement about the events of the cell cycle?

a. / Little happens during the G1 and G2 phases.
b. / DNA replicates during cytokinesis.
c. / The M phase is usually the longest phase.
d. / Interphase consists of the G1, S, and G2 phases.

Animal Cell

Figure 10–4

____9.In Figure 10–4, what role does structure A play in mitosis?

a. / replicate DNA
b. / increase cell volume
c. / connect to spindle fibers
d. / dissolve nuclear envelope

Figure 10–5

____10.The structure labeled A in Figure 10–5 is called the

a. / centromere.
b. / centriole.
c. / sister chromatid.
d. / spindle.

____11.The structures labeled B in Figure 10–5 are called

a. / centromeres.
b. / centrioles.
c. / sister chromatids.
d. / spindles.

____12.The first phase of mitosis is called

a. / prophase.
b. / anaphase.
c. / metaphase.
d. / interphase.

____13.During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?

a. / prophase
b. / telophase
c. / metaphase
d. / anaphase

____14.Which of the following represents the phases of mitosis in their proper sequence?

a. / prophase, metaphase, anaphase, telophase
b. / interphase, prophase, metaphase, anaphase, telophase
c. / interphase, prophase, metaphase, telophase
d. / prophase, anaphase, metaphase, telophase

____15.What is the role of the spindle fibers during mitosis?

a. / They help separate the chromosomes.
b. / They break down the nuclear membrane.
c. / They duplicate the DNA.
d. / They make the chromosomes visible.

____16.The two main stages of cell division are called

a. / mitosis and interphase.
b. / synthesis and cytokinesis.
c. / the M phase and the S phase.
d. / mitosis and cytokinesis.

____17.During normal mitotic cell division, a parent cell that has four chromosomes will produce two daughter cells, each containing

a. / two chromosomes.
b. / four chromosomes.
c. / eight chromosomes.
d. / sixteen chromosomes.

Figure 10–6

____18.Some cells form a cell plate during cytokinesis. Which of the following is true of the cells in Figure 10–6 above?

a. / Both cells form cell plates during cytokinesis.
b. / Neither cell forms a cell plate during cytokinesis.
c. / Only cell A forms a cell plate during cytokinesis.
d. / Only cell B forms a cell plate during cytokinesis.

____19.Which of the following explains why normal cells grown in a petri dish tend to stop growing once they have covered the bottom of the dish?

a. / The cells lack cyclin.
b. / The petri dish inhibits cell growth.
c. / Contact with other cells stops cell growth.
d. / Most cells grown in petri dishes have a defective p53.

____20.In eukaryotic cells, the timing of the cell cycle is regulated by

a. / centrioles.
b. / cyclins.
c. / spindle fibers.
d. / the nuclear envelope.

____21.Cancer is a disorder in which some cells have lost the ability to control their

a. / size.
b. / spindle fibers.
c. / growth rate.
d. / surface area.

____22.Cancer cells form masses of cells called

a. / tumors.
b. / cyclins.
c. / growth factors.
d. / p53.

____23.A cell with a defective p53 gene is likely to

a. / stop responding to growth regulators.
b. / stop dividing to produce daughter cells.
c. / generate hormones that combat tumors.
d. / produce cells without a defective p53 gene.

____24.During early development, all cells in the embryo of a multicellular organism are identical. Later on in development, the cells will become specialized through a process called

a. / apoptosis.
b. / cytokinesis.
c. / differentiation.
d. / interphase.

____25.Why are stem cells important?

a. / They have specialized DNA.
b. / They are incapable of becoming cancer cells.
c. / They have the potential to undergo cell division.
d. / They have the potential to develop into other cell types.

Biology Chapter 10 PRETEST (updated 2010 mrk)

Answer Section

MULTIPLE CHOICE

1.ANS:APTS:1DIF:L2REF:p. 275

OBJ:10.1.1 Explain the problems that growth causes for cells.TOP:Foundation Edition

BLM:comprehension

2.ANS:BPTS:1DIF:L2REF:p. 274 | p. 276

OBJ:10.1.1 Explain the problems that growth causes for cells.BLM:comprehension

3.ANS:APTS:1DIF:L1REF:p. 276

OBJ:10.1.2 Compare asexual and sexual reproduction.TOP:Foundation Edition

BLM:knowledge

4.ANS:CPTS:1DIF:L3REF:p. 280 | p. 281

OBJ:10.2.1 Describe the role of chromosomes in cell division.

BLM:synthesis

5.ANS:CPTS:1DIF:L2REF:p. 282

OBJ:10.2.2 Name the main events of the cell cycle.TOP:Foundation Edition

BLM:analysis

6.ANS:CPTS:1DIF:L1REF:p. 282

OBJ:10.2.2 Name the main events of the cell cycle.TOP:Foundation Edition

BLM:knowledge

7.ANS:CPTS:1DIF:L1REF:p. 281

OBJ:10.2.2 Name the main events of the cell cycle.TOP:Foundation Edition

BLM:knowledge

8.ANS:DPTS:1DIF:L2REF:p. 281

OBJ:10.2.2 Name the main events of the cell cycle.TOP:Foundation Edition

BLM:analysis

9.ANS:CPTS:1DIF:L2REF:p. 282