Question 1

Cyclosis is another name for the cell cycle.

Accepted Answer

A) True 
 B)False

Question 2

The watery fluid found in vacuoles is called

Accepted Answer

A)  chromatin. 
B)  stroma. 
C)  cristae. 
D)  protoplasm. 
E)  cell sap. 
A)  chromatin. 
B)  stroma. 
C)  cristae. 
D)  protoplasm. 
E)  cell sap.

Question 3

In plants such as ferns, conifers, and flowering plants, mitosis takes place mostly in

Accepted Answer

A)  meristems. 
B)  wood. 
C)  the center of stems. 
D)  the center of roots. 
E)  leaves. 
A)  meristems. 
B)  wood. 
C)  the center of stems. 
D)  the center of roots. 
E)  leaves.

Question 4

In which phase of the cell cycle does replication (duplication) of the DNA take place?

Accepted Answer

A)  interphase 
B)  prophase 
C)  metaphase 
D)  anaphase 
E)  telophase 
A)  interphase 
B)  prophase 
C)  metaphase 
D)  anaphase 
E)  telophase

Question 5

A plasma membrane consists primarily of carbohydrate molecules.

Accepted Answer

A) True 
 B)False

Question 6

Replication (duplication) of DNA takes place during the S period of interphase.

Accepted Answer

A) True 
 B)False

Question 7

If a cell has 6 chromosomes, how many chromatids are present during metaphase of mitosis?

Accepted Answer

A)  6 
B)  12 
C)  18 
D)  24 
E)  cannot be determined 
A)  6 
B)  12 
C)  18 
D)  24 
E)  cannot be determined

Question 8

The secondary cell wall forms ________.

Accepted Answer

A)  after the cell reaches mature size and shape 
B)  in some, but not all plant cells 
C)  forms between the cell membrane and the primary cell wall 
D)  from cellulose and lignin 
E)  All answer choices are correct. 
A)  after the cell reaches mature size and shape 
B)  in some, but not all plant cells 
C)  forms between the cell membrane and the primary cell wall 
D)  from cellulose and lignin 
E)  All answer choices are correct.

Question 9

Chromosomes shorten and thicken during this stage of the cell cycle.

Accepted Answer

A)  metaphase 
B)  anaphase 
C)  prophase 
D)  telophase 
E)  cytokinesis 
A)  metaphase 
B)  anaphase 
C)  prophase 
D)  telophase 
E)  cytokinesis

Question 10

The region of a chromosome to which a spindle fiber may be attached is called a chromatid.

Accepted Answer

A) True 
 B)False

Question 11

The cell wall functions ________.

Accepted Answer

A)  as support 
B)  as a barrier between plant and outside environment 
C)  as protection for fragile cells 
D)  to provide and maintain functional cell shape 
E)  All answer choices are correct. 
A)  as support 
B)  as a barrier between plant and outside environment 
C)  as protection for fragile cells 
D)  to provide and maintain functional cell shape 
E)  All answer choices are correct.

Question 12

Vacuoles function in regulating the movement of RNA out of the nucleus.

Accepted Answer

A) True 
 B)False

Question 13

In mitosis the two chromatids of each chromosome separate and move to opposite poles during

Accepted Answer

A)  prophase. 
B)  metaphase. 
C)  anaphase. 
D)  telophase. 
E)  interphase. 
A)  prophase. 
B)  metaphase. 
C)  anaphase. 
D)  telophase. 
E)  interphase.

Question 14

Who first saw boxlike compartments with a simple microscope and named them "cells"?

Accepted Answer

A)  Anton van Leeuwenhoek 
B)  Robert Hooke 
C)  Francis Crick 
D)  Charles Darwin 
E)  Gregor Mendel 
A)  Anton van Leeuwenhoek 
B)  Robert Hooke 
C)  Francis Crick 
D)  Charles Darwin 
E)  Gregor Mendel

Question 15

Material to be viewed with a transmission electron microscope must be nonliving.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following are common to nearly all plant and animal cells?

Accepted Answer

A)  plasmodesmata 
B)  cell wall 
C)  centrioles 
D)  plastids 
E)  cell membrane 
A)  plasmodesmata 
B)  cell wall 
C)  centrioles 
D)  plastids 
E)  cell membrane

Question 17

Cell structures that apparently function in controlling the addition of cellulose to the cell wall, in steering vesicles from Golgi bodies to the cell wall, and in aiding movement within the cell are

Accepted Answer

A)  thylakoids. 
B)  ribosomes. 
C)  mitochondria. 
D)  microtubules. 
E)  lysosomes. 
A)  thylakoids. 
B)  ribosomes. 
C)  mitochondria. 
D)  microtubules. 
E)  lysosomes.

Question 18

Which of the following does NOT occur during interphase?

Accepted Answer

A)  increase in size and accumulation of building blocks for DNA synthesis 
B)  duplication of organelles and accumulation of components needed for actual cell division 
C)  DNA replication 
D)  beginning of chromosome condensation 
E)  cytokinesis 
A)  increase in size and accumulation of building blocks for DNA synthesis 
B)  duplication of organelles and accumulation of components needed for actual cell division 
C)  DNA replication 
D)  beginning of chromosome condensation 
E)  cytokinesis

Question 19

Following chromosome duplication, the 2 chromatids are held together at the

Accepted Answer

A)  centrosome. 
B)  centromere. 
C)  telomere. 
D)  kinetochore. 
E)  centriole. 
A)  centrosome. 
B)  centromere. 
C)  telomere. 
D)  kinetochore. 
E)  centriole.

Question 20

The ________ initiates the formation of the new cell wall separating two daughter cells.

Accepted Answer

A)  cell plate 
B)  centriole 
C)  phragmoplast 
D)  dictyosome 
E)  endoplasmic reticulum 
A)  cell plate 
B)  centriole 
C)  phragmoplast 
D)  dictyosome 
E)  endoplasmic reticulum

Exam 3: Cells

Cyclosis is another name for the cell cycle.

The watery fluid found in vacuoles is called

In plants such as ferns, conifers, and flowering plants, mitosis takes place mostly in

In which phase of the cell cycle does replication (duplication) of the DNA take place?

A plasma membrane consists primarily of carbohydrate molecules.

Replication (duplication) of DNA takes place during the S period of interphase.

If a cell has 6 chromosomes, how many chromatids are present during metaphase of mitosis?

The secondary cell wall forms ________.

Chromosomes shorten and thicken during this stage of the cell cycle.

The region of a chromosome to which a spindle fiber may be attached is called a chromatid.

The cell wall functions ________.

Vacuoles function in regulating the movement of RNA out of the nucleus.

In mitosis the two chromatids of each chromosome separate and move to opposite poles during

Who first saw boxlike compartments with a simple microscope and named them "cells"?

Material to be viewed with a transmission electron microscope must be nonliving.

Which of the following are common to nearly all plant and animal cells?

Cell structures that apparently function in controlling the addition of cellulose to the cell wall, in steering vesicles from Golgi bodies to the cell wall, and in aiding movement within the cell are

Which of the following does NOT occur during interphase?

Following chromosome duplication, the 2 chromatids are held together at the

The ________ initiates the formation of the new cell wall separating two daughter cells.

What Is Plant Biology

The Nature of Life

Tissues

Roots and Soils

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Plant Metabolism

Growth

Meiosis and Alternation of Generation

Genetics

Plant Breeding and Propagation

Evolution

Plant Names and Classification

Domain Kingdom Bacteria, Domain Kingdom Archaea, and Viruses

Kingdom Protista

Kingdom Fungi

Introduction to the Plant Kingdom: Bryophytes

The Seedless Vascular Plants - Ferns and Their Relatives

Introduction to Seed Plants: Gymnosperms

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

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