Deck 2: The Plant Cell

Question 1

A plant plasma membrane is made up of __________ and __________.

A)cellulose ... lignin
B)phospholipids ... carbohydrates
C)phospholipids ... proteins
D)cellulose ... cholesterol
E)phospholipids ... cholesterol

Answer 1

C

Question 2

The "cement" that glues plant cells together is

A)cytosol.
B)lignin.
C)cellulose.
D)the cytoskeleton.
E)pectin.

Answer 2

E

Question 3

microtubules and microfilaments compose the structure of the

A)cell wall.
B)plasmodesmata.
C)plasma membrane.
D)middle lamella.
E)cytoskeleton.

Answer 3

E

Question 4

The free movement of water across a membrane is called

A)active transport.
B)simple diffusion.
C)plasmolysis.
D)osmosis.

Question 5

Who among the following was not directly involved in the development of the Cell Theory?

A)Hooke
B)Schleiden
C)Schwann
D)Virchow
E)All of these men were involved in the development of the Cell Theory

Question 6

Plant cell A is hypertonic to plant cell

A)From A to B
B)From B to A
B)Which way will water flow?
C)Equally from B to A and A to B
D)There will be no flow of water whatsoever

Question 7

Movement of materials from one plant cell to another is accomplished through

A)the cytosol.
B)the middle lamella.
C)microtubules.
D)plasmodesmata.
E)the cytoskeleton.

Question 8

Which of the following pigments is most abundant in chloroplasts?

A)carotene
B)xanthophyll
C)melanin
D)chlorophyll

Question 9

If you could travel from the inside of one plant cell into an adjacent plant cell,in what order would you find the following plant cell structures?

A)cytoplasm,plasma membrane,cell wall,middle lamella
B)plasma membrane,cytoplasm,middle lamella,cell wall
C)cytoplasm,plasma membrane,middle lamella,cell wall
D)cytoplasm,middle lamella,plasma membrane,cell wall

Question 10

When a plant cell is placed in a hypotonic solution,the cell becomes

A)hypertonic.
B)plasmolyzed.
C)turgid.
D)osmotic.

Question 11

Plant pigments are specifically located within

A)thylakoid membranes.
B)stroma.
C)plasma membranes.
D)nuclei.

Question 12

Which of the following terms is most closely associated with grana?

A)leucoplasts
B)stroma
C)thylakoids
D)vacuoles
E)plastids

Question 13

The Cell Theory is

A)an educated guess.
B)a hypothesis that is in need of testing.
C)a speculative idea.
D)untested but quite probable.
E)an explanation accepted as a major principle of biology.

Question 14

Which of the following is not a statement of the Cell Theory?

A)all cells arise from preexisting cells
B)all cells contain the hereditary material,DNA
C)all organisms are made up of cells
D)the cell is the basic unit of life
E)All of these are statements of the Cell Theory

Question 15

All of the following statements are true about lignin except one.Choose the exception.

A)Lignin is indigestible by all living organisms.
B)Lignin is more abundant in hardwood species of trees than softwood species.
C)Lignin protects the plant from pathogens.
D)Lignin is found in secondary cell walls.
E)Lignin is not found in primary cell walls.

Question 16

In drought conditions when soils are dry for long periods of time,plants cells become

A)hypertonic.
B)plasmolyzed.
C)turgid.
D)osmotic

Question 17

The biological term,"cell" came about through the study of ___________ cells.

A)tomato
B)wood
C)bone
D)cork
E)blood

Question 18

________ is (are)necessary for diffusion to take place.

A)A cell membrane
B)Membrane proteins
C)Energy
D)A concentration gradient
E)More than one of these

Question 19

The primary cell wall of a plant

A)consists of cellulose and lignin.
B)forms inside of the secondary cell wall.
C)consists primarily of cellulose.
D)gives wood its characteristic hardness.
E)is described by more than one of these characteristics.

Question 20

Of these three items - concentration gradient,energy,membrane proteins - which two are needed for active transport to take place?

A)only a concentration gradient
B)all three are needed for active transport to take place
C)a concentration gradient and energy
D)a concentration gradient and membrane proteins
E)energy and membrane proteins

Question 21

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

Question 22

The storage,modification,and packaging of proteins is accomplished by the

A)endoplasmic reticulA.
B)mitochondria.
C)proteasomes.
D)Golgi apparatus.
E)central vacuolE.

Question 23

Carotenoids are found in

A)leucoplasts.
B)amyloplasts.
C)chloroplasts.
D)chromoplasts.
E)more than one of thesE.

Question 24

Bacterial endosymbionts of sap-sucking insects provide needed ______ to their hosts.

A)DNA
B)sugars
C)amino acids
D)fats
E)oils

Question 25

What features in common with bacteria led scientists to conclude that chloroplasts and mitochondria evolved from bacteria?

A)Their DNA is bacteria-like.
B)Their ribosomes are bacteria-like.
C)Cell division in both is like bacteria cell division.
D)Their inner membranes are bacteria-like.
E)Chloroplasts and mitochondria share all of these bacteria-like features.

Question 26

The phragmoplast eventually becomes the

A)nucleus.
B)cell wall.
C)plasma membrane.
D)middle lamella.
E)plasmodesmata.

Question 27

Most specifically,ribosomes are produced in the

A)chloroplasts.
B)nucleus.
C)nucleoli.
D)central vacuole.
E)rough endoplasmic reticula.

Question 28

Which phase of cell division is most like the opposite of prophase?

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

Question 29

Ribosomes are the sites of the synthesis of

A)proteins.
B)lipids.
C)carbohydrates.
D)nucleic acids.

Question 30

The plastic ends of shoelaces that help prevent the shoelace from unraveling is called an aglet.What is the equivalent structure to an aglet on a chromosome?

A)centromere
B)chromatid
C)chromatin
D)nucleotide
E)telomere

Question 31

Anthocyanin is found in which organelles?

A)central vacuoles
B)chromoplasts
C)chloroplasts
D)leucoplasts
E)endoplasmic reticula

Question 32

Which of the following animals produces carotenoids?

A)pea aphids
B)flamingos
C)chickens
D)none of these - carotenoids are only produced by plants

Question 33

In which phase of mitosis do chromatids separate?

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

Question 34

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

Question 35

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

Question 36

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

Question 37

Phragmoplasts are most closely associated with

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

Question 38

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

Question 39

Regulating metabolism and controlling cellular reproduction by destruction of proteins is accomplished by

A)peroxisomes
B)proteasomes
C)glyoxysomes
D)chromosomes

Question 40

The mitochondrial equivalent to grana is (are)

A)the matrix.
B)cristae.
C)stroma.
D)plasma membranes

Question 41

The cell is the basic unit of life.

Question 42

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

Question 43

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