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Bio 103 Lab Final

Total questions: 68

Worksheet time: 50mins

Name
Class
Date
1.

Which enzyme is found in the cells of many living things and helps breakdown hydrogen peroxide?

a)
peroxidase
b)
lipase
c)
catalase
d)
amylase
2.

What does the enzyme catalase do?

a)
The enzyme catalase breaks down water and oxygen into hydrogen peroxide.
b)
The enzyme catalase converts water and oxygen into hydrogen peroxide.
c)

Catalase is not a real enzyme.

d)
The enzyme catalase breaks down hydrogen peroxide into water and oxygen.
3.

At what temperature is catalase denatured in the experiment?

a)
40 degrees Celsius
b)
80 degrees Celsius
c)
100 degrees Celsius
d)
60 degrees Celsius
4.

At what temperature is catalase optimized in the experiment?

a)
25 degrees Celsius
b)
50 degrees Celsius
c)
10 degrees Celsius
d)
37 degrees Celsius
5.

At what pH was catalase denatured in the lab?

a)

pH 7

b)
pH 10
c)
pH 5
d)
pH 2
6.

At which pH was catalase optimized in the lab?

a)

pH 5

b)

pH 7

c)

pH 10

d)

pH 4

7.

The process of plant pigment separation is known as _________.

a)
germination
b)
respiration
c)
chromatography
d)
photosynthesis
8.

What are the pigment-filled discs in chloroplasts called?

a)
grana
b)
thylakoids
c)
stomata
d)
chlorophyll
9.

Thylakoids are stacked into ____.

a)
grana
b)
nucleus
c)
mitochondria
d)
chloroplasts
10.

What is the fluid-filled space in chloroplasts called?

a)
thylakoid
b)
vacuole
c)
stroma
d)
cytoplasm
11.

What are the openings on the surface of leaves called?

a)
cracks
b)
holes
c)
pores
d)
stomata
12.

What regulates the opening and closing of a leaf's stomata?

a)
chlorophyll
b)
xylem
c)
guard cells
d)
phloem
13.

What is the upper layer of the inside of a leaf called?

a)

Stroma

b)

Palisade mesophyll

c)

Stomata

d)

Spongy mesophyll.

14.

What is the lower layer of the inside of a leaf called?

a)

Stroma

b)

Palisade mesophyll

c)

Stomata

d)

Spongy mesophyll.

15.

What is the layer of protective wax on the upper surface of a leaf called.

a)
cuticle
b)
chlorophyll
c)
stomata
d)
epidermis
16.

Pigments are responsible for absorbing ______ for plants.

a)
water
b)
nutrients
c)

sunlight

d)
carbon dioxide
17.

What color does chlorophyll a reflect?

a)
red
b)

Green-yellow

c)

Blue-green

d)
yellow
18.

What color does chlorophyll b reflect?

a)

Green

b)

Violet

c)

Red

d)

Blue

19.

What color does xanthophyll reflect?

a)
green
b)
blue
c)
yellow
d)
red
20.

What color does carotene reflect?

a)
orange
b)
red
c)
blue
d)
green
21.

During the paper chromatography experiment, why do some pigments in the leaf move up the paper faster than others?

a)

There is no reason, it is completely random.

b)

The pigments do not have equal solubility in the solvent.

c)

Some pigments have better light fast than others.

d)

The pigments have equal solubility in the solvent.

22.

Why do the chlorophylls stay near the bottom of the paper in the paper chromatography experiment?

a)

Chlorophylls are heavier than the other pigments and so stay at the bottom.

b)
Chlorophylls are more attracted to the solvent than to the paper.
c)
Chlorophylls are more attracted to the paper than to the solvent.
d)
Chlorophylls are repelled by the paper and are forced to stay at the bottom.
23.

Order how the pigments in leafs "fall out" of the solvent in the paper chromatography test from top to bottom.

a)

Carotenes

1.

One

b)

Xanthophylls

2.

Two

c)

Chlorophyll a

3.

Three

d)

Chlorophyll b

4.

Four

24.

Does fermentation/ anaerobic respiration use oxygen?

a)

No

b)

Yes

25.

What are the single-celled fungi that commonly undergo fermentation?

a)

Mushrooms

b)

Yeast

c)

Bacteria

d)

Viruses

26.

What device is used in the respiration experiment?

a)

A Chromatograph.

b)

A graduated cylinder.

c)

A respirometer.

d)

A gas meter.

27.

During the respiration experiment, what is placed into the respirometer?

a)

Yeast

b)

Yeast and sugar

c)

Sugar

d)

Chlorophyll

28.

How is carbon dioxide measured in the respiration experiment?

a)

The volume of the yeast in the graduated tube decreases.

b)

The carbon dioxide released from the yeast creates a gas bubble in the graduated tube.

c)

The carbon dioxide causes the graduated tube to rise by a certain amount.

d)

The carbon dioxide released reacts with the sugars, causing the overall volume in the graduated tube to decrease.

29.

What is a respirometer?

a)

A small test tube placed in a large test tube used to measure carbon dioxide.

b)

A large test tube used to measure carbon dioxide.

c)

A small test tube inverted inside of a large test tube used to measure carbon dioxide.

d)

A small, inverted test tube used to measure carbon dioxide emissions.

30.

What sugars are used in the respiration experiment?

a)

Maltose

b)

Sucrose

c)

Glucose

d)

Fructose

31.

Which of these sugars are primarily used by yeast?

a)

Maltose

b)

Sucrose

c)

Glucose

d)

Fructose

32.

Which of these sugars produce the largest amount of carbon dioxide in the respiration experiment?

a)

Maltose

b)

Sucrose

c)

Glucose

d)

Fructose

33.

What is the FIRST stage of mitosis?

a)

Anaphase

b)

Metaphase

c)

Interphase

d)

Prophase

34.

What is the SECOND phase of mitosis?

a)

Prophase

b)

Metaphase

c)

Interphase

d)

Anaphase

35.

What is the THIRD stage of mitosis?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

36.

What is the FOURTH stage of mitosis?

a)

Interphase

b)

Telophase

c)

Metaphase

d)

Anaphase

37.

What is the FINAL stage of mitosis?

a)

Anaphase

b)

Telophase

c)

Metaphase

d)

Prophase

38.

What is the name for the division of a cell’s cytoplasm?

a)

Mitosis

b)

Cytokinesis

c)

Meiosis

d)

Cell division

39.

What stage of mitosis is the center cell in?

a)

Interphase

b)

Metaphase

c)

Anaphase

d)

Telophase

40.

What stage of mitosis is the center cell in?

a)

Metaphase

b)

Prophase

c)

Anaphase

d)

Telophase

41.

What stage of mitosis is this cell in?

a)

Metaphase

b)

Interphase

c)

Anaphase

d)

Telophase

42.

What stage of mitosis is this cell in?

a)

Metaphase

b)

Prophase

c)

Anaphase

d)

Telophase

43.

What phase of mitosis is shown here?

a)

Telophase

b)

Anaphase

c)

Prophase

d)

Interphase

44.

What are the starburst structures shown in the middle cell?

a)

New nuclei

b)

Spindle fibers and centrioles

c)

Asters

d)

Chromosomes

45.

What is the structure forming at the middle of this cell?

a)

The cleavage furrow

b)

The cell plate

c)

The equatorial line

d)

The metaphase plate

46.

What is the faint structure forming on the middle of this cell?

a)

The cleavage furrow

b)

The cell plate

c)

The equatorial line

d)

The metaphase plate

47.

What does the cell plate become at the end of telophase?

a)

The cleavage furrow

b)

The cell wall

c)

The cell membrane

d)

The equatorial line

48.

What is the name of the imaginary line down the center of the cell?

a)

The equatorial line

b)

The cleavage furrow

c)

The metaphase plate

d)

The cell plate

49.

What are the “strings” attached to the chromosomes called?

a)

Spindle fibers

b)

Chromatids

c)

Centrioles

d)

Cytoskeleton

50.

What is the name of the largest and most inclusive taxon?

a)

Kingdom

b)

Domain

c)

Phylum

d)

Class

51.

What is the second level of taxon?

a)

Kingdom

b)

Domain

c)

Phylum

d)

Class

52.

What is the third level of taxon?

a)

Phylum

b)

Kingdom

c)

Domain

d)

Class

53.

What is the fourth level of taxon?

a)

Class

b)

Phylum

c)

Order

d)

Genus

54.

What is the fifth level of taxon?

a)

Order

b)

Class

c)

Genus

d)

Family

55.

What is the sixth level of taxon?

a)

Family

b)

Order

c)

Class

d)

Genus

56.

What is the seventh level of taxon?

a)

Genus

b)

Species

c)

Family

d)

Order

57.

What is the final level of taxon?

a)

Species

b)

Genus

c)

Family

d)

Order

58.

What is a dichotomous key?

a)

The means for a taxonomist to identity a specimen to a particular taxonomic level.

b)

A physical key used by taxonomists to access information about a species.

c)

An old practice used to classify species into genera.

d)

A tool used by taxonomists to only define which phylum an animal belongs to.

59.

What is the scientific name for this leaf?

a)

Pinus virginiana

b)

Pinus palusris

c)

Pinus taeda

d)

Pinus echinata

60.

What is the scientific name for this leaf?

a)

Juglans nigra

b)

Carya ovata

c)

Fagus grandifolia

d)

Acer rubrum

61.

What is the scientific name for this leaf?

a)

Fagus grandifolia

b)

Acer rubrum

c)

Magnolia grandiflora

d)

Cornus florida

62.

What phylum is this squid a member of?

a)

Mollusca

b)

Annelida

c)

Echinodermata

d)

Arthropoda

63.

What class is this squid a member of?

a)

Cephalopoda

b)

Hirudinea

c)

Polychaeta

d)

Gastropoda

64.

What phylum is this clam a member of?

a)

Mollusca

b)

Annelida

c)

Echinodermata

d)

Arthopoda

65.

What class is this clam a member of?

a)

Bivalvia

b)

Polyplacophora

c)

Gastropoda

d)

Cephalopoda

66.

What phylum is this crayfish a member of?

a)

Arthropoda

b)

Mollusca

c)

Echinodermata

d)

Annelida

67.

What class is this crayfish a member of?

a)

Crustacea

b)

Insecta

c)

Echinoidea

d)

Asteroidea

68.

What phylum is this sea star a member of?

a)

Echinodermata

b)

Annelida

c)

Arthropoda

d)

Mollusca

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