Building large manufacturing facilities can affect ecosystems by increasing the

demand for resources such as fossil fuels

Which statement is correct, based on the information in the diagram?

Lake trout and salmon compete for sculpins.

This single-celled organism is maintaining homeostasis by

eliminating molecules of compound B

The human reproductive cycle is regulated by

hormones of the endocrine system

What is the correct definition for active diffusion?

Movement of molecules from a high conc. to a low conc., no ATP needed

What is the correct definition for active transport?

Movement of molecules from a low conc. to a high conc., ATP is needed

Which statement best describes the carrying capacity in an ecosystem?

It is limited by the habitats available energy and nutrients

The fact that the sex of the turtle is controlled by the temperature of the nest is an example of

environment modifying gene expression

The differing rates of migration of DNA fragments in a gel electrophoresis procedure is mainly due to

the size of the DNA fragments produced

Which action could humans take to slow the rate of global warming?

Use alternate sources of energy such as wind.

This diagram best represents

The flow of materials in a forest community

Which sequence correctly identifies the flow of energy in an ecosystem?

producer → consumer → decomposer

Which statement regarding these methods of reproduction is correct?

They are both forms of asexual reproduction.

An example of a population in which evolution could take place in a relatively short period of time could be

pathogenic bacteria exposed to antibiotics

studbud

Biology Quiz Challenge

156 termsStudBud Administration22 plays

Test your knowledge on various biological concepts including photosynthesis, DNA, cellular respiration, and more in this engaging quiz.

Flashcards156 cardsFPractice quizPHost liveL

Questions 156

Answers

1
The original source of energy for all ecosystem
Producers
Sunlight
Carnivores
2
What is the name of structure E?
Ovaries
Fallopian tubes
Vas deferens
Testes
3
Protein synthesis is accomplished primarily by which two organelles?
Nucleus and mitochondria
Nucleus and ribosomes
Ribosomes and vacuoles
Vacuoles and mitochondria
4
The ability of an organism to maintain internal stability is known as
Circulation
Metabolism
Excretion
Homeostasis
5
The insertion of a wheat gene into a rice gene is called
Cloning
Sexual reproduction
Asexual reproduction
Genetic engineering
6
Humans can be exposed to a harmful single-celled protozoan, whose host is a domestic cat. The protozoan is a
Predator
Scavenger
Producer
Parasite
7
Building large manufacturing facilities can affect ecosystems by increasing the
demand for resources such as fossil fuels
availability of space and resources fororganisms
atmospheric quality
biodiversity in the area
8
The dependent variable is the variable that you
Don't use
Control
Measure
Keep constant
9
What are the reactants (goes into) for cellular respiration?
Carbon dioxide and glucose
Oxygen and glucose
Oxygen and water
Carbon dioxide and water
10
What is the function of structure D?
Where the fetus develops
Where cellular respiration occurs
Where eggs are developed
Where fertilization occurs
11
Which number indicates the most recent common ancestor of the hyrax, elephant, and manatee?
4
2
3
1
12
What is the function of structure A?
Where fertilization occurs
Where the fetus develops
To make estrogen and progesterone
To make eggs
13
What is the name of structure F?
Testes
Penis
Fallopian tubes
Vas deferens
14
The number of organisms that an area of land can sustain over a long period of time is known as
evolutionary change
ecological succession
finite resources
carrying capacity
15
Which statement is correct, based on the information in the diagram?
Cormorants and sea lampreys compete for bacteria.
Plankton decompose salmon and sculpins.
Salmon are predators of sea lampreys.
Lake trout and salmon compete for sculpins.
16
What is this process called?
Diffusion
Cloning
Gel electrophoresis
Paper chromatography
17
Two kittens in a litter are genetically different from each other and their parents most likely due to
Evolution
Cloning
Asexual reproduction
Sexual reproduction
18
This single-celled organism is maintaining homeostasis by
using sunlight to increase the number of food molecules that it takes in
eliminating molecules of compound B
limiting the number of the molecules of A that it excretes
excreting molecules of compound C
19
when does photosynthesis occur in plants?
all the time
only when light is available
never
20
In single celled organisms, materials are primarily stored in
vacuoles
nucleus
cell membrane
mitochondria
21
The human reproductive cycle is regulated by
white blood cells of the circulatory system
muscle cells of the skeletal system
hormones of the endocrine system
enzymes of the digestive system
22
What is the correct definition for active diffusion?
Movement of molecules from a high conc. to a low conc., no ATP needed
Movement of molecules from a low conc. to a high conc., ATP is not needed
Movement of molecules from a low conc. to a high conc., ATP is needed
Movement of molecules from a high conc. to a low conc., ATP is needed
23
A variety of species of Galapagos finches evolved from one original species long ago through the process of
selective breeding
ecological succession
natural selection
asexual reproduction
24
Species J is most closely related to species
K
N
H
C
25
Examples of two abiotic factors in an ecosystem are
Fungi and bacteria
Nitrogen and water
Plants and animals
Fungi and viruses
26
The large tree finch eat
All animal food
Mainly animal food
Mainly plant food
27
What is the purpose of structure E?
To make sperm and testosterone
To make sperm and progesterone
To make testosterone
To make sperm
28
What is the correct definition for active transport?
Movement of molecules from a high conc. to a low conc., ATP is not needed
Movement of molecules from a high conc. to a low conc., ATP is needed
Movement of molecules from a low conc. to a high conc., ATP is not needed
Movement of molecules from a low conc. to a high conc., ATP is needed
29
A sample of DNA has 32% thymine (T) bases. Approximately what percentage of the bases in this sample will be A
18
24
32
16
30
The two labeled structures that function to produce gametes and hormones are
B and E
B and Z
B and D
G and F
31
Which statement best describes the carrying capacity in an ecosystem?
It allows organisms to produce populations of unlimited size
It is limited by the habitats available energy and nutrients
It is determined by an organisms reproductive success
It can be illustrated with a food web
32
What is the function of structure C?
Birth canal
Where eggs are made
Where the fetus develops
Where fertilization occurs
33
The bets type of evidence to use when comparing different plant species to see if they are closely related is
type of leaf structure
gene sequence
color flower petal
kind of pollen grains
34
This sequence of changes is the result of
Environmental trade-offs
Decreased biodiversity
Ecological succession
Biological evolution
35
To compare the plant pigments from species A versus species B, a scientist should use
receptor molecules
paper chromatography
genetic engineering
restriction enzymes
36
The fact that the sex of the turtle is controlled by the temperature of the nest is an example of
natural selection causing a new species to form
a predator-prey interaction
environment modifying gene expression
habitat destruction destroying biodiversity
37
Which process removes carbon dioxide from the air rather than adding to it?
Cellular respiration
Deforestation
Photosynthesis
Combustion of gasoline
38
The differing rates of migration of DNA fragments in a gel electrophoresis procedure is mainly due to
the size of the wells of the gel
the volume of the DNA sample used
the size of the DNA fragments produced
the number of DNA fragments in the gel
39
The sequence of amino acids that makes up a protein molecule is determined by the sequence of
Glucose in DNA
Bases in DNA
Ribosomes in the cytoplasm
Chloroplasts in the vacuoles
40
Which correctly lists the autotrophs?
Gray wolves, voles, coyotes, elk
Grass, grain, fruits
Gray wolves
Voles, coyotes, elk
41
Which action could humans take to slow the rate of global warming?
Cut down trees for more efficient land use.
Increase the consumption of petroleumproducts.
Use alternate sources of energy such as wind.
Reduce the use of fuel-efficient automobiles.
42
This diagram best represents
Competition for limited resources in a population
Ecological succession after climatic changes
The flow of materials in a forest community
The recycling of energy in an ecosystem
43
Organisms that live on land rarely compete for
Water
Food
Space
Air
44
Which sequence correctly identifies the flow of energy in an ecosystem?
producers → consumer → herbivore
producer → consumer → decomposer
consumer → decomposer → producer
carnivore → herbivore → producer
45
Mutations can be passed to the next generation if they are present in
Skin cells
Brain cells
Egg cells
Liver cells
46
Which statement regarding these methods of reproduction is correct?
Method A is a form of asexual reproduction, B is sexual reproduction.
They are both forms of asexual reproduction.
Method A is a form of sexual reproduction, B is asexual reproduction.
They are both forms of sexual reproduction.
47
What are the building blocks of proteins?
Amino acids
Ribosomes
Glucose
Starches
48
Which species appears to have been well adapted to its environment for a long period of time?
F
D
E
C
49
An example of a population in which evolution could take place in a relatively short period of time could be
pathogenic bacteria exposed to antibiotics
algae grown under constant conditions
oak trees in a stable ecosystem
elephants living in a wildlife preserve
50
Molecule A moves into the cell by
Diffusion
Active transport
51
Which pair contains an autotroph and a heterotroph?
Grass and grain
Grass and elk
Elk and wolves
Coyotes and elk
52
Which of the following is not an organelle?
Tissue
Mitochondria
Nucleus
Ribosome
53
What occurs at the cell membrane?
Cellular respiration
Protein synthesis
Photosynthesis
Controls what substances go in and out
54
Anhidrosis is the inability to sweat normally, which can be dangerous. Anhidrosis most directly interferes with
an immune system response to harmless antigens
the enzymatic breakdown of water in cells
the synthesis of hormones in the circulatory system
a feedback mechanism that maintains homeostasis
55
What are hormones?
Chemicals that send messages
Chemicals that do not send messages
56
The photic sneeze reflex causes people to sneeze when exposed to bright sunlight. In the photic sneeze, the sun is
an environmental factor stimulating a response
a biotic factor being passed from parent to offspring
the effect of an environmental factor resulting in a genetic trait
the recombination of genes resulting from sexual reproduction
57
Which statement correctly describes an organism’s genetic information?
Chromosomes are made entirely of protein
DNA molecules contain four subunits known as genes.
Genes are made of long sequences of chromosomes
DNA contains combinations of four base subunits.
58
The messenger RNA sequence that codes for the amino acid chain TYR–ARG–GLY–VAL–ALA–LEU is
UAU–CGA–GGA–GUU–GCG–CUC
CUC–UUA–UUU–GUU–CGA–UAU
UAU–CGA–GUU–UUU–UUA–CUC
CUC–GCG–GUU–GGA–CGA–UAU
59
Difficulties often occur when tissues or organs are transplanted from one person to another because the
rate of mitosis differs between the two people involved
transplanted structures cannot produce new cells
introduction of a foreign substance causes the formation of antibodies
two people often have the same blood type
60
Which group of organic compounds includes enzymes?
Carbohydrates
Sugars
Proteins
Fats
61
Which sample has the largest DNA fragment?
C
B
A
62
What is cancer?
no cell division
controllable cell division
uncontrollable cell division
63
In a DNA molecule, the letters A,T,C,G represent
Proteins
Bases
Sugars
Starches
64
/Which organism became extinct 60 million years ago
H
M
P
G
65
Which group of organisms in an ecosystem fills the niche of recycling organic matter back to the environment?
carnivores
predators
producers
decomposers
66
Which human body system is the cell membrane in a single celled organism most similar to?
Digestive system
Circulatory system
Reproductive system
Respiratory system
67
Removing waste products from the organism is called
Digestion
Cellular respiration
Excretion
Synthesis
68
What occurs at the chloroplasts?
Photosynthesis
DNA storage
Cellular respiration
Movement of materials
69
The type of organic molecule that is being synthesized is
DNA
Starch
Fat
Protein
70
Heart rate data was collected from students in study hall. How would the data likely differ if data was collected in gym
Heart rates would be lower
Heart rates would be higher
Heart rates would be the same
71
Mitosis
Produces 4 unique daughter cells
Produces 4 identical daughter cells
Produces 2 unique daughter cells
Produces 2 identical daughter cells
72
Which equation represents the process of photosynthesis?
Alcohol and carbon dioxide → glucose
Glucose → Alcohol and carbon dioxide
Glucose and oxygen → carbon dioxide and water
Carbon dioxide and water → glucose and oxygen
73
What is the structure labeled X?
Vagina
Uterus
Ovaries
Fallopian tubes
74
The reason that a hormone affects only certain cells in the body is because these cells have
specific organelles
antibodies
genes
specific receptors
75
When the shape of the protein changes
the function changes
the function does not change
76
How will you know if starch indicator diffused into the dialysis tube?
There was no color change
There was a color change
77
Traits are passed from parents to offspring. These traits are determined by
Genes, located on chromosomes, found in the nucleus
Chromosomes, located on genes, found in the ribosomes
Genes, located on chromosomes, found in the ribosomes
Chromosomes, located on genes, found in the nucleus
78
What is the purpose of meiosis?
to create sex cells
to create body cells
79
This diagram represents
Gene interaction
Cellular differentiation
Dynamic equilibrium
Biological evolution
80
Which statement best explains this development?
Differentiation occurs, resulting in the variety of cell types.
Genes are inserted into the zygote for the formation of different cells
81
The populations of the two species increase/decrease based on the numbers of each species present. This is an example of
Ecological succession
An energy pyramid
Competition
Interdependency
82
Venus flytrap is a plant that can trap and break down prey. The substance responsible for breaking down the prey has
Chlorophyll molecules
Glucose molecules
Hormone molecules
Enzyme molecules
83
In a DNA molecule, if 38% of the molecular bases are C (cytosine), what percent of the bases are T (thymine)?
62
38
24
12
84
Many bacteria and fungi are important in the environment because they
Recycle nutrients, making it available for plants
Produce glucose through the process of respiration
Return energy to the environment, making it available for plants
Reverse the flow of energy in the ecosystem
85
Which sample has the smallest DNA fragment?
C
B
A
86
Which species is most closely related to species M?
G
F
E
H
87
What is a mutation
Purposeful change in DNA
No change in DNA
Random change in DNA
88
What is the purpose of the nucleus?
DNA storage
Protein synthesis
Cellular respiration
Photosynthesis
89
What is the name of structure B?
Ovaries
Uterus
Fallopian tubes
Vagina
90
Maintaining a rich variety of genetic material that may lead to discoveries beneficial by humans can be ensured by
Increasing cloning
Asexual reproduction
Selective breeding
Perserving biodiversity
91
What is found in level C?
Carnivores
Herbivores
Autotrophs
92
Restriction enzymes
Don't do anything
Cut DNA
93
Where are carnivores found?
A,B, and C
A only
A and B
A,B,C, and D
94
What is this an example of?
Natural selection
Ecological succession
Evolution
Feedback mechanism
95
Only some of the available energy is transferred. What happens to the rest of the energy?
It is absorbed
It is lost as heat
It is transferred
96
The role of antibodies in the human body is to
recognize foreign antigens and mark them for destruction
increase the production of guard cells to defend against pathogens
stimulate pathogen reproduction to produce additional white blood cells
promote the production of antigens to stimulate an immune response
97
What is structure A?
Vagina
Ovaries
Fallopian tubes
Uterus
98
What is the correct definition for metabolism?
This is where movement occurs
This is where photosynthesis occurs
All of the cellular respiration that occurs
The sum of all of the chemical reactions in the body
99
What is the decomposer?
Plants
Bacteria
Animals
Dead animals
100
What is the function of structure F?
Where hormones are made
To create sperm
Where fertilization occurs
To bring sperm from the testes to the urethra
101
What occurs at the ribosomes?
Movement of materials
Protein synthesis
Cellular respiration
DNA storage
102
Which organism releases oxygen into the atmosphere?
Mold
Fish
Plants
Bird
103
What is the opposite of synthesis?
Circulation
Photosynthesis
Cellular respiration
Digestion
104
Which of the following is an organic molecule?
H2O
Oxygen
CO
C6H12O6
105
What is represented by X?
A receptor molecule
Insulin
A signaling molecule
Cell membrane
106
Finite
renewable source
nonrenewable source
107
Which two structures are directly involved in the normal development of a human fetus?
uterus and placenta
testes and placenta
placenta and stomach
oviducts and ovaries
108
Which two processes are directly required for a human zygote to be produced?
mitosis and differentiation
mitosis and fertilization
meiosis and differentiation
meiosis and fertilization
109
What is the correct sequence in which these events would occur?
B-A-C-D
C-D-B-A
D-B-A-C
D-C-A-B
110
The three arrows in the diagram each represent a process known as
meiotic cell division
differentiation of tissues
fertilization of gamete cells
mitotic cell division
111
Which level carries out both cellular respiration and photosynthesis?
A
C
B
D
112
The use of solar panels has increased in the last ten years. A benefit of using solar energy would include
using a nonrenewable source of energy
adding more carbon dioxide to the atmosphere
releasing more gases for photosynthesis
using less fossil fuel to meet energy needs
113
The picture shows two himalayan rabbits. In winter, it looks like the left, in summer on the right. Why?
A virus that affected genes in areas of the body
Gene expression due to the differences in abiotic conditions
The molecular arrangement of sugars
The sorting and recombination of genes
114
Region indicated by letter A is a
gamete
enzyme
gene
chromosome
115
Which two processes are most directly represented in this diagram?
molecule transport and energy use
homeostasis and ATP synthesis
ATP synthesis and the diffusion of water
homeostasis and the diffusion of water
116
As a population of organisms within a forest ecosystem increases, the size of the population is eventually limited by
a lack of competition
overproduction of their food supply
a finite supply of water and nutrients
the size of similar populations in a nearby ecosystem
117
Two carnivores found in this system are
Water plants and clams
Small invertebrates and crabs
Bass and small invertebrates
Crabs and crayfish
118
When does cellular respiration occur in plants?
Never
only when light is available
all the time
119
What are the products (is released) for photosynthesis?
Carbon dioxide and glucose
Oxygen and glucose
Carbon dioxide and water
Oxygen and water
120
A lizard moves into the sun when it is cold, and into the shade when it is hot. This behavior is important to
Obtain nutrients
Detect variations
Attract mates
Maintain homeostasis
121
Which part of the Beaks of Finches lab was changed in order to simulate the different conditions on various islands?
type of beak
types of seeds present
size of beak
size of stomach container
122
What is the name of structure D?
Vagina
Fallopian tubes
Ovaries
Uterus
123
The fragments of DNA separate into bands because of their
pH and color
electrical charge and size
charge and radioactivity
color and size
124
Which human body system is the cytoplasm in a single celled organism most similar to?
Respiratory system
Excretory system
Circulatory system
Immune system
125
What are the reactants (goes into) of photosynthesis?
Oxygen and carbon dioxide
Carbon dioxide and water
Carbon dioxide and glucose
Oxygen and glucose
126
what is the result when starch is digested?
glucose
amino acids
127
Are species A and B more closely related than A and D?
Yes
No
128
A valid conclusion based on the information in the graph is that
enzyme activity causes acids to change into bases over time
the pH of some enzymes changes as the temperature changes
a difference in the pH of an environment changes enzyme activity
enzymes change color in proportion to the rate of activity
129
In this energy pyramid, the greatest amount of stored energy is found in
Level B
Level C
Level D
Level A
130
Which system is listed in order from simplest to most complex?
Organism → tissue → organ → organ system
Tissue → cell → organ system → organ
Cell → tissue → organism → organ
Cell → tissue → organ → organ system
131
Doctors use a vaccine to prepare the body to defend itself against future infections. These vaccines most often contain
weakened pathogens
antibodies
white blood cells
antibiotics
132
Which process takes place in both method A and method B?
meiosis
mitosis
fertilization
recombination
133
What are the two hormones associated with the female reproductive system?
Estrogen and insulin
Estrogen and testosterone
Estrogen and progestorone
Progesterone and insulin
134
Meiosis
Produces 2 unique daughter cells
Produces 4 unique daughter cells
Produces 4 identical daughter cells
Produces 2 identical daughter cells
135
Which is a hypothesis?
If I give the plant more water, then it will grow taller
The tree is tall
The independent variable is the amount of water
How can I get the tree to grow taller?
136
Which is an observation?
The tree is tall
Why is the tree tall?
The tree is tall because it receives a lot of light
137
What is found in level D?
Heterotrophs and producers
Autotrophs and consumers
Heterotrophs/consumers
Autotrophs/producers
138
If the population of gray wolves were to decrease...
The population of elk would decrease
The population of grass would increase
The population of coyotes would decrease
The population of coyotes would increase
139
Mutations are important biologically because they
Occur at a regular rate and can be controlled
Are always harmful and therefore eliminate weak traits
Can result in a new variety of gene combinations in a species
Can be passed to offspring if they occur in any cell of the body
140
65 million years ago, an asteroid struck the earth blocking sunlight. This would have a most immediate effect on
herbivores
decomposers
autotrophs
consumers
141
What are the products (is released) for cellular respiration?
Oxygen, ATP, and water
Carbon dioxide, ATP and water
Oxygen and water
Carbon dioxide, ATP and glucose
142
Which stage is the most stable?
Bare field
Grass stage
Hardwood forest stage
Pine forest stage
143
If scientists want to determine the similarities in the DNA fragments in several plant species, they should
compare seed structures of the plants
analyze electrophoresis results
examine their chromosomes with a microscope
add salt water to cells from each plant
144
A new finch is found to have a diet of worms. The finch that would have a beak most similar to the new finch is
Small ground finch
Vegetarian finch
Large tree finch
Cactus finch
145
What is the function of structure B?
To make eggs
To make eggs, estrogen, and progesterone
Where fertilization occurs
To make estrogen and progesterone
146
In a food web, which type of organism receives energy from the other three types?
herbivore
producer
primary consumer
decomposer
147
White blood cells are most closely associated with which two body systems?
immune and circulatory
excretory and immune
digestive and excretory
circulatory and digestive
148
Which equation represents cellular respiration?
Carbon dioxide and water → glucose and oxygen
Glucose → Alcohol, ATP and carbon dioxide
Alcohol and carbon dioxide → glucose
Glucose and oxygen → carbon dioxide, ATP and water
149
What is the average of this data: 4,19,3,7
7.16
8.25
7.52
3.44
150
One molecule that will be able to pass through the dialysis tubing is
Starch
Starch indicator
151
What are the building blocks of starches?
Glucose
Amino acids
Proteins
Ribosomes
152
Why can starch not diffuse into the cell?
it is too small
it is too big
153
In which cell structure is energy extracted from nutrients?
Vacuole
Ribosome
Mitochondrion
Chloroplast
154
Mitosis
making sex cells
making body cells
155
This process is called
Paper chromatography
Gel electrophoresis
156
Molecule B moves into the cell by
Diffusion
Active transport

Biology Quiz Challenge Flashcards | StudBud