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Bio 1 final review
Bio 1 final review
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1
What goes in Box 5 of the food web in Figure 3–2?
herbivores
decomposers
carnivores
2
Water molecules are polar, with the
oxygen and hydrogen sides being slightly positive.
O side being slightly positive; H side slightly negative.
O side being slightly negative; H side slightly positive.
3
A wolf pack hunts, kills, and feeds on a moose. In this interaction, the wolves are
mutualists.
prey.
predators.
4
The biology that deals with interactions among organisms & between them & their environment is
ecology.
economy.
modeling.
5
A covalent bond is formed as the result of
sharing protons.
sharing electrons.
transferring protons.
6
Which of the following is NOT a principle of the cell theory?
Very few cells are able to reproduce.
All living things are made of cells.
Cells are the basic units of life.
7
Which structure in Figure 7–2 stores materials like water, salts, proteins, and carbohydrates?
structure B
structure C
structure A
structure D
8
In a logistic growth curve, exponential growth is the phase in which the population
growth begins to slow down.
grows quickly.
reaches carrying capacity.
9
Biodiversity is valuable partly because it
provides humans with resistance to disease.
tells us about many other species.
contributes to medicine and agriculture.
10
Water lilies don't grow in desert sand because water availability to plants in a desert is
the logistic growth curve.
a competition factor.
the carrying capacity.
a limiting factor.
11
The work of scientists usually begins with
testing a hypothesis.
careful observations.
drawing conclusions.
12
Which of the following is a food chain in the food web shown in Figure 3–4?
grass, grasshopper, snake, hawk
grass, caterpillar, robin, hawk
tree, deer, mountain lion, fox
13
The graph in 5–1 shows the growth of a bacteria population. Which describes the growth curve?
logistic
exponential
demographic
limiting
14
Which of the following is an example of an organ?
digestive system
nerve cell
heart
15
Which is one of the ways that cellular respiration and photosynthesis are opposite processes?
Photosynthesis releases energy. Respiration stores energy.
Photosynthesis removes O2 from atmosphere. Resp replaces it.
Photosynthesis removes CO2 from atmosphere. Resp replaces it
Photosynthesis uses glucose. Respiration produces glucose.
16
What type of electron is available to form bonds?
ionic
nucleus
valence
17
Which organelle would you expect to find in plant cells but not animal cells?
ribosome
smooth endoplasmic reticulum
chloroplast
18
The diffusion of water across a selectively permeable membrane is called
osmotic pressure.
active transport.
osmosis.
19
The human population experienced exponential growth just after
agriculture began.
the Industrial Revolution began.
the bubonic plague began.
20
An organism’s niche is
all the physical/biological factors in organisms environment
a full description of the place an organism lives.
phys/bio cond where organisms live +how obtain needs to surv
21
If a population grows larger than carrying capacity, which of these is most likely to happen?
The death rate must fall.
The death rate may rise.
The birthrate must fall.
22
A personal preference or point of view is
a bias.
a theory.
a hypothesis.
23
Introduced species can threaten biodiversity because they can
reduce the amount of fertile land.
cause desertification.
crowd out native species.
cause biological magnification.
24
Demography is the scientific study of
modernized countries.
none of the above
human populations.
parasitism and disease.
25
During diffusion, when concentration of molecules on both sides of a membrane is =, molecules
continue to move across the membrane in both directions.
stop moving across the membrane.
move across the membrane to the outside of the cell.
26
Looking at a cell under a microscope, you note that it is a prokaryote. How do you know?
The cell lacks a nucleus.
The cell lacks cytoplasm.
The cell lacks a cell membrane.
27
Which of the following is true about nonrenewable resources?
Using them up will help keep the environment healthy.
They cannot be replaced after they are used up.
There are plenty for people to use for a very long time.
28
Which of the following conclusions could you draw about the cell shown in Figure 7–1?
The cell is eukaryotic because it does not have a nucleus.
The cell is eukaryotic because it has a nucleus.
The cell is prokaryotic because it has a nucleus.
The cell is prokaryotic because it does not have a nucleus.
29
Based on observation, you suggest that water could accelerate the growth of bread mold. This is
an experiment.
a hypothesis.
an analysis.
30
Unlike photosynthesis, cellular respiration occurs in
plant cells only.
all eukaryotic cells.
prokaryotic cells only.
animal cells only.
31
A student is collecting gas given off from a plant in bright sunlight at. The gas is probably
glucose.
oxygen.
ATP.
32
Protecting an entire ecosystem ensures that
interactions among many species will be preserved.
captive breeding programs will succeed.
existing parks and reserves will expand.
33
Which of the following is a function of the cell membrane?
keeps the cell wall in place
stores water, salt, proteins, and carbohydrates
regulates the movement of materials into & out of the cell
34
Which means of particle transport is shown in Figure 7–4?
osmosis
diffusion
active transport
35
Using Figure 5–2, what is the most likely cause of the decrease in moose population after 1995?
Poisonous plants killed off many moose.
Overcrowding caused competition in the moose population.
Many moose reached old age and died.
36
Process by which organisms keep everything inside their bodies within certain limits is called
homeostasis.
photosynthesis.
metabolism.
37
Which pathway represents the flow of electrons during photosynthesis?
O2 → ADP → Calvin cycle
H2O → Photosystem I → Photosystem II
H2O → NADP+→ Calvin cycle
38
The products of photosynthesis are the
reactants of cellular respiration.
reactants of fermentation.
products of cellular respiration.
39
Why is the metric system easier to use than the English system?
Metric units are easier to measure than English units.
Metric units are smaller than English units.
The metric system is based on multiples of 10.
40
Which of the following is a biological aspect of an organism’s niche?
the way it gets food
composition of soil
amount of sunlight
41
Photosynthesis uses sunlight to convert water and carbon dioxide into
oxygen and high-energy sugars.
ATP and oxygen.
oxygen and carbon.
42
How does society help science advance?
Society’s biases steer science toward studying certain ideas
Society’s morals help scientists make good decisions.
Society raises questions that science can help answer.
43
What helps the inside of the thylakoid membrane get a + charge in light-dependent reactions?
ATP synthase produces ATP from ADP.
ATP synthase allows H+ ions to pass through the membrane.
H+ ions are released as water splits.
44
Which structure in 7–3 modifies/sorts/packages proteins & other materials for storage/release?
structure A
structure B
structure C
45
Which represents levels of organization in multicellular organism from the simplest to complex?
cell, tissue, organ, organ system
cell, tissue, organ system, organ
tissue, organ, organ system, cell
46
An example of a renewable resource is
oil.
coal.
trees.
47
Energy is released from ATP when
ATP is exposed to sunlight.
a phosphate group is added.
a phosphate group is removed.
48
What is the correct equation for cellular respiration?
6O2 + C6H12O6 → 6CO2 + 6H2O + Energy
6CO2 + 6H2O + Energy → 6O2 + C6H12O6
6CO2 + 6H2O → 6O2 + C6H12O6 + Energy.
49
What happens when chlorophyll is struck by sunlight?
A chemical reaction turns chlorophyll into high energy carbs
The electrons in the chlorophyll molecule become energized.
The chlorophyll molecule is broken into two parts.
50
Matter can recycle through the biosphere because
matter is assembled into chemical compounds.
biological systems do not use up matter, they transform it
matter does not change into new compounds.
51
What are the three kinds of ecological pyramids?
energy, nutrient, and trophic
producer, consumer, and decomposer
energy, biomass, and numbers
52
Lactic acid fermentation occurs in
mitochondria.
any environment containing oxygen.
muscle cells.
53
How do most primary producers make their own food?
by changing water into carbon dioxide
by using light energy to make carbohydrates
by using chemical energy to make carbohydrates
54
Which of the following is a density-independent limiting factor?
emigration
earthquake
parasitism
55
A group of similar cells that perform a particular function is called
a tissue.
a division of labor.
an organ system.
56
Ideally, sustainable development should
provide for human needs at the expense of the environment.
use more natural resources to make goods for human needs.
preserve ecosystems while providing for human needs.
57
What would happen if bird population shown in the ecosystem in 4–1 were to suddenly decrease?
The grass and fish would compete for resources.
The grass population would increase.
The fish population would increase.
58
Why is carbon so special compared to other elements?
C atoms have 4 valence electrons & can form quadruple bonds.
C atoms can bond to one another & form many structures.
Only C atoms can form covalent bonds with oxygen & hydrogen.
59
A symbiotic relationship in which both species benefit is
predation.
commensalism.
mutualism.
60
Glycolysis provides a cell with a net gain of
18 ATP molecules.
2 ATP molecules.
4 ATP molecules.
61
The number of different species in the biosphere or in a particular area is called
species diversity.
genetic diversity.
ecosystem diversity.
62
Which of the following could describe a population that is decreasing in size?
The death rate is becoming lower than the birthrate.
The death rate is constant and the birthrate is increasing.
The death rate is becoming higher than the birthrate.
63
In chemical reactions, atoms are
rearranged.
neutralized.
destroyed.
64
Which statement is true about macromolecules?
Glycerol is made of fatty acids.
Simple sugars are made of polysaccharides.
Proteins are made of amino acids.
65
What is shown in Figure 6–2 above?
water treatment
point source pollution
nonpoint source pollution
66
What is a product of the Calvin cycle?
carbon dioxide gas
oxygen gas
high-energy sugars
67
A well-tested explanation that explains a lot of observations is
a theory.
an inference.
a controlled experiment.
68
Which structure makes proteins using coded instructions that come from the nucleus?
ribosome
mitochondrion
Golgi apparatus
69
The algae at the beginning of the food chain in Figure 3–1 are
primary consumers.
primary producers.
heterotrophs.
70
Cellular respiration uses 1 molecule of glucose to produce approximately
36 ATP molecules.
4 ATP molecules.
32 ATP molecules.
71
What is one difference between primary and secondary succession?
Secondary succ. begins with lichens; primary with trees.
Primary succession is rapid and secondary succession is slow
Secondary succ. begins on soil; primary on new surfaces.
72
A model of feeding interactions among organisms in from producers to decomposers is called a
population.
ecosystem.
food web.
73
What is a valid conclusion that can be drawn from the graph in Figure 6
–
3 above?
Though people are driving more, pollution has decreased.
Pollution increases as energy consumption increases.
Energy consumption has changed more than total emissions.
74
Enzymes affect the reactions in living cells by changing the
speed of the reaction.
products of the reaction.
pH of the reaction.
75
A bird stalks, kills, and eats an insect. Which pair of ecological terms describes the bird?
herbivore, decomposer
autotroph, herbivore
carnivore, consumer
76
What type of ion forms when an atom loses electrons?
radioactive
neutral
positive
77
When salt is dissolved in water, water is the
solute.
solvent.
reactant.
78
The movements of energy and nutrients through living systems are different because
energy is limited in biosphere; nutrients r always available
energy flows in one direction, and nutrients recycle.
nutrients flow in one direction, and energy recycles.
79
When hydrogen and oxygen combine to form water, water is
a product.
a reactant.
a catalyst.
80
If the pH of stomach acid and of oven cleaner were measured,
pH of stomach acid would be < 7; oven cleaner would be > 7.
pH of stomach acid would be > 7; oven cleaner would be < 7.
both would be below 7.
81
The air bubbles and spongy texture of bread are due to which process?
alcoholic fermentation
the Krebs cycle
lactic acid fermentation
82
Plants get the energy they need for photosynthesis by absorbing
sunlight.
high-energy sugars.
chlorophyll a.
83
Which explains why well-conditioned athletes pace themselves for events lasting several hours?
Cellular resp releases energy more slowly than fermentation.
Alcoholic fermentation produces carbon dioxide
Lactic acid fermentation can cause muscle soreness.
Heavy breathing is needed to get rid of lactic acid.
84
Animals get the most of the nitrogen they need
by breathing in atmospheric nitrogen.
directly from bacteria in the soil.
by consuming plants or other animals.
85
Science is best described as a
collection of beliefs.
set of facts.
way of knowing.
