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KW Biology Exam Practice
KW Biology Exam Practice
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1
What does a reviewer do before the peer review?
Check for mistakes and bias
Repeat the experiments from the article
Focus on mistakes in spelling
Change data to support results
2
Which of the following is an electron acceptor that plays a role in cellular respiration?
ATP
NADP+
NAD+
Pyruvic Acid
3
Carbon cycles through the biosphere in all of the following processes EXCEPT...
Transpiration
Photosynthesis
Decomposition of plants and animals
Burning fossil fuels
4
The Kreb Cycle produces....
Carbon Dioxide
Oxygen
Glucose
Lactic Acid
5
Which of the following affects the rate of photosynthesis?
Light intensity
Water
All of the above
Temperature
6
The branch of biology dealing with interaction among organisms and their environment is called...
Modeling
Recycling
Economy
Ecology
7
Which of the following is one of the ways that cellular respiration and photosynthesis are opposite processes?
Photosynthesis releases energy and cellular respiration stores energy
Photosynthesis consumes glucose and cellular respiration produces it
Photosynthesis removes CO2 from the atmosphere and CR puts it back
Photosynthesis removes O2 from the atmosphere and CR puts it back
8
Photosynthesis is to chloroplasts as cellular respiration is to...
Cytoplasm
Nuclei
Chloroplasts
Mitochondria
9
Which of the following is NOT a process of glycolysis?
Pyruvic Acid
NADH
ATP
Glucose
10
What is the role of NADP in photosynthesis?
Pigment
Photosystem
High-energy sugar
Electron carrier
11
Which of the following is NOT a step in the light-dependent reactions?
High-energy electrons move through the Electron Transport Chain
ATP and NADPH are used to produce high-energy sugars
ATP synthase allows H+ ions to pass through the thylakoid membrane
Pigments in photosystem II absorb light
12
Which of these processes takes place in the cytoplasm of a cell?
Glycolysis
Kreb Cycle
Photosynthesis
ETC
13
If C02 is completely removed from a plant's environment, what would happen to the plants production of high energy sugar
More sugars will be produced
C02 does not affect the production of high-energy sugar in plants
The same number of sugars will be produced but without carbon dioxide
No sugars will be produced
14
During a controlled experiment, a scientist isolates and tests...
A conclusion
A control group
A single variable
A mass of information
15
Which of the following is NOT a characteristic of all living things?
Ability to move
Growth and devolpment
Response to the environment
Ability to reproduce
16
How do organisms get the energy they need?
Breaking down food molecules gradually and capturing their chemical energy
Burning food molecules and releasing their energy's heat
Breathing oxygen into the lungs and combining it with carbon dioxide
By using the sun's energy to break down food molecules and form chemicals
17
Which of the following is an example of an organ?
Heart
Digestive System
Nerve cell
Epithelial tissue
18
Oxygen and carbon dioxide diffuse in and out of a leaf through the...
Palisade mesophyll
Phloem
Stomata
Guard cells
19
The air bubbles and spongy texture of bread are due to which process?
The Krebs cycle
Alcoholic fermentation
Lactic acid fermentation
Glycolysis
20
When during the cell cycle are chromosomes visible?
S phase
Prophase
Cytokineses
Interphase
21
CAM plants are specialized to survive under what conditions that would harm most other kinds of plants?
Low temps
Excess water
Hot, dry conditions
Long day lengths
22
Which pair includes a phase of the cell cycle and a cellular process that occurs during that phase?
S phase, cell division
G2 phase, preparation for mitosis
G1 phase, DNA replication
M phase, cell growth
23
A bird stalks and kills then eats an insect. Based on its behavior, which pair of ecological terms describes the bird?
Herbivore, decomposer
Carnivore, consumer
Autotroph, herbivore
Producer, heterotroph
24
Cellular respiration is called an aerobic process because it requires...
Light
Glucose
Exercise
Oxygen
25
When farming, overgrazing, climate change, etc change into farmland that cannot support plants, its called...
Depletion
Desertification
Deforestation
Monoculture
26
A scientific hypothesis...
Is a proven fact with much evidence to support it
Can be tested by experiments or observations
Does not have to be tested to be accepted as correct
Can be based upon personal belief or opinions
27
Energy is released from ATP when...
ATP is exposed to sunlight
Adenine bonds to ribose
A phosphate group is removed
A phosphate group is added
28
The total amount of living tissue within a given tropic level is called...
Trophic mass
Organic mass
Energy mass
Bio mass
29
The main types of fermentation are called...
Aerobic and anaerobic
Alcoholic and aerobic
Alcoholic and lactic acid
Lactic acid and anaerobic
30
What is the product of the Calvin Cycle?
ATP
Oxygen gas
High-energy sugars
Carbon dioxide gas
31
When the body needs to exercise for longer than 90 seconds, it generates ATP by carrying out...
Alcoholic fermentation
Glycolysis
Cellular respiration
Lactic acid fermentation
32
The work of scientists usually begins with:
Careful observations
Testing a hypothesis
Creating expirements
Drawing conclusion
33
Which of the following is the correct sequence of events in cellular respiration?
Glycolysis to fermentation to Kreb's Cycle
Kreb's Cycle to ETC to glycolysis
Kreb's Cycle to gylcolysis to ETC
Glycolysis to Kreb's to ETC
34
As a cell becomes larger its....
Volume increases, but it's surface area stays the same
Surface area stays the same, but its volume increases
Surface area increases faster than its volume
Volume increases faster than its surface area
35
What happens when chlorophyll is struck by sunlight?
A chemical reaction turns chlorophyll into high-energy carbs
The chlorophyll molecule is broken into two parts
The electrons in the chloropyll becomes energized
Energy from fat molecules are released
36
A group of similar cells that perform a particular function is called....
An organ system
A division of labor
A tissue
An organ
37
Protecting an entire ecosystem will insure that...
Interactions among many species will be preserved
Existing parks and reserves will expand
Captive breeding programs will succeed
Governments will set aside land
38
A scientists publishes a paper, another scientist questions it. What scientific attitude are they showing?
Curiosity
Open-mindedness
Creativity
Skeptism
39
High-energy electrons that move down the ETC ultimately provide the energy needed to....
Break down glucose into pyruvic acid molecules
Convert carbon dioxide into water molecules
Convert ADP molecules into ATP molecules
Transport water molecules across membrane
40
During fermentation,
NAD+ is regenerated, allowing glycolysis to continue
Carbon dioxide is produced
Oxygen is require
Glucose is split into 3 pyruvaic acid molecules
41
The Calvin Cycle is another name for...
Light-independent reactions
Light-dependent reactions
Photosynthesis
All of the above
42
What is the term for each step of energy and matter transfer in a food web?
Trophic level
Food pyramid
Food chain
Energy path
43
Cellular respiration uses one molecule of glucose to produce approximately....
32 ATP molecules
4 ATP molecules
36 ATP molecules
2 ATP molecules
44
Nitrogen fixation is carried out primarily by...
Plants
Consumers
Humans
Bacteria
45
What is the correct equation for Cellular Respiration?
6C02+6H2O to 602+C6H12O6+energy
6O2+C6H12O6 to 6CO2+6H2O+energy
602+C6H12O6+energy to 6CO2
6C02+6H20+energy to 602+C6H1206
46
A student is collecting the gas given off from a plant in bright sunlight at a temp of 27`C. The gas being collected is
ATP
Carbon dioxide
Vaporized water
Oxygen
47
Which of the following are NOT examples of a heterotroph?
Grass
Mushrooms
Humans
Leopards
48
In what way are herbivores and carnivores alike?
The both directly consume producers
They are both considered to be autotrophs
The both gain energy by consuming other organisms
They both use photosynthesis to produce their food
49
Which animal would be found in the tundra?
White tailed deer
Polar bear
Igauna
Frog
50
Most of the photosynthesis activity in plants take place in the...
Stomata
Guard cells
Xylem
Mesophyll
51
If some of the xylem from a young oak tree were destroyed, it would most likely interfere with the tree's ability to...
Absorb sunlight
Conduct sugar to the roots
Absorb water from the soil
Conduct water to the leaves
52
Which biome is characterized by very low temperatures, little precipitation, and permafrost?
Temperate forest
Desert
Tundra
Tropical dry forest
53
A tropical rain forest may be unable to its original climax after which of the following disturbances?
Volcanic eruption
Flooding after a hurricane
Clearing and farming
Burning forest fire
54
Which of the following descriptions about the organization of an ecosystem is correct?
Communities make up species, which make up populations
Species make up communities, which make up populations
Species make up populations, which make up communities
Populations make up species, which make up communities
55
Would a scientist who studies evolution have to learn about other branches of biology?
Yes; the other branches of biology are more important
No; the other branches of biology do not affect evolution
No; the other branches of biology is separate from the others
Yes; the other branches of biology are interrelated
56
Which biome has many seasons, average high temps, and is characterized by frequent fires?
Boreal forest
Grassland
Tropical rainforest
Tundra
57
What are the products of of the light-dependent reactions?
ATP
NADPH
Oxygen gas
All of the above
58
The process by which organisms keep everything inside their bodies with certain limits is called...
Metabolism
Homeostatis
Photosynthesis
Evolution
59
What animals eat both producers and consumers?
Herbivores
Chemotrophs
Autotrophs
Omnivores
60
Plants are...
Primary producers
Primary consumers
Herbivores
Omnivores
61
Most plants appear green because chlorophyll
None of the above
Does not absorb green light
Reflects violet light
Absorbs green light
62
During normal mitotic cell division, a parent cell that has four chromosomes will produce two daughter cells each has...
Two chromosomes
Eight chromosomes
Four chromosomes
Sixteen chromosomes
63
A granum is a...
Photosynthetic pigment molecule
Stack of chloroplasts
Membrane enclosing a thylakoid
Stack of thylakoids
64
Cyclins are a family of closely related proteins that...
Work to heal wounds
Regulate cell cycle
Cause cancer
Produce p53
65
Plants gather the sun's energy with the light-absorbing molecules called
Thylakoids
Pigments
Cloroplasts
Glucose
66
Which of the following pass high-energy electrons to the ETC?
Acctyl-CoA
ATP and ADP
Citric Acid
NADH and FADH2
67
What are the reactants in the equation for cellular respiration?
Oxygen and lactic acid
Water and glucose
Carbon dioxide and water
Glucose and oxygen
68
The lowest level of environmental complexity that include living on nonliving factors in the...
Ecosystem
Biosphere
Biome
Community
