Practice Test Questions Flashcards
(79 cards)
1
Q
The characteristics in a species can also be a result of the environment in which they live. For example, if a plant does not have enough water, it may not grow as tall as expected. Or animals may be bigger or smaller based on the amount of food or nutrients that are available to them in their environment.
A
Genetics and Environment
2
Q
The first homosapien fossils appeared during which era?
A
Cenozoic Era
3
Q
Frosted glass is an example of:
A
Translucent Material
4
Q
Solar radiation that can be felt by skin but not seen is-
A
Ultraviolet Radiation
5
Q
The following data represents the biomass of different trophic levels in an ecosystem. Based on the data, which of the following statements is supported?
Trophic Level Biomass (grams/m2)
Producer 1000
Primary consumer 150
Secondary consumer 50
Tertiary consumer 10
A
B. The biomass decreases as we move up the trophic levels.
6
Q
Can the following be scientifically tested: Will I have better grades if I study 30 or 60 mins a night?
A
Yes
7
Q
Who was the African-American mathematician and computer scientist who played a crucial role in the early years of NASA’s space program?
A
Katherine Johnson
8
Q
What is Dr. Mae Jemison is best known for?
A
A. Being the first African American woman in space.
9
Q
In a vacuum, due to the absence of molecular movement, what happens to sound?
A
It cannot tavel
10
Q
In a vacuum, due to the absence of molecular movement, what happens to sound?
A
It cannot Tavel
11
Q
What is the green pigment in plant leaves that helps plants make their own food?
A
Chlorophyll
12
Q
Which of the following principles is a unifying theme connecting biology, chemistry, and physics?
A
Law of conservation of energy
13
Q
Comparing the steps to the scientific method of inquiry with the phases of discrepancy events under the pedagogy of learning, what do they have in common?
A
The both are a sequential process
14
Q
Which two gasses compose the vast majority of the Earth’s atmosphere?
A
Oxygen and Nitrogen
15
Q
What is an example of metamorphic rock?
A
Schist
16
Q
Approximately how long ago did the first anatomically modern humans appear on the Earth?
A
200,000 years ago
17
Q
Which of the following best describes the process by which most waves on the ocean’s surface are created?
A
Wind stirs the ocean’s surface over great distances.
18
Q
The shape of the Milky Way can best be described as ________.
A
A spiral disk
19
Q
What is the moon’s position relative to Earth during a lunar eclipse?
A
The moon and sun are on opposite sides of the Earth.
20
Q
Which structure is responsible for regulating basic functions such as respiration and heartbeat?
A
Brainstem
21
Q
How many pairs of chromosomes are contained within a typical cell in the human body?
A
23
22
Q
A behavioral response from an organism is determined by what factors?
A
Heredity and experience
23
Q
What is not a division within the standard system of scientific taxonomy?
A
Rank
24
Q
Within a forest ecosystem, what would be considered a primary consumer?
A
Rabbit
25
Using the periodic table, how would you find elements with chemical properties similar to Helium?
Look in the column below it
26
What factor least affects a compound’s tendency to change state?
Mass
27
What is the term for the process of releasing atomic energy by bombarding a dense element with neutrons and splitting its nucleus?
Fission
28
What is not considered a major class of nutrient?
Fibers
29
The process by which sediments are compacted and cemented into sedimentary rock is known as what?
Lithification
30
According to Kepler’s First Law of Planetary motion the orbit of every planet is what?
Elliptical
31
What is most likely to produce the most extreme tides?
The moon and the Sun’s gravitational pull on the Earth when they are in alignment.
32
What events happens the most often during a calendar year?
The Earth complete a full rotation on its axis
33
What is the key element needed for a fern to reproduce?
Moisture
34
What pairs of organisms provides the best example of commensalism
A. Barnacles adhering to the shell of a mollusk
35
Please explain the relationship between electricity and magnetism
Electricity can be used to create magnetism and vice versa.
36
What geological process adds new rock to the surface of Earth?
Volcanic Activity
37
What is the order of the biological taxonomy?
K
P
C
O
F
G
S
Kingdom, Phylum, Class, Order, Family, Genus, Species
38
Alfred Wegener proposed what theory in the early 1900s?
Earth once contained a single supercontinent- Pangea.
39
What is the Doppler Effect?
As an emergency vehicle approaches an observer standing by the road, the perceived pitch of the siren increases.
40
Organic material is dissolved, leaving a mod behind, which is filled with minerals and creates..
Fossilization
41
What are a group of cells that work together?
Tissues
42
What are the characteristics of neutrons?
Has no charge
Has a mass of 1 atomic mass unit
Found in the nucleus
43
What unifying process if science can be used to document changes and consistency over time?
Measurements
44
What type of approach should a researcher take if attempting to determine the effects of weathering on a regions largest lake?
Observational Study
45
Which of the following is the best example of an interaction between different biotic factors in an ecosystem?
Answer the question by selecting the correct response.
A.
A caterpillar undergoing metamorphosis
B.
A plant absorbing sunlight
C.
A grazing animal eating plants
D.
An icicle melting on a warm day
C
46
A neutral atom becomes a positive ion when it loses one or more
Answer the question by selecting the correct response.
A.
electrons
B.
neutrons
C.
protons
D.
nuclei
A
47
Which of the following best describes a galaxy?
Answer the question by selecting the correct response.
A.
A small celestial body composed of ice
B.
A giant planet orbited by ten or more moons
C.
A collection of planets revolving around a star
D.
A large cluster of stars, dust, and gas
D
48
Which of the following molecules is a product of cellular respiration and is used for energy transfer in cells?
Answer the question by selecting the correct response.
A.
ATP
B.
Carbon dioxide
C.
Oxygen
D.
Water
A— ATP is a small molecule that stores and transports chemical energy in cells. Cellular respiration is a multistep process in cells that uses chemical energy stored in glucose and other organic molecules to produce ATP.
49
Researchers found fossils of marine organisms in rock layers that are located high above sea level. Which of the following conclusions is best supported by the researchers’ observations?
Answer the question by selecting the correct response.
A.
The fossils were transported to the research site by wind currents.
B.
The rock layer in which the fossils were found is igneous rock.
C.
The organisms from which the fossils were formed lived less than a hundred years ago.
D.
The area containing the rock layers was previously covered by water.
D
50
During a total solar eclipse, the Moon is in which of the following phases?
A.
New Moon
B.
First-quarter Moon
C.
Full Moon
D.
Third-quarter Moon
A
51
Which of the following best describes the type of chemical reaction that occurs when the acid H C lHCl
is mixed with the base N a O HNaOH
in a solution?
Answer the question by selecting the correct response.
A.
Combustion
B.
Decomposition
C.
Neutralization
D.
Dehydration
C
52
Which of the following processes in a plant’s life cycle involves the emergence of leaves and roots from a seed?
Answer the question by selecting the correct response.
A.
Germination
B.
Fertilization
C.
Pollination
D.
Flowering
A
53
On the periodic table, the elements lithium, sodium, and potassium are grouped together in the first column. Based on their locations on the periodic table, which of the following is most likely true about the elements lithium, sodium, and potassium?
Answer the question by selecting the correct response.
A.
They have the same atomic number.
B.
They have the same atomic mass.
C.
They have similar chemical properties.
D.
They have similar melting points.
C
54
An animal is found to have the following characteristics: It has a backbone and soft, moist skin that is covered by a slippery layer of mucus. It goes through complete metamorphosis in its life cycle, and it lives part of its life in water and part of its life on land. To which of the following groups does the animal most likely belong?
Answer the question by selecting the correct response.
A.
Amphibians
B.
Insects
C.
Mammals
D.
Reptiles
A
55
In an activity, students filled two identical containers with equal volumes of either freshwater or salt water. The students then placed different objects, one at a time, in the containers and observed whether the objects sank or floated. Which of the following statements best accounts for an observation that the same object sank in the freshwater but floated in the salt water?
Answer the question by selecting the correct response.
A.
The freshwater was colder than the salt water.
B.
The freshwater weighed more than the salt water.
C.
The salt water was denser than the freshwater.
D.
The salt water was more transparent than the freshwater.
C
56
Which of the following elements are most abundant in the Sun?
Answer the question by selecting the correct response.
A.
Hydrogen and helium
B.
Oxygen and carbon
C.
Nitrogen and phosphorus
D.
Uranium and plutonium
A
57
Which of the following is true about the formation of a covalent bond?
Answer the question by selecting the correct response.
A.
A covalent bond forms when electrons are shared between two atoms.
B.
A covalent bond forms when one atom donates protons to another atom.
C.
A covalent bond forms when two negatively charged atoms become attached to each other.
D.
A covalent bond forms when the neutrons of one atom fuse with the neutrons of another atom.
A
58
In an investigation of the rusting process, students soaked a sample of steel wool in vinegar for approximately one minute. After removing the steel wool from the vinegar, the students squeezed it and blotted it with a paper towel. The students then wrapped the steel wool around the bulb of a thermometer and placed the steel wool and thermometer together in a covered beaker to allow the rusting process to occur. The students observed that the temperature reading of the thermometer gradually increased. Which of the following conclusions is best supported by the students’ observation?
Answer the question by selecting the correct response.
A.
A reaction occurred in which energy was created.
B.
A reaction occurred in which energy was destroyed.
C.
A reaction occurred in which energy was released.
D.
No reaction occurred.
C
59
In which of the following ways can a tree-fall gap result in increased species diversity in a mature forest community?
Answer the question by selecting the correct response.
A.
By reducing the amount of carbon dioxide gas in the atmosphere
B.
By increasing competition between birds for limited resources
C.
By creating a barrier to the dispersal of seeds produced by mature trees
D.
By providing a habitat in which shade-intolerant plants can grow
D
60
Researchers are measuring surface salinity in different areas of an ocean. In which of the following areas will the researchers most likely find the highest surface salinity?
Answer the question by selecting the correct response.
A.
An area in which cooler temperatures are causing heavy rainfall
B.
An area in which warmer temperatures are causing icebergs to melt
C.
An area in which river flow is causing a mixing of freshwater with seawater
D.
An area in which warm, dry winds are causing a high rate of evaporation
D
61
The scientific name for a domestic cat is Felis catus. Which of the following classification levels is indicated by the first part of the scientific name?
Answer the question by selecting the correct response.
A.
Order
B.
Genus
C.
Family
D.
Kingdom
B
62
Which of the following most likely accounts for structural and functional differences between the skin cells, smooth muscle cells, and liver cells of the same person?
Answer the question by selecting the correct response.
A.
Differences in the genetic code
B.
Differences in chromosome number
C.
Differences in gene expression
D.
Differences in mutation rates
C
63
In which of the following types of power plants would the normal generation of electricity most likely produce the least amount of carbon dioxide gas?
Answer the question by selecting the correct response.
A.
Nuclear-fueled
B.
Coal-fueled
C.
Natural gas–fueled
D.
Oil-fueled
A
64
Which of the following scientists did pioneering research on the properties of radioactive elements?
Answer the question by selecting the correct response.
A.
Isaac Newton
B.
Marie Curie
C.
Nicolaus Copernicus
D.
Charles Darwin
B
65
Which of the following conditions is required for the rapid replenishment of an aquifer?
Answer the question by selecting the correct response.
A.
Permeable soil
B.
Steeply sloped land
C.
Direct sunlight
D.
High atmospheric pressure
A
66
In which of the following layers of Earth’s atmosphere does most weather occur?
Answer the question by selecting the correct response.
A.
The troposphere, the layer closest to Earth’s surface
B.
The stratosphere, the layer just above the troposphere
C.
The mesosphere, the layer just above the stratosphere
D.
The exosphere, the layer farthest from Earth’s surface
A
67
Elements in the same ___ have the same number of electron shells.
Row
68
Elements in the same _______ share similar chemical properties because they have the same number of valence electrons.
Column
69
The table is divided into four main ______ based on the type of electron filling
Blocks
(s, p, d, and f blocks).
70
The atomic number of an element is the number of ______ in the nucleus of an atom of that element.
Protons
71
What is the first phase of reproduction?
Interphase
72
What is the second phase of reproduction where the chromosomes pair up?
Prophase
73
What is the third phase of reproduction for chromosomes lineup at the equator?
Metaphase
74
What is the fourth phase of reproduction where the chromosomes are pulled apart?
Anaphase
75
What is the fifth phase of reproduction where the self pinches in the middle?
Telophase & cytokinesis
76
What is the sixth phase of reproduction where they become two daughter cells
Prophase II
77
What’s the seventh phase of reproduction where the chromosomes lineup at the equator?
Metaphase II
78
What is the eighth phase of reproduction where the sister chromatids pull apart?
Anaphase II
79
What is the last phase of reproduction where the cell pinches in the middle and four granddaughter cells appear?
Telophase II & cytokinesis
