ISCI final
Which indicated organism has the largest clade A. A B. B C. C D. All have similar clades
A. A
What is a codon? A. A three nucleotide sequence that encodes an amino acid. B. A special type of RNA that functions in transcription. C. An old term for a gene. D. An enzyme that causes DNA strands to separate.
A. A three nucleotide sequence that encodes amino acid
Of the domains of life eukaryotes are most closely related to A. Archaea B. Bacteria C. Protists D. Plants
A. Archaea
Which of the following is the most important greenhouse gas produced by modern human civilization A. Carbon dioxide. B. Methane. C. Water vapor. D. CFC's
A. Carbon dioxide.
What are the two main components of a chromosome A. DNA and protein B. RNA and DNA. C. DNA and genes D. DNA and more DNA.
A. DNA and protein
Examining a cell under a microscope, you notice that it has multiple membrane enclosed compartments in its cytoplasm. Therefore, you determine that it is a A. Eukaryotic cell. B. Prokaryotic cell. C. Archaeal cell D. Virus. E. Not enough information.
A. Eukaryotic cell.
As the rotating nebula that produced the solar system grew more compact, it A. Flattened and rotated more rapidly B. Flattened and slowed its rotation C. became spherical and slowed its rotation D. became spherical and rotated more rapidly E. became egg-shaped and rotated at the same rate
A. Flattened and rotated more rapidly
According to Bernoulli's principle, when a fluid or air moves across a surface it ___________ the pressure on that surface A. Lowers B. Raises C. Does not affect
A. Lowers
Underground molten rock is called A. Magma B. Lava C. Melted mineral matrix D. Silicatious material E. Metamorphic rock
A. Magma
The complete set of biotic and abiotic resources used by a species is its A. Niche B. Population C. Habitat D. Carrying capacity.
A. Niche
A giant hunk of lithosphere is referred to as A. Tectonic plate B. Mountain range C. Fault line D absolute unit
A. Tectonic plate
Natural causes of climate change include variation in A. The concentration of atmospheric carbon dioxide. B. Earths density C. The amount of water in the hydrosphere. D. The concentration of atmospheric nitrogen.
A. The concentration of atmospheric carbon dioxide.
An oceanic convergent boundary, which plate will slide under the other A. The older plate B. The younger plate C. The plate that is moving more rapidly D. The play moving more slowly E. It's random
A. The older plate
How do trees counteract global warming? A. They are carbon sinks, taking carbon dioxide out of the air. B. They shade earths surface. C. They produce oxygen. D. They transpire water vapor into the air.
A. They are carbon sinks, taking carbon dioxide out of the air.
How do greenhouse gases affect the climate? A. They trap infrared radiation, coming off the Earth B. They absorb more incoming radiation from the sun. C. They block cooling blue -wavelength lie from reaching the surface D. They cause clouds to become more transparent to light.
A. They trap infrared, radiation coming off the earth.
An intrusive igneous rock is one that formed A. Underground when molten rock cooled B. Above ground when molten rock cooled C. When sediment was highly compressed D. When pressure change the form of existing rock. E. At a transform fault.
A. Underground when molten rock cooled
The Milankovitch theory describes how A. Variations in the earths orbit affect climate. B. Changes in solar output affect climate. C. Atmospheric particles trap heat. D. Cloud cover, can both trap and reflect heat.
A. Variations in the earths orbit affect climate.
Which of the following is not a gas giant A. Venus B. Saturn C. Uranus D. Saturn E. Neptune
A. Venus
On May 30, 1968 it was a warm breezy day in Dalton with a high of 85°C and a few clouds in the sky. This gives up a snapshot of the__________ at that time A. Weather B. Climate C. Both A and B D. Neither A or B
A. Weather
If the __________ was somehow removed from the sun without altering the rest of the structure, the sun would stop preforming nuclear fusion A. core B. photosphere C. convective zone D. Radiative zone E. chromosphere
A. core
In the first few seconds after the Big Bang, there was no atoms because A. it was still much too hot B. only protons existed and it took over 100,000 million years for neutrons to form C. The size of the universe was too large for protons and neutrons to collide D. everyone was still amazed about what has just happened
A. it was still much too hot
Of the sciences known as physics, chemistry, and biology, the most basic is... A. physics B. chemistry C. biology D. none in particular, as each may be considered fundamental
A. physics
Place the following sun structures in order of increasing temperature (from coolest to hottest) A. sunspot, photosphere, corona, core B. sunspot, corona, core, photosphere C. corona, sunspot, photosphere, core D. sunspot, photosphere, core, corona
A. sunspot, photosphere, corona, core
The best evidence that the sun is a newer star is A. the existence of heavy elements in its composition B. its relatively slow rate of spin C, its high temperature revealed by its color D. its position in the galaxy E. its very existence in spite of its high burning rate
A. the existence of heavy elements in its composition
Why do stars glow? A. they release large amounts of energy from nuclear fusion B. They release large amounts of energy from nuclear fission C. They contain radioactive materials D. Their rotation produces friction and the resulting heat releases light E. They are reflecting light from other stars
A. they release large amounts of energy from nuclear fusion
Play the following stages of the cell cycle in the correct order 1. Anaphase 2. Cytokinesis 3. Metaphase 4. Prophase 5. Telophase A. 1,2,3,4,5 B. 4,3,1,5,2 C. 3,5,1,2,4 D. 1,5,3,4,2 E. 3,2,1,4,5
B. 4,3,1,5,2
Without greenhouse gases in the atmosphere, the Earth would A. Be slightly warmer than it is now. B. Be much cooler than it is now. C. Be slightly cooler than it is now. D. Be much warmer than it is now.
B. Be much cooler than it is now.
In a seismic event where a given point in the asthenosphere moves forward them backward, but not side to side or up and down a _______ has occurred A. Body S wave B. Body P wave C. Either A or B
B. Body P wave
The earliest living organisms on the Earth were A. Autotrophs B. Chemotrophs C. Decomposers.
B. Chemotrophs
Courts has a lower melting temperature, then feldspar it will therefore tend to be found A. Deeper in the crust B. Closer to the surface C. Evenly spread throughout the lithosphere D. Anywhere from the asthenosphere on up E. Only around volcanoes
B. Closer to the surface
Which of the following is an example of a primary consumer A. Mushroom. B. Giraffe. C. Pine tree D. Cat
B. Giraffe.
During differentiation A. Water and dissolved gas swirled in convective patterns B. Heavier elements sank to the core C. Tectonic plates solidified to form supercontinents D. The earths magnetic field reverse rapidly many times. E. The lithosphere melted
B. Heavier elements sank to the core
The term "anthropogenic" means A. Natural B. Human-caused C. Random D. A mix of the above terms
B. Human caused
The great red spot is a storm formed on ___________, while the most visible ring system is found around _________ A. Saturn, Neptune B. Jupiter, Saturn C. Jupiter, Uranus D. Mars, Saturn E. The Sun, Jupiter
B. Jupiter, Saturn
Overtime, North America and Europe are A. Moving closer to each other. B. Moving further apart C. Remaining an equal distance from each other
B. Moving further apart
In the ABO blood typing system, can a woman with type AB blood have offspring with type O A. Yes B. No C. It depends on the man's genotype.
B. No
Hey, eukaryotic cell develops a mutation in its genetic material. Where could this mutation occur? A. Chloroplast B. Nucleus C. Mitochondria D. All of the above
B. Nucleus or D. All of the above
After sequencing a macromolecule, you will find that it contains uracil. Based on this you are dealing with A. DNA B. RNA C. Protein D. Carbohydrate E. Lipid
B. RNA
Tetracycline is an antibiotic that interferes with a prokaryotic translation which organelle does it target? A. Nucleus B. Ribosome C. Smooth ER D. Lysosomes E. Golgi body
B. Ribosomes
The Mariana trench is the deepest trench in the world structures like this form at A. Divergent boundaries B. Subduction zones C. Transform boundaries D. Sites where the atmosphere is exposed
B. Subduction zones
In addition to light, what do plants require to perform photosynthesis? A. Oxygen and carbon dioxide. B. Water and carbon dioxide. C. Glucose and carbon dioxide. D. Water and oxygen. E. Glucose and oxygen.
B. Water and carbon dioxide.
A hypothesis is A. settled science B. a plausible answer C. stronger than a theory D. the same as a theory E. something that b has been proven correct
B. a plausible answer
Which element is the sun using for fuel? A. helium B. hydrogen C. carbon D. lithium E. A mix of elements
B. hydrogen
When would a protostar become a brown dwarf A. after it runs out of fuel B. if it is too small to begin fusion C. immediately before becoming a red giant D. Long after the red giant stage E. Just before it ignites to become a white dwarf
B. if it is too small to begin fusion
Is the statement "Intelligent life exists elsewhere in the universe" a falsifiable statement? A. yes B. no
B. no
The statement "There are regions beneath Earth's crust that will always be beyond the reach of scientific investigation" is a... A. fact B. speculation C. hypothesis D. scientific statement E. theory
B. speculation
The X-axis represents the __________ of the star A. brightness B. temperature C. size D. luminosity E. fuel used
B. temperature
In the figure on the right, the organism most closely related to three is__________ and the most distantly related is_________ A. 1;4 B. 2;4 C. 4;1 D. 2;1
C. 4;1
What is a feature that separates animals from plants? A. Animals can reproduce sexually. B. Plants are multicellular. C. Animals are heterotrophs. D. Animals perform cellular respiration.
C. Animals are heterotrophs.
Two cities are located at the same latitude city A is located on the coast while city B is located far inland. What can you say about the climate of the cities if there are no other geographical features to consider A. City A will have warmer summers, but much colder winters. B. City B will have warmer summers and winters. C. City A will have a milder climate for most of the year. D. City B will have a milder climate for most of the year.
C. City A will have a milder climate for most of the year.
A biological catalyst that speeds up chemical reactions by lowering the activation energy is a(n) A. Nucleic acid B. ATP C. Enzyme D. Mitochondrion E. Macromolecule
C. Enzyme
Aside from Earth, the only other planet in the solar system that lies in the habitable zone is A. Venus B. Mercury C. Mars D. Jupiter E.All planets that orbit a star reside in the habitable zone by definition
C. Mars
After replication, the double helix is composed of A. Two old or new strands. B. Bit of an old strand, mixed with bits of a new strand. C. One old strand, and one new strand. D. Both DNA and RNA.
C. One old strand, and one new strand.
Which organisms are part of 4's lineage A. A, 1,2, and 3 B. A, 2, and 3 C. Only A D. None are a part of the same lineage.
C. Only A
Internal compartments that are the site of specific parts of a cells metabolism are called A. Nooks B. Crannies C. Organelles D. Organs E. Tissues
C. Organelles
Feldspar is a silicate, and it makes up approximately half of the crust like all silicates it contains A. Silicon and carbon B. Silicon and calcium C. Silicon and oxygen D. Silicon and iron E. Silicon and some other random element
C. Silicon and oxygen
Which of the following is an example of climate change? A. Last winter had several days below, freezing in Georgia. B. Rainfall in California was near record high levels this year. C. The number of severe drought has increased in recent decades. D. A volcano in Sumatra erupted twice last year.
C. The number of severe drought has increased in recent decades
What causes the seasons? A. The Earth is closer to the sun during warmer months. B. The moon reflects additional heat in Midsummer. C. The tilt of the Earth as it orbits the sun. D. Venus block some radiation during the winter. E. Global wind patterns, cold in the winter and warm in the summer.
C. The tilt of the Earth as it orbits the sun.
What do glaciers do in an ice age? A. They move faster toward the sea B. They cover the entire earth C. They advance towards the equator D. They become denser
C. They advance towards the equator
The _________ Contains the majority of the atmospheres, gas molecules, and it is the _________ layer A. Troposphere, thickest B. Stratosphere, thickest C. Troposphere, thinnest D. Stratosphere, thinnest E. Mesosphere, thickest
C. Troposphere, thinnest
In a scientific experiment a control is... A. a test that duplicates an experiential test except for one variable B. a way to study the effects of just one experimental variable C. both A and B D. neither A or B
C. both A and B
Each second, the burning Sun's mass C. decreases B. increases C. remains unchanged
C. decreases
We do not see stars in the daytime because A. the sun is between the Earth and stars B. they simply don't exist in the daytime part of the sky C. sunlight overwhelms starlight D. of the lack of contrast with moonlight E. The solar wind obscures their view
C. sunlight overwhelms starlight
Why is Mars' greenhouse effect negligible compared to that of Earth's? A. its mass is only one-ninth of Earth's B. greenhouse gas emissions were greatly curtailed according to the international Mars greenhouse gas reduction treaty of 2003 C. the Martian atmosphere is much thinner and retains little heat D. Martian carbon dioxide contains rare isotope with little ability to trap heat
C. the Martian atmosphere is much thinner and retains little heat
If the sun passes between the moon and the Earth, we have A. solar eclipse B. lunar eclipse C. the end of the world
C. the end of the world
Examining a piece of gneiss you noticed that all of the mineral crystals are aligned in the same direction. This is an example of A. Sedimentary layers B. An igneous rock that called slowly C. A Chemical rock D. A foliated rock
D. A foliated rock
The earths biosphere includes portions of the A. Lithosphere B. Hydrosphere C. Atmosphere. D. All of the above
D. All of the above
Which types of rocks can undergo metamorphism? A. Igneous B. Sedimentary C. Metamorphic D. All of the above
D. All of the above
The atoms in apatite are bonded to each other, more strongly than the atoms in fluorite. Based on this you can state. A. Fluorite has lower luster than apatite B. For fluoride to scratch apatite, it will take high pressure C. Apatite is more likely to cleave than fluorite. D. Apatite will scratch fluorite E. Apatite is more likely to fracture than fluorite
D. Apatite will scratch fluorite
The study of living organisms and their interactions is A. Botany B. Ecology. C. Zoology. D. Biology.
D. Biology
Which layers of the Earth will flow due to its non-rigid nature A. The outer core B. The asthenosphere C. The lower mantle D. Both A and B E. Both B and C
D. Both A and B
The modern way to classify organisms and discuss evolutionarily relationships between them is to A. Examine features lacking in one group compared to another. B. Group organisms based on shared physical characteristics. C. Combine ecological and behavioral traits. D. Compare DNA, RNA and proteins sequences.
D. Compare DNA, RNA and proteins sequences.
This specific name for an organism comes from its A. Class and order B. Order and species. C. Family and genus. D. Genus and species. E. Species and phylum.
D. Genus and species.
Inhumans chromosome seven is an Autosome without any other information what can you say about those chromosome A. Males have one copy and females have two B. It contains the gene that encode eye color. C. There's chromosome is not essential. D. It is not involved in sex determination.
D. It is not involved in sex determination.
Which of the following would disqualify a substance from being called a mineral? A. It can be produced in a lab. B. It has a crystalline structure. C. It can melt to form a liquid. D. It's chemical formula varies.
D. It's chemical formula varies.
Tay-Sachs is a little genetic disorder, patients die due to the buildup of lipid waste that the cells cannot break down efficiently, which organelle is defective in these patients A. Nucleus B. Ribosome C. Rough ER D. Lysosome E. Golgi body
D. Lysosome
Nuclear division is___________ and cytoplasmic division is___________ A. Mitosis; meiosis B. Cytokinesis; mitosis C. Meiosis; cytokinesis D. Mitosis; cytokinesis E. Meiosis; mitosis
D. Mitosis; cytokinesis
The symbolic relationship between humans and dogs can be described as A. Parasitic B. Commensal C. Inverted. D. Mutualistic.
D. Mutualistic.
If you wanted to collect basalt, where would be the best place to mine ignore technical difficulties for this in focus on where most basalt is located A. The lower mantle B. Continental crust C. The upper mantle D. Oceanic crust E. The inner core
D. Oceanic crust
Why does the stratosphere become warmer as altitude increases A. Gases become more dense. B. Exhaust from airplanes warms it C. Ionic radiation from the northern lights is prominent there. D. Ozone absorbed in coming radiation. E. Less heat is lost to the ocean with increasing distance.
D. Ozone absorbs, incoming radiation
The enzyme that performs transcription is_________, while the enzyme that performs replication is___________ A. DNA polymerase, the Ribosome B. The ribosome, RNA polymerase. C. RNA polymerase, the ribosome D. RNA polymerase, DNA polymerase.
D. RNA polymerase, DNA polymerase.
The intensity with which light strikes the Earth is highest at A. Latitude greater than 60° B. The prime meridian. C. Longitudes intersecting the poles D. The equator E. The intensity is the same regardless of location
D. The equator
A star located at B is ____________ compared to a star located at C A. hotter B. cooler C. more luminous D. both hotter and more luminous E. both cooler and more luminous
D. both hotter and more luminous
The Y-axis represents the __________ of the star A. brightness B. temperature C. size D. luminosity E. fuel used
D. luminosity
The gold in Uncle Harry's teeth fillings originated in A. the deep interior of the Earth B. Fusion process that date back about 5.5 billion years C. the Big Bang D. stars that blew up eons ago E. Fort Knox
D. stars that blew up eons ago
Which structure would you expect to find in a plant cell but not in an animal cell? A. Chloroplast B. Vacuole C. Cell wall D. Both A and B E. All the above
E. All the above
Which of the following is the least reliable way to identify a mineral A. Streak B. Specific gravity C. Luster D. Hardness. E. Color
E. Color
A rift valley runs through Iceland. This is A. Oceanic-oceanic convergent boundary B. Oceanic-continental convergent boundary C. Transform boundary D. Subduction zone E. Divergent boundary
E. Divergent boundary
Which star will remain an active star for the longest period of time? A. A B. B C. C D. D E. E
E. E
A group of related genre the plural of genus are placed together in a A. Order B. Class C. Phylum D. Species E. Family
E. Family
Iowa in the central US is far from any tectonic boundaries in the lithosphere, which of the following events would you expect to occur there? A. Volcanoes B. Earthquakes C. Formation of new mountain ranges D. All are likely E. None of the above are likely
E. None of the above are likely
Which structure is essential for a cell to maintain homeostasis A. Nucleus B. Golgi body C. Ribosome D. Lysosome E. Plasma membrane
E. Plasma membrane
Layers seen in sedimentary rock are called A. Bands B. Ribbons C. Recurrents D. Seams E. Strata
E. Strata
When in the cell cycle are chromosomes replicated A. Prophase B. Telophase C. Anaphase D. Metaphase E. Synthesis (S) phase
E. Synthesis (S) phase
Most weather occurs in which layer of the atmosphere A. Thermosphere B. Stratosphere C. Exosphere D. Ionosphere E. Troposphere
E. Troposphere
Which of the following would not be considered a major element used as fuel in the core of a star located at D A. hydrogen B. helium C. lithium D. boron E. carbon
E. carbon
In _____________ energy spreads through neighboring molecules while in _________ energy spreads through the movement of molecules from one place to another. A. Radiation, convection B. convention, conduction C. conduction, radiation D. convection, radiation E. conduction, convection
E. conduction, convection
The universe is A. Maintaining a constant size B. slowly shrinking C. shrinking at an accelerating rate D. slowly expanding E. expanding at an accelerating rate
E. expanding at an accelerating rate
Place the steps of the scientific method in the correct order. A. Hypothesis, observation, analysis, experiment B. Experiment, observation, analysis, hypothesis C. hypothesis, experiment, observation, analysis D. analysis, experiment, observation, hypothesis E. observation, hypothesis, experiment, analysis
E. observation, hypothesis, experiment, analysis
A black hole could be formed by a A. massive star B. brown dwarf C. neutron star D. pulsar E. supermassive star
E. supermassive star