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100
Where is the spinal trigeminal nucleus located?
[ "cerebrum", "pons", "medulla", "spinal cord" ]
C
101
The lithosphere is divided into a dozen major and several minor what?
[ "zones", "faults", "plates", "crystals" ]
C
102
During the first year after birth, what is a baby called?
[ "newborn", "toddler", "fetus", "infant" ]
D
103
What are used to indicate the number of atoms of an element that are in the compound?
[ "digits", "indices", "prefixes", "suffixes" ]
C
104
Area, volume, and speed are all examples of what type of units?
[ "derived units", "calculated measure", "fundamental units", "known units" ]
A
105
Anything moving has what type of energy?
[ "thermal", "potential", "magnetic", "kinetic" ]
D
106
A skydiver will reach what when the air drag equals their weight?
[ "constant velocity", "building velocity", "terminal velocity", "ending velocity" ]
C
107
What organs are considered the female gonads?
[ "testes", "uterus", "fallopian tubes", "ovaries" ]
D
108
What is the adaptation that certain animals use to become less visible to predators and prey?
[ "insulation", "speed", "camouflage", "skeletons" ]
C
109
What is another term for blood clotting?
[ "adulation", "coagulation", "differentiation", "oxidation" ]
B
110
What do you call the study of how organisms interact with their environment and each other?
[ "climatology", "biology", "biochemistry", "ecology" ]
D
111
Childbirth usually starts when which sac breaks?
[ "umbilical", "uterine", "amniotic", "protein" ]
C
112
What phenomenon, which is most important in small populations, occurs because the alleles in an offspring generation are a random sample of the alleles in the parent generation?
[ "genetic code", "genetic DNA", "genetic mutation", "genetic drift" ]
D
113
What is the term for when an embryo fixes itself to the side of the uterus?
[ "implantation", "exploration", "bacterial", "parasite" ]
A
114
When exposed to ultraviolet, some substances, such as minerals, glow in characteristic visible wavelengths, a process called this?
[ "chemical reaction", "plasma", "pigment", "fluorescence" ]
D
115
What disease occurs when the cell cycle is no longer regulated?
[ "malnutrition", "cancer", "allergy", "schizophrenia" ]
B
116
If a lump of clay is dropped into water, what will occur?
[ "Will break up", "Will float", "Will dissolve", "it will sink" ]
D
117
Nerve cells that sense touch are found mainly where?
[ "skin", "lungs", "brain", "stomach" ]
A
118
What do concentric circles on a topographic map indicate?
[ "a hill", "a lake", "a crater", "a forest" ]
A
119
Arthropods today have two unusual hox genes, both of which influence what?
[ "segmentation", "compression", "reproduction", "motility" ]
A
120
What are the little sacs at the end of the bronchioles called?
[ "ganglion", "respiratory sacs", "lung", "alveoli" ]
D
121
How often should women perform a breast self-exam?
[ "weekly", "yearly", "monthly", "quarterly" ]
C
122
The spokes of what structures that distinguish saturn appear seasonally, with an origin as yet unknown?
[ "craters", "satellites", "rings", "moons" ]
C
123
Circulating the air prevents ethylene from accumulating, and carbon dioxide inhibits synthesis of new what?
[ "sulfur", "cellulose", "alcohol", "ethylene" ]
D
124
What is a fiber that is found only in mammals?
[ "feathers", "hair", "muscle", "muscle" ]
B
125
The sternocleidomastoid is the major muscle that laterally flexes and rotates what?
[ "head", "eye", "tongue", "knee" ]
A
126
What type of plants does human welfare depend greatly on?
[ "ferns", "seed plants", "fertilizer plants", "mosses" ]
B
127
What forms when secondary alcohols oxidize?
[ "chromosomes", "ions", "ketones", "electrons" ]
C
128
What are cells without a nucleus called?
[ "Monocyte Cells", "prokaryotic cells", "crustal cells", "heterogeneous cells" ]
B
129
Bones, cartilage, and what other thing make up the skeletal system?
[ "organs", "muscles", "ligaments", "lungs" ]
C
130
The hypothalamus is actually part of the brain, but it also secretes what?
[ "enzymes", "hormones", "acids", "electrolytes" ]
B
131
What disease characterized by the extreme swelling of the limbs is caused by infection with a type of roundworm?
[ "elephantiasis", "fibrosis", "gigantism", "pulmonary edema" ]
A
132
What is the study of water movement, including waves and ocean currents?
[ "theoretical oceanography", "thermal oceanography", "physical oceanography", "experimental oceanography" ]
C
133
What part of the sperm contains the nucleus?
[ "head", "tail", "nucleus", "body" ]
A
134
There are many types of asexual spores. conidiospores are unicellular or multicellular spores that are released directly from the tip or side of this?
[ "ganglion", "hypha", "goychay", "idioma" ]
B
135
What forms when nitrogen and sulfur oxides in air dissolve in rain?
[ "acid snow", "acid rain", "dioxide rain", "carbon rain" ]
B
136
Where do mushrooms get their energy?
[ "decomposing dead organisms", "producing dead organisms", "killing organisms", "accumulating dead organisms" ]
A
137
What are the hormones that cause a plant to grow?
[ "sporozoans", "pistills", "gibberellins", "pores" ]
C
138
The ileum is the last part of what digestive system organ?
[ "esophagus", "large intestine", "stomach", "small intestine" ]
D
139
What are the smallest structural and functional unit of all living organisms?
[ "lipids", "proteins", "neutrons", "cells" ]
D
140
Clubfoot, also known as talipes, is a congenital (present at birth) disorder of unknown cause and is the most common deformity of what?
[ "upper limb", "lower limb", "cranium", "genitals" ]
B
141
Somatic cells come from the body and are not what, like sperm or eggs are?
[ "spores", "organic", "toxins", "gametes" ]
D
142
What forms when nitrogen and oxygen combine at high temperatures?
[ "hydrocarbons", "calcium oxides", "nitric acid", "nitrogen oxides" ]
D
143
A diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width is called?
[ "circle graph", "venn diagram", "bar graph", "pie chart" ]
C
144
What opens two strands of dna?
[ "chromosome", "helicase", "replication", "adenylate" ]
B
145
What come together to create continents and supercontinents?
[ "islands", "microcontinents", "volcanic sediment", "mountains" ]
B
146
Most hybrids are sterile because what genetic structures are not homologous and cannot pair during meiosis?
[ "ribosomes", "chromosomes", "zygotes", "phenotypes" ]
B
147
Vultures, raccoons and blowflies are examples of what?
[ "predator", "producer", "scavengers", "consumer" ]
C
148
What are classified by climatic factors and types of primary producers?
[ "equivalent biomes", "old biomes", "fossil biomes", "terrestrial biomes" ]
D
149
All organisms can be classified into one of three of this least specific grouping?
[ "aspects", "phlylum", "species", "domains" ]
D
150
What artery takes blood to the brain?
[ "pulmonary", "coronary", "veins", "carotid" ]
D
151
The bohr model works only for which atom?
[ "helium", "carbon", "boron", "hydrogen" ]
D
152
What holds together adenine and thymine?
[ "hydrogen bonds", "covalent bonds", "potassium bonds", "helium bonds" ]
A
153
Approximately 20% of the atmosphere is made of which element?
[ "hydrogen", "nitrogen", "carbon", "oxygen" ]
D
154
Compound forms when atoms of nonmetals form molecules that are held together by what?
[ "dissonance bonds", "covalent bonds", "magnetic bonds", "phenotype bonds" ]
B
155
Which property of diamond makes it so hard?
[ "non-covalent bonds", "carbon bonds", "metal-metal bonds", "chemical bonds" ]
D
156
Which has a higher metabolic rate, a mouse or an elephant?
[ "mouse", "rat", "elephant", "rabbit" ]
A
157
The bony socket that houses the eyeball and associated muscles is called?
[ "cavity", "orbit", "acetabulum", "glenoid fossa" ]
B
158
Where does the energy produced by plants come from?
[ "evaporation", "sunlight", "groundwater", "animals" ]
B
159
Humans cannot digest what primary structural material of plants, which is one of the most abundant organic substances on earth?
[ "zinc", "carbonate", "cellulose", "sulfur" ]
C
160
The cell walls of what organisms are strengthened by chitin, unlike plant cell walls, which contain cellulose?
[ "virus", "bacterium", "yeast", "fungi" ]
D
161
What three parts is the earth divided into?
[ "oceans, land, air", "troposphere, atomosphere, xerosphere", "crust, core, magma", "crust, mantle, core" ]
D
162
Ac is better than dc for doing what?
[ "cooking electrcal energy", "stopping electrical ebergy", "storing electrical energy", "transporting electrcal energy" ]
D
163
What arises due to crossing over, independent assortment, and the random union of gametes?
[ "susceptible variation", "recessive variation", "genetic variation", "alternative variation" ]
C
164
Myofibrils are long cylindrical structures that lie parallel to and run the entire length of what fibers?
[ "heart muscle fibers", "skeletal muscle fibers", "luminous muscle fibers", "uplift muscle fibers" ]
B
165
Hydrogen atoms form only one covalent bond because they have only one have one of what to pair with it?
[ "loops electron", "valence electron", "modular electron", "Water electron" ]
B
166
The ionic end of a detergent can either be a sulfate or what?
[ "calcite", "phosphate", "molecule", "sulfonate" ]
D
167
The inside of the small intestine has many folds, called villi. microvilli are lined with blood vessels as well as lymphatic vessels. the inside of the small intestine is called this?
[ "porous", "lumen", "reticular", "osmotic" ]
B
168
Why do fish have short esophaguses?
[ "no intestines", "no mouths", "big tail", "no lungs" ]
D
169
What broad animal group is thought to have evolved from theropod dinosaurs around 150 million years ago?
[ "insects", "birds", "mammals", "reptiles" ]
B
170
During evolution, something happened to increase the size of what organ in humans, relative to that of the chimpanzee?
[ "brain", "liver", "stomach", "lung" ]
A
171
What is the protein in red blood cells which transports oxygen around the body?
[ "plasma", "hematocrit", "hemoglobin", "hydrogen" ]
C
172
The glass hydrometer is filled with air and weighted with lead at the bottom. it floats highest in the densest fluids and has been calibrated and labeled so that you can read this from it?
[ "volume", "specific gravity", "density", "mass" ]
B
173
What system provides a major route for heat flow between the interior and exterior of the body?
[ "the circulatory system", "nervous system", "respiratory system", "excretory system" ]
A
174
Organs involved in digestion that do not have food pass through them are called?
[ "vestigial organs", "accessory organs", "layer organs", "bypass organs" ]
B
175
At a synapse, what objects are released to carry a nerve impulse from one neuron to the next?
[ "viruses", "microorganisms", "neurotransmitters", "receptors" ]
C
176
All cells have a jellylike substance in which subcellular components are suspended. what is that substance?
[ "cortisol", "cytosol", "plasma", "glycerol" ]
B
177
In physics, when one subtracts the frictional force from the applied force what is the result?
[ "quarter force", "net force", "kinetic force", "rolled force" ]
B
178
What is the term for the force that brings objects toward the earth?
[ "weight", "centrifugal", "gravity", "light" ]
C
179
Skyscrapers and other large structures built on soft ground must be anchored to what, located below the ground surface?
[ "groundwater", "ocean floor", "water table", "bedrock" ]
D
180
When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in what?
[ "height", "weight", "surface", "diameter" ]
D
181
Ingestion and propulsion are the first two steps in which process that describes how humans process and consume food?
[ "digestion", "regeneration", "respiration", "absorption" ]
A
182
Which fish has a round sucker used to suck the blood of other fish?
[ "shark", "moray", "lamprey", "abalone" ]
C
183
What type of change is undergone when the physical properties of a substance are changed?
[ "genetic", "atmospheric", "thermal", "physical" ]
D
184
Digestive enzymes are released, or secreted, by the organs of which body system?
[ "endocrine system", "digestive system", "nervous system", "urinary system" ]
B
185
When water is aerated it can provide a plant's roots with what gas for cellular respiration?
[ "carbon", "carbon dioxide", "oxygen", "nitrogen" ]
C
186
Where on a jellyfish is the mouth opening located?
[ "underside", "left side", "top", "right side" ]
A
187
Calcium ion is an example of what kind of messenger?
[ "second", "third", "fourth", "first" ]
A
188
Aspirin and ibuprofen reduce pain by inhibiting the synthesis of what?
[ "lipids", "hormones", "prostaglandins", "triglycerides" ]
C
189
What unit do astronomers use to describe distances in space?
[ "light months", "quantum years", "gravity years", "light years" ]
D
190
What is the process by which water moves through semi-permeable membranes from one part of the body to another?
[ "osmosis", "mitosis", "electrolysis", "diffusion" ]
A
191
What is the phenotypic range of a particular genotype called?
[ "diversity", "range of motion", "natural selection", "norm of reaction" ]
D
192
What cells are the basis of nervous tissue?
[ "osteoclasts", "neurons", "erythrocytes", "lipocytes" ]
B
193
Pure carbon can exist in different forms, depending on how its atoms are arranged. the forms include diamond, graphite, and what else?
[ "ligands", "calcites", "lead", "fullerenes" ]
D
194
Which cavity, filled with lubricating serous fluid, lies between the epicardium and the pericardium?
[ "thoracic cavity", "oral cavity", "cranial cavity", "pericardial cavity" ]
D
195
What part of the male reproductive system is involved with the most common disorders?
[ "the ureter", "the testes", "the glans", "the penis" ]
B
196
Layers of what create a volcano?
[ "crust", "lava", "rock", "limestone" ]
B
197
In amphibians, reptiles, birds, and mammals, blood flow is directed in two circuits: one through the lungs and back to the heart, which is called what?
[ "pulmonary circulation", "metabolic circulation", "systemic circulation", "sensory circulation" ]
A
198
Non-human organisms that mainly consume plants/other primary producers are known as what?
[ "herbivores", "omnivores", "carnivores", "amphibians" ]
A
199
In the microbiology lab, what technique refers to the procedures that are carried out under sterile conditions?
[ "experimental control", "aseptic", "personal hygiene", "ionization" ]
B