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What are elements that generally do not conduct electricity?
A. iron
B. nonmetals
C. metal
D. copper
Answer:
|
B
|
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|
Superconductors expel a magnetic field from their interior. what is this phenomenon known as?
A. lauer effect
B. meissner effect
C. eibner effect
D. weissenberg effect
Answer:
|
B
|
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|
Continually increasing the pressure on the liquid will eventually cause the substance to do what?
A. transform
B. erode
C. solidify
D. explode
Answer:
|
C
|
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|
Hypersensitivity may refer to a maladaptive response of what system toward a harmless foreign substance?
A. System
B. brain
C. immune
D. oxygen
Answer:
|
C
|
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|
Similarity that results from common ancestry is known as what?
A. heterogeny
B. affinity
C. homology
D. duality
Answer:
|
C
|
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|
We all start as a single cell and soon grow into what?
A. embryo
B. uterus
C. nucleus
D. egg
Answer:
|
A
|
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|
Which acid contains only one ionizable hydrogen?
A. citric acid
B. lactic acid
C. monoprotic acid
D. amino acid
Answer:
|
C
|
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|
The epidermis is made of which closely packed cells?
A. muscle cells
B. nerve cells
C. epithelial cells
D. cancer cells
Answer:
|
C
|
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|
What is a double membrane of the nucleus that encloses the genetic material?
A. cell membrane
B. cell wall
C. nuclear enevelope
D. nuclear wall
Answer:
|
C
|
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|
What effect does changing temperature have on a system at equilibrium?
A. energy
B. movement
C. stress
D. the height
Answer:
|
C
|
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|
What type of cancer can the use of tanning beds lead to?
A. tissue cancer
B. breast cancer
C. skin cancer
D. brain cancer
Answer:
|
C
|
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|
Organisms tend to be larger in size at higher what levels?
A. trophic
B. Secondary Layer
C. benthic
D. proteolytic
Answer:
|
A
|
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|
A major step in animal evolution was the evolution of what rigid rod that runs the length of the body?
A. endoderm
B. notochord
C. limbic system
D. mitochondria
Answer:
|
B
|
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|
What is the name of the process that refers to the balance or equilibrium within the cell or a body?
A. hypothesis
B. static
C. homeostasis
D. determinants
Answer:
|
C
|
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|
What is the clear, protective covering on the outside of the eye?
A. cornea
B. retina
C. iris
D. vitreous fluid
Answer:
|
A
|
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|
Deeper layers of rock must be older than layers closer to the surface, this is the law of what?
A. erosion
B. diffraction
C. superposition
D. flux
Answer:
|
C
|
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|
Dentists occasionally use metallic mixtures called amalgams for what?
A. braces
B. tools
C. anesthesia
D. fillings
Answer:
|
D
|
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|
Which infection turns ant's abdomen red and fruit-like and an easy prey for birds?
A. neotropicum
B. cocklebur
C. trichina
D. yeast
Answer:
|
A
|
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|
What do mitochondrions have an inner and outer version of?
A. Molecule
B. Fatty Acids
C. membrane
D. protein
Answer:
|
C
|
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|
Resistance to pesticides in a population of insects is an example of what?
A. extinction
B. redistributions
C. macroevolution
D. microevolution
Answer:
|
D
|
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|
What expresses the mass of substance in terms of the volume occupied by the substance?
A. diameter
B. frequency
C. density
D. velocity
Answer:
|
C
|
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|
What organ is the hypothalamus a part of?
A. heart
B. brain
C. Nervous system
D. liver
Answer:
|
B
|
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|
Urea, ammonia and uric acid are types of what waste, excreted in different forms by different species?
A. nitrogenous waste
B. carbon waste
C. fecal waste
D. methane waste
Answer:
|
A
|
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|
Besides tasting food, what organ is necessary for mastication, deglutition (swallowing), and speech?
A. tongue
B. throat
C. mouth
D. larnyx
Answer:
|
A
|
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|
What is transmitted by moving electrons in an electric current?
A. potential energy
B. subsequent energy
C. stellar energy
D. electrical energy
Answer:
|
D
|
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|
What happens if a molecule forms strong bonds to the catalyst?
A. catalyst gets poisoned
B. membrane gets poisoned
C. surface gets poisoned
D. molecules gets poisoned
Answer:
|
A
|
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|
In general, kinetic energy is the form of energy powering any type of matter in motion, while the energy of position is called what?
A. potential energy
B. magnetic energy
C. mechanical energy
D. thermal energy
Answer:
|
A
|
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|
What event occurs between the two solstices?
A. Leap Year
B. Christmas
C. equinox
D. summer
Answer:
|
C
|
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|
Alveoli can be found in which organ in the human body?
A. Stomach
B. Liver
C. lungs
D. Heart
Answer:
|
C
|
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|
About one-fourth of the blood pumped with each heartbeat enters arteries serving what organs of digestion?
A. lungs
B. intestines
C. bowels
D. stomach
Answer:
|
B
|
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|
The paired bones of the skull are the palatine, zygomatic, nasal, lacrimal, inferior nasal conchae bones, and what else?
A. minilla
B. elongated
C. maxilla
D. ventral
Answer:
|
C
|
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|
Each muscle fiber contains hundreds of organelles called what?
A. myofibrils
B. pores
C. slow twitch fibres
D. fast glycolytic fibres
Answer:
|
A
|
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|
The common cold and flu are examples of human diseases caused by what tiny particles?
A. viruses
B. infections
C. parasites
D. bacteria
Answer:
|
A
|
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|
What are the two layers of the skin?
A. dermis and epithelial
B. epithelial and endometrial
C. epidermis and dermis
D. sebaceous and salivary
Answer:
|
C
|
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|
Light can be used to eject what from a solid material?
A. protons
B. calories
C. neutrons
D. electrons
Answer:
|
D
|
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|
What element is a biochemical compound based on?
A. oxygen
B. hydrogen
C. carbon
D. nitrogen
Answer:
|
C
|
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|
The amniotic sac is attached to what?
A. uterus
B. Stomach
C. Umbilical Cord
D. placenta
Answer:
|
D
|
sciq
|
Which type of respiration helps organisms generate quick bursts of speed, as opposed to long steady movement?
A. insertion respiration
B. anabolic respiration
C. anaerobic respiration
D. digestion respiration
Answer:
|
C
|
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|
When matter reacts, there can be what that comes from nowhere and is unaccounted for?
A. bonds
B. mass
C. concentrations
D. combustions
Answer:
|
B
|
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|
What is located at about 80 degrees north latitude?
A. the equator
B. alaska
C. india
D. the north pole
Answer:
|
D
|
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|
What is a byproduct from the combustion of fossil fuels like coal and gasoline?
A. nitrogen dioxide
B. aluminum oxide
C. alcohol
D. carbon monoxide
Answer:
|
A
|
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|
What can damage animal tissues?
A. wind erosion
B. extreme pressure or temperature
C. acid and water exposure
D. nervous stress
Answer:
|
B
|
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|
Along with other functions, what do carbohydrates, proteins, and lipids provide for the body?
A. muscle
B. hydrogen
C. energy
D. carbon
Answer:
|
C
|
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|
What system of the body uses amylase and pepsin in its functioning?
A. respiratory system
B. hormonal system
C. circulatory system
D. digestive system
Answer:
|
D
|
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|
What are genes located on the sex chromosomes called?
A. diploid genes
B. sex-linked genes
C. autosomes
D. dimorphism - linked genes
Answer:
|
B
|
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|
The posterior pituitary releases which hormone, which stimulates uterine contractions during childbirth?
A. insulin
B. oxytocin
C. estrogen
D. estradiol
Answer:
|
B
|
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|
What consists mainly of parenchymal cells with chloroplasts?
A. mitochondria
B. periosteum
C. mesophyll
D. chlorophyll
Answer:
|
C
|
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|
What is the movement of animals from one place to another?
A. population
B. migration
C. trade
D. communication
Answer:
|
B
|
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|
Twin studies have been instrumental in demonstrating what type of component in autism?
A. natural
B. internal
C. bacterial
D. environmental
Answer:
|
D
|
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|
What is a measure of the size of sound waves?
A. wavelength
B. amplitude
C. voltage
D. frequency
Answer:
|
B
|
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|
Covalent compounds form individual molecules rather than what?
A. atoms
B. chemicals
C. carbon
D. crystals
Answer:
|
D
|
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|
Winds are caused by differences in what?
A. air pressure
B. temperature
C. elevation
D. water pressure
Answer:
|
A
|
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|
What is generated when a heart ventricle contracts?
A. artery pressure
B. blood pressure
C. blood force
D. vein pressure
Answer:
|
B
|
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|
What area beneath the earth's surface do magma collects?
A. erosion chambers
B. underneath chambers
C. hot chambers
D. magma chambers
Answer:
|
D
|
sciq
|
What develop inside chambers called ovaries, which originate within flowers and mature into fruits?
A. tomoxia seeds
B. pollen seeds
C. trematode seeds
D. angiosperm seeds
Answer:
|
D
|
sciq
|
What kind of lakes form when volcanic eruptions create holes that fill with water?
A. novel lakes
B. formation lakes
C. crater lakes
D. artificial lakes
Answer:
|
C
|
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|
The size of the solute particles determines the rate of what?
A. dissolving
B. solution
C. extracting
D. merging
Answer:
|
A
|
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|
The vas deferens and ejaculatory ducts are part of what system?
A. male reproductive system
B. female adaptive system
C. male circulatory system
D. female reproductive system
Answer:
|
A
|
sciq
|
What part of an egg contains the genetic material ?
A. here.the nucleus
B. the fetus
C. the nucleus
D. the sperm
Answer:
|
C
|
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|
Bees and other wild animals perform what function on flowering plants, making them vital for crop reproduction?
A. fertilizer
B. pesticide
C. pollenation
D. irrigation
Answer:
|
C
|
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|
What does the sebaceous gland secrete which waterproofs the skin and hair?
A. progesterone
B. sebum
C. pus
D. collagen
Answer:
|
B
|
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|
What water is about 3.5% salt?
A. seawater
B. spring water
C. fresh water
D. glacial water
Answer:
|
A
|
sciq
|
Catabolic and anabolic hormones in the body help regulate these?
A. brain signals
B. metabolic processes
C. hormone levels
D. nutrient levels
Answer:
|
B
|
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|
Food chains and what describe the transfer of energy within an ecosystem, from one organism to another?
A. spider webs
B. fuel webs
C. food webs
D. the webs
Answer:
|
C
|
sciq
|
The type of eruption a volcano has depends on the type of what in its chamber?
A. magma
B. core
C. funnel
D. cavity
Answer:
|
A
|
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|
What organ has four ventricles, all of which developed from the original hollow space within the neural tube?
A. liver
B. bladder
C. heart
D. brain
Answer:
|
D
|
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|
The cell theory and the theory of evolution by natural selection are basic to all fields in what branch of science?
A. zoology
B. chemistry
C. rock science
D. life science
Answer:
|
D
|
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|
How many types of antigens can an antibody match?
A. one
B. four
C. two
D. infinite
Answer:
|
A
|
sciq
|
What do drugs that alleviate symptoms of schizophrenia block?
A. dopamine receptors
B. adrenaline receptors
C. ephedrine receptors
D. histamine receptors
Answer:
|
A
|
sciq
|
What destroys the filtered pathogens?
A. antibodies
B. parasites
C. lymphocytes
D. neutrophils
Answer:
|
C
|
sciq
|
A device that produces a very focused beam of visible light of just one wavelength and color is called?
A. prism
B. mirror
C. laser
D. microwave
Answer:
|
C
|
sciq
|
The second step in eukaryotic cell division is division of which part of the cell?
A. nucleus
B. molecules
C. protons
D. Cell Division
Answer:
|
A
|
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|
Approximately how many galaxies are there in the universe?
A. about a hundred billion
B. an infinite number
C. an octillion
D. a trillion
Answer:
|
A
|
sciq
|
What theory of evolution is charles darwin most known for?
A. natural selection
B. immoral selection
C. natural change
D. natural variety
Answer:
|
A
|
sciq
|
What organ system is different in men and women?
A. lymphatic organs
B. respratory organs
C. reproductive organs
D. nervous organs
Answer:
|
C
|
sciq
|
Why do effusive eruptions rarely kill anyone?
A. They are minor
B. They are low temperature
C. They occur rarely
D. they move slowly
Answer:
|
D
|
sciq
|
What are hot fragments of rock called?
A. pyroclasts
B. shards
C. magma
D. obsidian
Answer:
|
A
|
sciq
|
Unevenness or asymmetry in the focus of the eye describes what visual defect?
A. astigmatism
B. hyperopia
C. presbyopia
D. myopia
Answer:
|
A
|
sciq
|
The addition of electron gives the halide ions the same electron configuration as what gas?
A. a flammable gas
B. an inert gas
C. a noble gas
D. a fatty gas
Answer:
|
C
|
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|
Partially decayed remains of plants and animals form the organic portion of what?
A. grasses
B. nutrients
C. soil
D. minerals
Answer:
|
C
|
sciq
|
Where is the most significant connection between the cerebellum and the rest of the brain?
A. at the meninges
B. at the cerebrum
C. at the medulla oblongata
D. at the pons
Answer:
|
D
|
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|
What do you call the daily changes in the level of ocean water?
A. waves
B. shores
C. tides
D. currents
Answer:
|
C
|
sciq
|
What are the specialized building blocks of your body?
A. proteins
B. muscles
C. cells
D. tissues
Answer:
|
C
|
sciq
|
What do plants make to store extra glucose?
A. water
B. fats
C. starches
D. sugars
Answer:
|
C
|
sciq
|
Sand dunes migrate when sand is blown up a slope and this force pulls it down the other side?
A. gravity
B. earthquakes
C. air pressure
D. spin
Answer:
|
A
|
sciq
|
Inside each lymph node is a honeycomb of connective tissue with spaces filled by what?
A. hemoglobin
B. white blood cells
C. red blood cells
D. platelets
Answer:
|
B
|
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|
What "apparatus" is responsible for sorting, modifying, and shipping off the products that come from the rough endoplasmic reticulum?
A. plasma apparatus
B. receptor apparatus
C. secretion apparatus
D. golgi apparatus
Answer:
|
D
|
sciq
|
When two haploid gametes unite during fertilization they form what?
A. haploid cell
B. a diploid cell
C. a fertilized cell
D. a mutated cell
Answer:
|
B
|
sciq
|
What kind of phenotype results in a case of incomplete dominance?
A. backward phenotype
B. intermediate phenotype
C. short phenotype
D. long phenotype
Answer:
|
B
|
sciq
|
Chloroplasts, chromoplasts, and leucoplasts are all plastids, organelles found in what kind of cells?
A. animal cells
B. lung cells
C. heart cells
D. plant cells
Answer:
|
D
|
sciq
|
What is the attraction of a particular atom for the electrons of a covalent bond called?
A. conductivity
B. ionization
C. electromagnetism
D. electronegativity
Answer:
|
D
|
sciq
|
How many continents do birds breed on?
A. 4
B. 3
C. 2
D. 7
Answer:
|
D
|
sciq
|
Dna consists of how many long chains of nucleotides?
A. two
B. zero
C. one
D. three
Answer:
|
A
|
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|
What is the transition from liquid to gas is called?
A. condensing
B. melting
C. freezing
D. boiling
Answer:
|
D
|
sciq
|
What is inside the plasma membrane of a prokaryotic cell?
A. alkaline
B. electron
C. cytoplasm
D. protoplasm
Answer:
|
C
|
sciq
|
When the helium is gone, the stars become what?
A. red giants
B. white dwarfs
C. comets
D. yellow dwarfs
Answer:
|
B
|
sciq
|
What is the change of state from a solid to a gas without passing through the liquid state?
A. neutralization
B. sublimation
C. vaporization
D. speciation
Answer:
|
B
|
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|
What type of cells are gametes?
A. proteins
B. cardiac
C. immune
D. reproductive
Answer:
|
D
|
sciq
|
What is the touch response in plants called?
A. pollenation
B. phototropism
C. sensitivity
D. thigmotropism
Answer:
|
D
|
sciq
|
Humans have an estimated 20,000 to 22,000 of what units of heredity?
A. cells
B. eggs
C. chromosomes
D. genes
Answer:
|
D
|
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|
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