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Question: What falls roughly in the middle of the electromagnetic spectrum, having shorter wavelengths and higher frequencies than microwaves, but not as short and high as x rays?
Options:
A. light
B. gamma rays
C. ultraviolet light
D. radio waves | A |
Question: What are models good for?
Options:
A. they are expensive to make
B. they are independent variables
C. they are identical to the real thing
D. they give us an idea of what the real thing is like | D |
Question: Explanations of some aspect of the natural world based on repeated observations are termed what?
Options:
A. scientific theories
B. scientific thoughts
C. scientific insights
D. scientific guesses | A |
Question: What is found in abundance in the polar ice caps and under the surface of mars?
Options:
A. bacteria
B. water
C. fossils
D. carbon | B |
Question: What do nerve impulses travel along?
Options:
A. arteries
B. pores
C. axons
D. membranes | C |
Question: Cyanobacteria are bluish green in color because they contain what?
Options:
A. microbial
B. carbonate
C. chlorophyll
D. chloroplasts | C |
Question: How many miles is the distance between the earth and sun?
Options:
A. 82
B. 93
C. 78
D. 91 | B |
Question: What is the dominant form of plant life in most terrestrial ecosystems, comprising about 90 percent of all plant species?
Options:
A. pteridophytes
B. bryophytes
C. gymnosperms
D. angiosperms | D |
Question: What is the largest mammal on earth?
Options:
A. tiger shark
B. blue whale
C. giraffe
D. water buffalo | B |
Question: What are elements that generally do not conduct electricity?
Options:
A. iron
B. nonmetals
C. metal
D. copper | B |
Question: Superconductors expel a magnetic field from their interior. what is this phenomenon known as?
Options:
A. weissenberg effect
B. meissner effect
C. lauer effect
D. eibner effect | B |
Question: Continually increasing the pressure on the liquid will eventually cause the substance to do what?
Options:
A. solidify
B. erode
C. transform
D. explode | A |
Question: Hypersensitivity may refer to a maladaptive response of what system toward a harmless foreign substance?
Options:
A. immune
B. oxygen
C. System
D. brain | A |
Question: Similarity that results from common ancestry is known as what?
Options:
A. heterogeny
B. duality
C. homology
D. affinity | C |
Question: We all start as a single cell and soon grow into what?
Options:
A. uterus
B. embryo
C. nucleus
D. egg | B |
Question: Which acid contains only one ionizable hydrogen?
Options:
A. amino acid
B. citric acid
C. monoprotic acid
D. lactic acid | C |
Question: The epidermis is made of which closely packed cells?
Options:
A. cancer cells
B. epithelial cells
C. nerve cells
D. muscle cells | B |
Question: What is a double membrane of the nucleus that encloses the genetic material?
Options:
A. nuclear wall
B. nuclear enevelope
C. cell membrane
D. cell wall | B |
Question: What effect does changing temperature have on a system at equilibrium?
Options:
A. the height
B. energy
C. movement
D. stress | D |
Question: What type of cancer can the use of tanning beds lead to?
Options:
A. breast cancer
B. tissue cancer
C. brain cancer
D. skin cancer | D |
Question: Organisms tend to be larger in size at higher what levels?
Options:
A. Secondary Layer
B. proteolytic
C. benthic
D. trophic | D |
Question: A major step in animal evolution was the evolution of what rigid rod that runs the length of the body?
Options:
A. notochord
B. endoderm
C. limbic system
D. mitochondria | A |
Question: What is the name of the process that refers to the balance or equilibrium within the cell or a body?
Options:
A. hypothesis
B. homeostasis
C. static
D. determinants | B |
Question: What is the clear, protective covering on the outside of the eye?
Options:
A. iris
B. cornea
C. vitreous fluid
D. retina | B |
Question: Deeper layers of rock must be older than layers closer to the surface, this is the law of what?
Options:
A. diffraction
B. erosion
C. flux
D. superposition | D |
Question: Dentists occasionally use metallic mixtures called amalgams for what?
Options:
A. braces
B. fillings
C. anesthesia
D. tools | B |
Question: Which infection turns ant's abdomen red and fruit-like and an easy prey for birds?
Options:
A. yeast
B. cocklebur
C. trichina
D. neotropicum | D |
Question: What do mitochondrions have an inner and outer version of?
Options:
A. Molecule
B. membrane
C. protein
D. Fatty Acids | B |
Question: Resistance to pesticides in a population of insects is an example of what?
Options:
A. microevolution
B. macroevolution
C. extinction
D. redistributions | A |
Question: What expresses the mass of substance in terms of the volume occupied by the substance?
Options:
A. diameter
B. frequency
C. velocity
D. density | D |
Question: What organ is the hypothalamus a part of?
Options:
A. brain
B. Nervous system
C. heart
D. liver | A |
Question: Urea, ammonia and uric acid are types of what waste, excreted in different forms by different species?
Options:
A. fecal waste
B. carbon waste
C. nitrogenous waste
D. methane waste | C |
Question: Besides tasting food, what organ is necessary for mastication, deglutition (swallowing), and speech?
Options:
A. larnyx
B. throat
C. mouth
D. tongue | D |
Question: What is transmitted by moving electrons in an electric current?
Options:
A. stellar energy
B. subsequent energy
C. potential energy
D. electrical energy | D |
Question: What happens if a molecule forms strong bonds to the catalyst?
Options:
A. membrane gets poisoned
B. surface gets poisoned
C. molecules gets poisoned
D. catalyst gets poisoned | D |
Question: In general, kinetic energy is the form of energy powering any type of matter in motion, while the energy of position is called what?
Options:
A. thermal energy
B. potential energy
C. mechanical energy
D. magnetic energy | B |
Question: What event occurs between the two solstices?
Options:
A. equinox
B. summer
C. Christmas
D. Leap Year | A |
Question: Alveoli can be found in which organ in the human body?
Options:
A. Liver
B. Heart
C. lungs
D. Stomach | C |
Question: About one-fourth of the blood pumped with each heartbeat enters arteries serving what organs of digestion?
Options:
A. lungs
B. intestines
C. stomach
D. bowels | B |
Question: The paired bones of the skull are the palatine, zygomatic, nasal, lacrimal, inferior nasal conchae bones, and what else?
Options:
A. ventral
B. minilla
C. elongated
D. maxilla | D |
Question: Each muscle fiber contains hundreds of organelles called what?
Options:
A. slow twitch fibres
B. fast glycolytic fibres
C. pores
D. myofibrils | D |
Question: The common cold and flu are examples of human diseases caused by what tiny particles?
Options:
A. viruses
B. bacteria
C. infections
D. parasites | A |
Question: What are the two layers of the skin?
Options:
A. sebaceous and salivary
B. dermis and epithelial
C. epidermis and dermis
D. epithelial and endometrial | C |
Question: Light can be used to eject what from a solid material?
Options:
A. protons
B. calories
C. electrons
D. neutrons | C |
Question: What element is a biochemical compound based on?
Options:
A. nitrogen
B. carbon
C. hydrogen
D. oxygen | B |
Question: The amniotic sac is attached to what?
Options:
A. uterus
B. Umbilical Cord
C. Stomach
D. placenta | D |
Question: Which type of respiration helps organisms generate quick bursts of speed, as opposed to long steady movement?
Options:
A. anabolic respiration
B. insertion respiration
C. digestion respiration
D. anaerobic respiration | D |
Question: When matter reacts, there can be what that comes from nowhere and is unaccounted for?
Options:
A. bonds
B. combustions
C. mass
D. concentrations | C |
Question: What is located at about 80 degrees north latitude?
Options:
A. india
B. the equator
C. the north pole
D. alaska | C |
Question: What is a byproduct from the combustion of fossil fuels like coal and gasoline?
Options:
A. alcohol
B. nitrogen dioxide
C. carbon monoxide
D. aluminum oxide | B |
Question: What can damage animal tissues?
Options:
A. extreme pressure or temperature
B. nervous stress
C. wind erosion
D. acid and water exposure | A |
Question: Along with other functions, what do carbohydrates, proteins, and lipids provide for the body?
Options:
A. muscle
B. energy
C. carbon
D. hydrogen | B |
Question: What system of the body uses amylase and pepsin in its functioning?
Options:
A. digestive system
B. hormonal system
C. circulatory system
D. respiratory system | A |
Question: What are genes located on the sex chromosomes called?
Options:
A. sex-linked genes
B. autosomes
C. dimorphism - linked genes
D. diploid genes | A |
Question: The posterior pituitary releases which hormone, which stimulates uterine contractions during childbirth?
Options:
A. estrogen
B. insulin
C. oxytocin
D. estradiol | C |
Question: What consists mainly of parenchymal cells with chloroplasts?
Options:
A. mitochondria
B. periosteum
C. chlorophyll
D. mesophyll | D |
Question: What is the movement of animals from one place to another?
Options:
A. communication
B. population
C. migration
D. trade | C |
Question: Twin studies have been instrumental in demonstrating what type of component in autism?
Options:
A. natural
B. environmental
C. internal
D. bacterial | B |
Question: What is a measure of the size of sound waves?
Options:
A. voltage
B. frequency
C. wavelength
D. amplitude | D |
Question: Covalent compounds form individual molecules rather than what?
Options:
A. crystals
B. atoms
C. chemicals
D. carbon | A |
Question: Winds are caused by differences in what?
Options:
A. water pressure
B. temperature
C. elevation
D. air pressure | D |
Question: What is generated when a heart ventricle contracts?
Options:
A. blood pressure
B. vein pressure
C. artery pressure
D. blood force | A |
Question: What area beneath the earth's surface do magma collects?
Options:
A. magma chambers
B. underneath chambers
C. erosion chambers
D. hot chambers | A |
Question: What develop inside chambers called ovaries, which originate within flowers and mature into fruits?
Options:
A. tomoxia seeds
B. angiosperm seeds
C. pollen seeds
D. trematode seeds | B |
Question: What kind of lakes form when volcanic eruptions create holes that fill with water?
Options:
A. formation lakes
B. novel lakes
C. artificial lakes
D. crater lakes | D |
Question: The size of the solute particles determines the rate of what?
Options:
A. dissolving
B. merging
C. solution
D. extracting | A |
Question: The vas deferens and ejaculatory ducts are part of what system?
Options:
A. male circulatory system
B. female reproductive system
C. male reproductive system
D. female adaptive system | C |
Question: What part of an egg contains the genetic material ?
Options:
A. the fetus
B. here.the nucleus
C. the sperm
D. the nucleus | D |
Question: Bees and other wild animals perform what function on flowering plants, making them vital for crop reproduction?
Options:
A. pollenation
B. pesticide
C. irrigation
D. fertilizer | A |
Question: What does the sebaceous gland secrete which waterproofs the skin and hair?
Options:
A. collagen
B. sebum
C. pus
D. progesterone | B |
Question: What water is about 3.5% salt?
Options:
A. glacial water
B. fresh water
C. spring water
D. seawater | D |
Question: Catabolic and anabolic hormones in the body help regulate these?
Options:
A. brain signals
B. metabolic processes
C. hormone levels
D. nutrient levels | B |
Question: Food chains and what describe the transfer of energy within an ecosystem, from one organism to another?
Options:
A. food webs
B. the webs
C. fuel webs
D. spider webs | A |
Question: The type of eruption a volcano has depends on the type of what in its chamber?
Options:
A. magma
B. core
C. cavity
D. funnel | A |
Question: What organ has four ventricles, all of which developed from the original hollow space within the neural tube?
Options:
A. brain
B. liver
C. bladder
D. heart | A |
Question: The cell theory and the theory of evolution by natural selection are basic to all fields in what branch of science?
Options:
A. life science
B. zoology
C. chemistry
D. rock science | A |
Question: How many types of antigens can an antibody match?
Options:
A. four
B. one
C. two
D. infinite | B |
Question: What do drugs that alleviate symptoms of schizophrenia block?
Options:
A. dopamine receptors
B. ephedrine receptors
C. histamine receptors
D. adrenaline receptors | A |
Question: What destroys the filtered pathogens?
Options:
A. lymphocytes
B. parasites
C. antibodies
D. neutrophils | A |
Question: A device that produces a very focused beam of visible light of just one wavelength and color is called?
Options:
A. laser
B. microwave
C. mirror
D. prism | A |
Question: The second step in eukaryotic cell division is division of which part of the cell?
Options:
A. Cell Division
B. protons
C. molecules
D. nucleus | D |
Question: Approximately how many galaxies are there in the universe?
Options:
A. an octillion
B. an infinite number
C. about a hundred billion
D. a trillion | C |
Question: What theory of evolution is charles darwin most known for?
Options:
A. immoral selection
B. natural variety
C. natural change
D. natural selection | D |
Question: What organ system is different in men and women?
Options:
A. nervous organs
B. reproductive organs
C. respratory organs
D. lymphatic organs | B |
Question: Why do effusive eruptions rarely kill anyone?
Options:
A. they move slowly
B. They occur rarely
C. They are minor
D. They are low temperature | A |
Question: What are hot fragments of rock called?
Options:
A. obsidian
B. pyroclasts
C. shards
D. magma | B |
Question: Unevenness or asymmetry in the focus of the eye describes what visual defect?
Options:
A. hyperopia
B. presbyopia
C. myopia
D. astigmatism | D |
Question: The addition of electron gives the halide ions the same electron configuration as what gas?
Options:
A. a fatty gas
B. a flammable gas
C. an inert gas
D. a noble gas | D |
Question: Partially decayed remains of plants and animals form the organic portion of what?
Options:
A. soil
B. grasses
C. minerals
D. nutrients | A |
Question: Where is the most significant connection between the cerebellum and the rest of the brain?
Options:
A. at the medulla oblongata
B. at the cerebrum
C. at the pons
D. at the meninges | C |
Question: What do you call the daily changes in the level of ocean water?
Options:
A. tides
B. waves
C. shores
D. currents | A |
Question: What are the specialized building blocks of your body?
Options:
A. muscles
B. proteins
C. cells
D. tissues | C |
Question: What do plants make to store extra glucose?
Options:
A. sugars
B. starches
C. fats
D. water | B |
Question: Sand dunes migrate when sand is blown up a slope and this force pulls it down the other side?
Options:
A. spin
B. air pressure
C. earthquakes
D. gravity | D |
Question: Inside each lymph node is a honeycomb of connective tissue with spaces filled by what?
Options:
A. platelets
B. white blood cells
C. red blood cells
D. hemoglobin | B |
Question: What "apparatus" is responsible for sorting, modifying, and shipping off the products that come from the rough endoplasmic reticulum?
Options:
A. receptor apparatus
B. golgi apparatus
C. secretion apparatus
D. plasma apparatus | B |
Question: When two haploid gametes unite during fertilization they form what?
Options:
A. haploid cell
B. a mutated cell
C. a fertilized cell
D. a diploid cell | D |
Question: What kind of phenotype results in a case of incomplete dominance?
Options:
A. short phenotype
B. long phenotype
C. backward phenotype
D. intermediate phenotype | D |
Question: Chloroplasts, chromoplasts, and leucoplasts are all plastids, organelles found in what kind of cells?
Options:
A. animal cells
B. plant cells
C. heart cells
D. lung cells | B |
Question: What is the attraction of a particular atom for the electrons of a covalent bond called?
Options:
A. conductivity
B. ionization
C. electromagnetism
D. electronegativity | D |
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