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What weather phenomenon is caused by strong warm updrafts from heated ground?
A. currents
B. earthquakes
C. eruptions
D. thunderstorms
Answer: | D |
The older parts of what structures anchor the plant and transport water and solutes between the soil and shoots?
A. cells
B. roots
C. bark
D. leaves
Answer: | B |
What do you call a specialized type of plant tissue that transports water and nutrients throughout the plant?
A. vascular tissue
B. thermal tissue
C. cambrium layer
D. chloroplasm
Answer: | A |
The major fuel for the brain is which carbohydrate?
A. insulin
B. sucrose
C. glutamate
D. glucose
Answer: | D |
How do they classify tornadoes?
A. wind temperature
B. wind speed
C. amount of destruction
D. wind density
Answer: | B |
What part of the body does hepatitis b effect?
A. kidney
B. heart
C. joints
D. liver
Answer: | D |
In the radiative zone, light particles called what can only travel a few millimeters before they hit another particle?
A. photons
B. positrons
C. neutrons
D. electrons
Answer: | A |
What natural resource can be damaged by the accumulation of too much salt?
A. forests
B. sediment
C. soil
D. mineral
Answer: | C |
What secures teeth in the mouth?
A. muscles
B. plug
C. socket
D. cartilage
Answer: | C |
What is the production of offspring without gamete fusion called?
A. ideal reproduction
B. organic reproduction
C. asexual reproduction
D. sexual reproduction
Answer: | C |
What causes continents to drift closer to the poles or the equator?
A. sediment movements
B. tidal pull
C. plate movements
D. wind
Answer: | C |
What does a hypothesis become after many experiments provide results supporting it?
A. a theory
B. a study
C. a fact
D. a model
Answer: | A |
Geologists group rocks based on how they what?
A. move
B. dissove
C. form
D. look
Answer: | C |
What organelle contains the genetic material of the cell?
A. meiosis
B. fetus
C. nucleus
D. gamete
Answer: | C |
What kind of waves travel through liquids and solids as well as air?
A. mind waves
B. light waves
C. sound waves
D. radio waves
Answer: | C |
What is made by trees and other plants during photosynthesis?
A. nitrogen
B. methane
C. oxygen
D. carbon dioxide
Answer: | C |
Regardless of the mode, light is modeled as traveling in straight lines called what?
A. arrows
B. electrons
C. rays
D. waves
Answer: | C |
What are organisms called, like the red-winged blackbird, that eat many different types of food?
A. specalist
B. generalists
C. carniverous
D. omniverous
Answer: | B |
What is a common name for the descriptive hypothesis that help to understand patterns of descent?
A. genetic order
B. gene mapping
C. evolutionary trees
D. genetic trees
Answer: | C |
Exemplified by a lit match bursting into flame or the process that forms fossil fuels, chemical reactions vary greatly in terms of what?
A. density
B. power
C. duration
D. speed
Answer: | D |
What is the best room in the home to start saving water?
A. the bathroom
B. the kitchen
C. the basement
D. the bedroom
Answer: | A |
Latitude affects the amount of which radiation a place receives?
A. molecular
B. solar
C. thermal
D. surface
Answer: | B |
What physical property of matter reflects how closely packed the particles are?
A. strength
B. diameter
C. volume
D. density
Answer: | D |
What is the force of attraction between fundamental particles called quarks, called.
A. gravity
B. magnetism
C. weak nuclear force
D. strong nuclear force
Answer: | D |
The force that pulls objects toward the earth is what?
A. gravity
B. Friction
C. Tension
D. Magnetic force
Answer: | A |
What is the distance something travels in a given amount of time called?
A. revolution
B. circulation
C. coverage
D. speed
Answer: | D |
One type of tissue, called brown fat, is made up of cells packed full of what?
A. proteins
B. mitochondria
C. Atoms
D. chromosomes
Answer: | B |
Abnormal electrical activity in the brain is the cause of what disease associated with seizures?
A. anemia
B. Alzheimer's
C. epilepsy
D. malaria
Answer: | C |
Because atoms are always electrically neutral, for each added proton, one of what is also added?
A. quark
B. electron
C. ion
D. neutron
Answer: | B |
What is the group of single-celled organisms lacking a nucleus that have a single piece of circular dna in the nucleoid area of the cell?
A. eukaryotes
B. algae
C. chromosomes
D. prokaryotes
Answer: | D |
What are electromagnetic waves created by?
A. oscillating charges
B. Static Charges
C. particle charges
D. gravitational charges
Answer: | A |
What is the first stage of cellular respiration?
A. Krebs cycle
B. glycolysis
C. electron transport
D. photosynthesis
Answer: | B |
Red algae and green algae are the closest relatives of what?
A. transfer plants
B. water plants
C. land plants
D. arctic plants
Answer: | C |
The axial skeleton forms the vertical, central axis of the body and includes all bones of the head, neck, chest, and back. it serves to protect the brain, spinal cord, heart, and what else?
A. lungs
B. knees
C. intestines
D. ovaries
Answer: | A |
What is an object that orbits a larger object called?
A. asteroid
B. satellite
C. meteorite
D. comet
Answer: | B |
When atoms gain or lose electrons, what is formed?
A. crystals
B. molecules
C. ions
D. gas
Answer: | C |
Lymph capillaries collect the fluid that leaks from blood capillaries and slowly return it to what system?
A. gastrointestinal
B. cardiovascular
C. muscular
D. circulatory
Answer: | B |
Asthma affects what tiny branches into which the bronchi are divided?
A. macrophages
B. cilia
C. bronchioles
D. platelets
Answer: | C |
The difference between aldehydes and ketones is the placement of what group within the molecule?
A. ammonia
B. benadryl
C. nucleus
D. carbonyl
Answer: | D |
A plane mirror has a flat reflective surface and forms only which kind of images?
A. reduced
B. enlarged
C. spherical
D. virtual
Answer: | D |
Dissolved fertilizer can ultimately lead to the creation of what in lakes or coastal oceans, which means a place where nothing can live?
A. deceased zone
B. dead zone
C. hydrothermal vent
D. extinction zone
Answer: | B |
When the hydrogen is nearly used up, the star can fuse which element into heavier elements?
A. oxygen
B. helium
C. carbon
D. xenon
Answer: | B |
What type of cell has negative anode is positive cathode?
A. planetoid cell
B. voltaic cell
C. non-voltaic cell
D. picric cell
Answer: | B |
Which human body system controls the amount of water in the body and removes wastes?
A. mucous system
B. lymphatic system
C. urinary system
D. digestive system
Answer: | C |
Rounded grains indicate that the minerals eroded from what?
A. earlier rock
B. recent rock
C. fossils
D. iron
Answer: | A |
Changes of state of matter do not involve what type of reaction?
A. mechanical reaction
B. gaseous reaction
C. radiation
D. chemical reaction
Answer: | D |
What type of mining is used to recover ores that are deeper into earth’s surface?
A. deep mining
B. underground
C. explosive mining
D. underwater mining
Answer: | B |
What are liverworts with a flattened, ribbon-like body called?
A. hornworts
B. hepatic liverworts
C. thallose liverworts
D. kidney liverworts
Answer: | C |
What is made up of organisms of the same species that live in the same area?
A. system
B. countries
C. tissue
D. population
Answer: | D |
The oxygen atom in a water molecule pull the electrons away from the hydrogen atoms which leads to an unequal distribution of what?
A. orbits
B. atomic mass
C. charge
D. nitrogen
Answer: | C |
Are zeroes that show only where the decimal point fall significant or not significant?
A. neither
B. not significant
C. significant
D. sometimes significant
Answer: | B |
Torpor, a process that leads to a decrease in activity and metabolism and allows animals to survive adverse conditions, includes what long winter 'sleep'?
A. relaxation
B. fermentation
C. hibernation
D. pollination
Answer: | C |
What produces gametes with different alleles?
A. prokaryotes
B. chromatids
C. anthocyanins
D. heterozygotes
Answer: | D |
What term is used to describe structures that are similar in unrelated organisms?
A. symbolic
B. reproductive
C. analogous
D. isolated
Answer: | C |
What is defined as a saturated layer of rock or soil?
A. artesian well
B. aquifer
C. culvert
D. river bank
Answer: | B |
Air flows into the lungs largely due to a difference in what?
A. pressure
B. resistance
C. thrust
D. gravity
Answer: | A |
The cytoplasm divides during what stage of the cell cycle?
A. cytokinesis
B. capitis
C. birthing
D. electrolysis
Answer: | A |
Researchers have also used insect courtship to explore genetic variation underlying differences in what?
A. reproduction
B. function
C. behavior
D. instance
Answer: | C |
What part of the brain lies under the cerebrum and behind the brain stem?
A. cerebellum
B. medulla
C. spinal cord
D. thymus
Answer: | A |
In human females, the mammary glands are associated with, but not part of, what organ system that is used to create new humans?
A. digestive
B. endocrine
C. immune
D. reproductive
Answer: | D |
What is the term for volcanic mudflows?
A. cones
B. lahars
C. rivers
D. plumes
Answer: | B |
During the scientific revolution, who proposed that the sun, not earth, is the center of the solar system?
A. Newton
B. Galileo
C. copernicus
D. janus
Answer: | C |
Quantum chromodynamics combines what property with quark theory?
A. mass
B. sound
C. color
D. contrast
Answer: | C |
Traits inherited in mendelian patterns are either?
A. divergent or dominant
B. dominant or autosomal
C. dominant or recessive
D. recessive or allelic
Answer: | C |
What kind of reproduction results in offspring that are genetically unique?
A. sexual reproduction
B. asexual reproduction
C. budding
D. fragmentation
Answer: | A |
How many vertebrae make up the human vertebral column?
A. 32
B. 33
C. 35
D. 35
Answer: | B |
What do cells of dermal tissue secrete?
A. cuticle
B. blood
C. moisture
D. hair
Answer: | A |
What is the term for many different types of animals within the same species?
A. pollution
B. differentiation
C. diversity
D. habitat
Answer: | C |
What is a process in which some substances change into different substances?
A. a thermodynamic reaction
B. a toxic reaction
C. a chemical reaction
D. a bio reaction
Answer: | C |
What causes nitrate to go back to its gaseous nitrogen state?
A. denitrifying bacteria
B. decomposers
C. phytoflagellate bacteria
D. enzymes
Answer: | A |
What is the metabolic process by which cells obtain energy by “burning” glucose?
A. cellular digestion
B. cellular respiration
C. cellular transportation
D. electromagnetic respiration
Answer: | B |
What weakly scatters visible light?
A. air
B. space
C. Reflection
D. water
Answer: | A |
Arteries carry oxygenated blood away from the heart, what carries un-oxygenated blood back to the heart?
A. lungs
B. intestines
C. glands
D. veins
Answer: | D |
What type of analysis is performed to study gene expression patterns in cells?
A. rna analysis
B. proteins analysis
C. residues analysis
D. dna analysis
Answer: | A |
What class are centipedes and millipedes in?
A. spirogyra
B. xerophyte
C. terapoda
D. myriapoda
Answer: | D |
Light moving from air into water is bent ___________ the normal?
A. less
B. Longly
C. more
D. thinly
Answer: | C |
An electrical signal along a nerve cell triggers the secretion of what?
A. attenuation molecules
B. neurotransmitter molecules
C. conduction molecules
D. axons
Answer: | B |
Carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur are basic elements that form what type of compounds, which are vital to life?
A. organic compounds
B. amino acids
C. inorganic compounds
D. hydrocarbons
Answer: | A |
Urea and carbon dioxide are molecules with how many carbon atoms?
A. one
B. four
C. even number
D. two
Answer: | A |
Half of the neurons formed in the embryo are eliminated because of _____________
A. disease
B. competition
C. contraction
D. cell death
Answer: | B |
What do omnivores eat?
A. only plants
B. plants & animals
C. only animals
D. only seafood
Answer: | B |
Upwelling mantle at the mid-ocean ridge pushes plates in which direction?
A. outward
B. eastward
C. westward
D. inward
Answer: | A |
Why are exotic species also called invasive species?
A. disregard other species
B. help other species
C. imitate other species
D. threaten other species
Answer: | D |
The process of producing mature sperm is called what?
A. glycogenolysis
B. spermatosis
C. spermatogenesis
D. ketoacidosis
Answer: | C |
Unlike theories, which are proved true, what are often falsified?
A. controls
B. conclusions
C. samples
D. hypotheses
Answer: | D |
What living things have cell walls containing cellulose and plastids such as chloroplasts?
A. animals
B. plants
C. reptiles
D. mammals
Answer: | B |
Where does the energy from an atomic bomb come from?
A. neutron
B. electron shell
C. nucleus of atom
D. isotope of atom
Answer: | C |
Removal of dams on rivers is an example of what?
A. restoration
B. evolution
C. renewal
D. reproduction
Answer: | A |
What is considered the smallest unit of life?
A. particle
B. proteins
C. molecule
D. cell
Answer: | D |
What living things are considered photoautotrophs because they use sunlight and carbon from carbon dioxide to synthesize chemical energy in the form of carbohydrates?
A. moulds
B. plants
C. protazoa
D. bacteria
Answer: | B |
Acids are molecular compounds that dissolve in water to produce hydronium ions and what else?
A. an alkali
B. a neutron
C. a proton
D. an anion
Answer: | D |
What is the terme for water vapor changing to liquid water?
A. freezing
B. condensation
C. evaporation
D. transubstantiation
Answer: | B |
What processes involve a transfer of electrons between the wire and the solution?
A. thermal
B. radioactive
C. electrochemical
D. magnetic
Answer: | C |
What happens when development of nervous system is disturbed?
A. neurodevelopmental disorders
B. vascular disorders
C. neurochemical disorders
D. muscular disorders
Answer: | A |
What color is the fungus in blue cheese?
A. blue
B. pink
C. green
D. purple
Answer: | A |
Not even light can escape from what extremely dense object sometimes found in deep space?
A. large holes
B. star holes
C. black holes
D. light holes
Answer: | C |
The nucleus is comprised primarily of?
A. empty space
B. energy
C. matter
D. faith
Answer: | A |
What in mammalian lungs, increases the surface area for gas exchange?
A. alveoli
B. bronchioles
C. bronchi
D. thorax
Answer: | A |
What is the process by which some solids transition directly into gases?
A. sublimation
B. articulation
C. amplification
D. vaporization
Answer: | A |
What are the two main parts of the human nervous system?
A. brain, spinal cord
B. brain, heart
C. lungs, spinal cord
D. lungs, brain
Answer: | A |
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