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What shape is the lens of the eye?
A. angular
B. concave
C. spherical
D. convex
Answer: | D |
What is the change frogs and butterflies go through?
A. hiatus
B. metamorphosis
C. parthenogenesis
D. transformation
Answer: | B |
What term is used to describe the attractive force between molecules of the same substance?
A. strength
B. attraction
C. cohesion
D. magnetism
Answer: | C |
Where do archea live?
A. in mammals
B. in the ocean
C. everywhere
D. underground
Answer: | C |
What is the 'stuff' that all things are made of?
A. minerals
B. plasma
C. matter
D. metal
Answer: | C |
What is the change of characteristics of living things over time?
A. evolution
B. generation
C. adaptation
D. spontaneous mutation
Answer: | A |
What is the si unit for electric current?
A. planck
B. ampere
C. ohm
D. joule
Answer: | B |
What abbreviated form refers to oxidation-reduction reactions, which are part of respiration and photosynthesis?
A. oxid reactions
B. reflex reactions
C. redox reactions
D. morph reactions
Answer: | C |
In a cell cycle, what kind of regulator molecules allow advancement to the next stage?
A. negative
B. strong
C. similar
D. positive
Answer: | D |
What are kpa, atm, and mmhg measurement units for?
A. pressure
B. weight
C. velocity
D. temperature
Answer: | A |
Each month, starting in puberty, one egg matures and is released from where?
A. ovary
B. testes
C. pollen
D. uterus
Answer: | A |
Synostoses unite the sacral vertebrae that fuse together to form the what?
A. adult sacrum
B. young sacrum
C. lower sacrum
D. permanent sacrum
Answer: | A |
What eliminates food wastes that remain after digestion takes place?
A. large intestine
B. liver
C. small intestine
D. gall bladder
Answer: | A |
What is the membrane that surrounds a fetus called?
A. cell membrane
B. amniotic sac
C. umbilicus
D. umbilical sac
Answer: | B |
What is the long-term average of weather in a particular spot called?
A. weather
B. climate
C. temperature
D. migration
Answer: | B |
What are the three most common elements in the air we breathe?
A. argon, oxygen, hydrogen
B. nitrogen, oxygen and argon
C. nitrogen, argon, hydrogen
D. oxygen, nitrogen, H20
Answer: | B |
Cirrus, stratus, and cumulus are the main types of what?
A. storms
B. weather
C. clouds
D. climate
Answer: | C |
Lymphatic capillaries are interlaced with the arterioles and venules of which system?
A. skeletal systems
B. circulatory system
C. cardiovascular system
D. atmospheric system
Answer: | C |
What is required for communication?
A. weight and reception of signals
B. lack and reception of signals
C. transmission and weight of signals
D. transmission and reception of signals
Answer: | D |
When gametes unite during fertilization, the resulting zygote inherits two of what for each gene, one from each parent?
A. chromosomes
B. alleles
C. molecules
D. genomes
Answer: | B |
What provides an early, rapid, and nonspecific defense against invading pathogens?
A. toxins
B. neutrophils
C. bacteria
D. microorganisms
Answer: | B |
In a mammal the front part of the brain is called the what?
A. thallus
B. brain stem
C. cerebellum
D. cerebrum
Answer: | D |
What term is used to describe joints in which the bones are connected by cartilage?
A. capillaries joints
B. blob joints
C. cartilaginous joints
D. spinal joins
Answer: | C |
What type of tissue is made up of cells that have the unique ability to contract?
A. nervous tissue
B. muscle tissue
C. connective tissue
D. epithelial tissue
Answer: | B |
Recent fossil evidence has shown that the evolutionary divergence of what group from other land animals was characterized by streamlining and simplifying the digestive system, which allowed a high metabolic rate?
A. birds
B. marsupials
C. rats
D. fish
Answer: | A |
Probability can be used to predict the chance of gametes and offspring having certain what?
A. alleles
B. molecules
C. atoms
D. particles
Answer: | A |
What happens to the reaction rate over the course of a reaction?
A. stays the same
B. slows down
C. reverses
D. speeds up
Answer: | B |
The first reported nuclear fission occurred in 1939 when three german scientists bombarded uranium-235 atoms with slow-moving what?
A. isotopes
B. protons
C. neutrons
D. electrons
Answer: | C |
What are temporary feet that protists have called?
A. transient pseudopodia
B. spontaneous pseudopodia
C. temporary flagella
D. pedicules
Answer: | A |
Predicting the possible genotypes and phenotypes from a genetic cross is often aided by a what?
A. axle square
B. balusters square
C. punnett square
D. dinobot square
Answer: | C |
What is a relationship between organisms that strive for the same resources in the same place?
A. antagonistic
B. competition
C. parasitic
D. symbiotic
Answer: | B |
What is a collection of lymphatic tissue that combines with epithelial tissue lining the mucosa throughout the body?
A. spheroids associated lymphoid tissue ( malt )
B. mucosa associated lymphoid tissue (malt)
C. cottony associated lymphoid tissue ( malt )
D. unassociated lymphoid tissue
Answer: | B |
What is the term for individuals of a species that live in a particular habitat?
A. biosphere
B. family
C. ecosystem
D. population
Answer: | D |
Which gas moves from the blood in the capillaries into the air?
A. nitrogen
B. carbon dioxide
C. carbon monoxide
D. oxygen
Answer: | B |
What makes the halogen group so diverse?
A. contains alloys
B. bonds easily
C. three different states of matter
D. a single state of matter
Answer: | C |
What type of dating determines which of two fossils is older or younger than the other but not their age in years?
A. relative
B. normative
C. normal
D. constant
Answer: | A |
The timing of events in what cycle - which lasts just minutes in fruit fly embryos - is controlled by mechanisms that are both internal and external to the cell?
A. carbon cycle
B. life cycle
C. circadian cycle
D. cell cycle
Answer: | D |
Is wind power renewable or non renewable?
A. neither
B. non renewable
C. renewable
D. depends
Answer: | C |
What is the principal cell of connective tissues?
A. neural
B. Cancer
C. fibroblast
D. organism
Answer: | C |
What occurs when a few individuals start, or found, a new population?
A. founder effect
B. outsider effect
C. novelty effect
D. pioneer effect
Answer: | A |
When animals use incubation, how do they generally give birth to their young?
A. division
B. copying
C. live
D. eggs
Answer: | D |
What two-word term refers to the number of different species in the community?
A. bacteria richness
B. face-richness
C. group-richness
D. species richness
Answer: | D |
Two events are defined to be simultaneous if an observer measures them as occurring at what?
A. different times
B. midnight
C. opposite times
D. same time
Answer: | D |
The force of attraction or repulsion between charged particles is called what?
A. magnetic force
B. electric force
C. cooling force
D. power force
Answer: | B |
What important function do bees perform on garden plants and many commercial fruit trees?
A. ruination
B. hibernation
C. pollination
D. condensation
Answer: | C |
What do ecosystems require constant inputs of?
A. Water
B. energy
C. fuel
D. heating
Answer: | B |
What is the final stage of aerobic respiration?
A. electron production
B. proton transport
C. glucose transport
D. electron transport
Answer: | D |
What is the lightest molecule?
A. oxygen
B. hydrogen
C. helium
D. silicon
Answer: | B |
The genome of an organism consists of one or more what?
A. dna molecules
B. require molecules
C. rna molecules
D. hemoglobin molecules
Answer: | A |
Where are free-living roundworms mainly found?
A. freshwater habitats
B. rainforests
C. ocean depths
D. arboreal habitats
Answer: | A |
What do you call any force that makes something move in a circle?
A. cyclical
B. centripetal force
C. tangential force
D. momentum
Answer: | B |
The two parameters used to measure changes in ecosystems are resistance and what related factor?
A. resilience
B. variation
C. strength
D. acceptability
Answer: | A |
In humans, the first sites used for energy storage are liver and what else?
A. lungs
B. reproductive organs
C. muscle cells
D. skin cells
Answer: | C |
What are electrons at the outermost energy level of an atom are called?
A. valence electrons
B. ions
C. shell electrons
D. core electrons
Answer: | A |
Reaching conclusions about unobserved things on the basis of what has already been observed is known as what kind of reasoning?
A. inductive
B. primitive
C. conductive
D. reductive
Answer: | A |
The molecular formula is still c 4 h 10 , which is the same formula as?
A. carbon hydroxide
B. butane
C. chlorine
D. propane
Answer: | B |
A structure composed of two or more types of tissues that work together to perform the same function is called?
A. organ
B. System
C. Group
D. order
Answer: | A |
All cells undergo what during a lifetime, but when this process is out of control, cancer results?
A. cell division
B. cell death
C. cell mutation
D. cell transition
Answer: | A |
Amylase and pepsin are examples of enzymes needed for what process?
A. digestion
B. fermentation
C. absorption
D. filtration
Answer: | A |
What two words describe the debate over whether behaviors are caused by genetics or by environment?
A. positive and negative
B. kinetic and potential
C. nature and nurture
D. dominant and recessive
Answer: | C |
Why do comet tails always point away from the sun instead of trailing behind the comet?
A. dust particles liquify
B. dust particles attract
C. dust particles evaporate
D. dust particles recoil
Answer: | D |
What is the term for the average number of individuals in a population per unit of area or volume?
A. population density
B. population structure
C. population diameter
D. Density group
Answer: | A |
Gibbs free energy values can be used to determine what?
A. equal lines
B. equilibrium constants
C. equilibrium differentials
D. prime constants
Answer: | B |
Creep, which usually takes place where the ground freezes and thaws frequently, involves movement of particles due to what force?
A. gravity
B. normal
C. friction
D. wind
Answer: | A |
Which parasite causes downy mildew in grape plants?
A. epichloe typhina
B. chrysomyxa ledi
C. plasmopara viticola
D. taphrina confusa
Answer: | C |
What property is defined as the magnitude or size of displacement between two positions?
A. Distance
B. passing
C. gravity
D. distance
Answer: | A |
Endosperm usually develops before the what does?
A. fetus
B. gamete
C. embryo
D. nucleus
Answer: | C |
What is the term for geological activity that occurs within a plate?
A. deformation activity
B. perennials activity
C. intraplate activity
D. disruption activity
Answer: | C |
What is a three-dimensional anticline called?
A. volcano
B. cyclone
C. cave
D. dome
Answer: | D |
Electrical energy consumed can be expressed as the product of power multiplied by what else?
A. energy
B. speed
C. work
D. time
Answer: | D |
What is the name for a substance that can be used to follow the pathway of that substance through some structure?
A. solution
B. tracker
C. tracer
D. gel
Answer: | C |
What do osteoclasts do to bone?
A. strengthen it
B. lengthen it
C. build it up
D. break it down
Answer: | D |
What do tube worms rely on for food?
A. lentiviruses microorganisms
B. fatty microorganisms
C. chemosynthetic microorganisms
D. sponges microorganisms
Answer: | C |
Size is a general feature of cell structure that relates to?
A. timing
B. instance
C. activation
D. function
Answer: | D |
Altitude is height above what?
A. the earth's core
B. sea level
C. the water table
D. the earth's surface
Answer: | B |
Conservation of what property of ecosystems is the aim of measures like the endangered species act?
A. bioremediation
B. biodiversity
C. Allopatric speciation
D. natural selection
Answer: | B |
Nearly all rocks are made of what?
A. minerals
B. calcium
C. sand
D. magma
Answer: | A |
What type of cell division produces gametes?
A. apoptosis
B. mutations
C. mitosis
D. meiosis
Answer: | D |
Where are feces formed?
A. duodenum
B. large intestine
C. small intestine
D. liver
Answer: | B |
What measurement of the wave is used to determine the magnitude of an earthquake?
A. diameter
B. height
C. width
D. length
Answer: | B |
In a food chain, only about 10 percent of what passes to the next level?
A. mineral
B. hydrogen
C. energy
D. vitamins
Answer: | C |
In plants, a high concentration of iaa inhibits what?
A. cell elongation
B. same elongation
C. technology elongation
D. Cell reproduction
Answer: | A |
The rate of heat transfer by radiation is largely determined by what?
A. scope
B. color
C. sound
D. environment
Answer: | B |
Comparisons of amino acid sequences can shed light on the evolutionary divergence of what?
A. dinosaurs
B. mammals
C. birds
D. related species
Answer: | D |
How high or low a sound seems is associated with what property of the sound?
A. frequency
B. decibel
C. wavelength
D. pitch
Answer: | D |
Alveolar ducts and broncioles are developing parts of what organ system?
A. immune
B. digestive
C. nervous
D. respiratory
Answer: | D |
During photosynthesis what organelle is used by plants to change sunlight into chemical energy?
A. mitochondria
B. ribosome
C. chloroplasts
D. golgi apparatus
Answer: | C |
Small water bodies often fed by springs are called what?
A. ponds
B. oceans
C. puddles
D. rivers
Answer: | A |
The combustion of propane gas produces carbon dioxide and what else?
A. phosphorous
B. methane
C. water vapor
D. carbon monoxide
Answer: | C |
Tremetol, a metabolic poison found in the white snake root plant, prevents the metabolism of what?
A. lipids
B. sodium
C. sugars
D. lactate
Answer: | D |
Water, carbon dioxide, and what other element are important agents of chemical weathering?
A. methane
B. oxygen
C. helium
D. sulfur
Answer: | B |
Deserts and forests are examples of what type of biome?
A. freshwater
B. terrestrial
C. acquatic
D. abundant
Answer: | B |
Lampreys use their sucker to feed on what part of other fish species?
A. brain
B. liver
C. blood
D. heart
Answer: | C |
Nonflowering vascular plants have how many basic types of leaves?
A. three
B. five
C. four
D. one
Answer: | A |
Somatosensation includes all sensation received from the skin and mucous membranes, as well as from these?
A. glial cells
B. five senses
C. limbs and joints
D. organs
Answer: | C |
What is the only class of animals that has hair?
A. birds
B. reptiles
C. mammals
D. amphibians
Answer: | C |
What is the muscular organ that nourishes and supports the growing embryo?
A. uterus
B. fallopian tube
C. stomach
D. ovary
Answer: | A |
The smallest cyclic ether is called what?
A. quark
B. peroxidase
C. aldehyde
D. epoxide
Answer: | D |
Dialysis is a medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration. when kidney function fails, dialysis must be done to artificially rid the body of this?
A. bile juices
B. waste and fluids
C. mucus and phloem
D. calories
Answer: | B |
What is the study of how living things interact with each other and with their environment?
A. geology
B. biology
C. scientology
D. ecology
Answer: | D |
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