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What is a measure of how much energy is needed to change the temperature of a substance?
A. specific gravity
B. momentum
C. thermal potential
D. specific heat
Answer: | D |
What is the common term for animals in the phylum porifera?
A. sharks
B. sponges
C. crustaceans
D. corals
Answer: | B |
What term is used to describe a change in the characteristics of living things over time?
A. generation
B. customization
C. reproduction
D. evolution
Answer: | D |
What can accept a wide range of carbohydrates for catabolism?
A. photosynthesis
B. glycolysis
C. enzymes
D. cellular respiration
Answer: | B |
What includes all living things within all their environments, including everywhere life exists, from the upper atmosphere, to the top of the soil, to ocean bottoms?
A. community
B. biome
C. habitat
D. biosphere
Answer: | D |
What is unique and found in all living things because it can form up to four covalent bonds between atoms or molecules?
A. potassium
B. carbon
C. oxygen
D. hydrogen
Answer: | B |
What kind of rock is gypsum?
A. metamorphic
B. igneous
C. basalt
D. sedimentary
Answer: | D |
What component of a prokaryote is unique in molecular composition and mechanism of propulsion?
A. the amoeba
B. the sporangia
C. the flagella
D. the membrane
Answer: | C |
The sum of the masses of the atoms in the formula is referred to as what?
A. magnetic mass
B. atomic mass
C. molecular mass
D. nucleus mass
Answer: | C |
What size of ring will a summer drought cause in a tree?
A. medium
B. giant
C. larger
D. smaller
Answer: | D |
What is the technical term for species that produce their own body heat and regulate their internal temperature independently of the outside temperature?
A. hydrostatic
B. osmotic
C. endothermic
D. Phototrophic
Answer: | C |
What is the transparent outer covering of the eye?
A. retina
B. iris
C. pupil
D. cornea
Answer: | D |
Photoreceptors in each ocellus receive light only through the opening where there are none of which cells?
A. pigmented
B. secreted
C. opqaue
D. clear
Answer: | A |
What helps form the walls of internal organs such as the heart and stomach?
A. muscles
B. valves
C. tissues
D. blood
Answer: | A |
How many valence electrons does helium have?
A. six
B. three
C. Five
D. two
Answer: | D |
What is continuously changing within a circuit in an analog signal?
A. frequency
B. voltage
C. amplitude
D. energy
Answer: | B |
What is made and stored primarily in the cells of the liver and muscles?
A. carbon dioxide
B. glycogen
C. oxygen
D. glucose
Answer: | B |
Electromagnetic waves vary in wavelength and in what property, which is lower in waves of longer wavelengths?
A. resonance
B. density
C. size
D. frequency
Answer: | D |
In the case of transverse waves, the movement of the medium is perpendicular to the direction of the what?
A. fuel movement
B. pressure movement
C. energy movement
D. friction movement
Answer: | C |
Inserting an extra plane of atoms into a crystal lattice produces what?
A. edge dislocation
B. spot dislocation
C. spot location
D. edge location
Answer: | A |
The core of a nuclear reactor generates a large amount of what type of energy from the decay of fission products, even when the power-producing fission chain reaction is turned off?
A. thermal
B. evaporation
C. erosion
D. elastic
Answer: | A |
Electric current is measured in coulombs per second, also called what?
A. joules
B. amperes
C. watts
D. voltages
Answer: | B |
What is the name of the "point" that refers to the temperature at which water vapor condenses?
A. water point
B. brine point
C. melting point
D. dew point
Answer: | D |
Body plans do provide a succinct way to compare and contrast what?
A. distinctive animal features
B. key animal features
C. degenerative animal features
D. missing animal features
Answer: | B |
Once classified as plants, fungi have chitin rather than cellulose in what cell structures?
A. platelets
B. cell walls
C. mitochondria
D. cell ridges
Answer: | B |
What type of oceans are hostile to algae and cytoplankton?
A. shallower
B. colder
C. deeper
D. warmer
Answer: | D |
Organelles whose membranes are specialized for aerobic respiration are called what?
A. vacuoles
B. mitosis
C. chloroplasts
D. mitochondria
Answer: | D |
The regions of a material where the north and south poles of atoms are aligned are called what?
A. magnetic rays
B. observed domains
C. magnetic domains
D. cores
Answer: | C |
What is another term for body chromosomes?
A. autosomes
B. quasars
C. subsets
D. Chromosomes
Answer: | A |
Unlike amphibians, reptiles do not have what stage?
A. adult
B. larval
C. egg
D. reproductive
Answer: | B |
What basic plant structure can add support and anchorage?
A. roots
B. stems
C. lower leaves
D. soils
Answer: | A |
Locus refers to the position of what on a chromosome, which controls the characteristics of an organism?
A. genome
B. rna
C. gene
D. gamete
Answer: | C |
Fish hatch into larvae that are different from the adult form of?
A. species
B. parasites
C. color
D. sex
Answer: | A |
What kind of islands provide natural protection to shorelines?
A. patch islands
B. barrier islands
C. locational islands
D. edge islands
Answer: | B |
Fruit-eating bats receive food from plants and, in return, help these plants by doing what?
A. fertilizing them
B. pollinating seeds
C. spreading seeds
D. protecting them
Answer: | C |
What is determined by the amount of energy in molecules?
A. kingdom
B. state of matter
C. radioactivity
D. momentum
Answer: | B |
Biomass is the mass of biological what?
A. proteins
B. organisms
C. lipids
D. tissues
Answer: | B |
The primary nitrogenous waste material secreted by ureotelic animals is what substance?
A. nitrate
B. urea
C. ammonia
D. carbon
Answer: | B |
What system makes sure leaked blood returns back to the bloodstream?
A. cerebral
B. somatic
C. lymphatic
D. symptomatic
Answer: | C |
Enthalpy changes are measured by using what?
A. inversion
B. calorimetry
C. fluorescence
D. infraction
Answer: | B |
The cell walls of fungi are made of what?
A. mucous
B. lectin
C. chitin
D. cartilage
Answer: | C |
When blood engorged capillaries leak fluid into neighboring tissues, what occurs?
A. infection
B. bleeding
C. seeping
D. swelling
Answer: | D |
Will contour lines ever cross?
A. always
B. in rare cases
C. no
D. yes
Answer: | C |
Species of organisms that have permanently died out can also be called what?
A. extinct
B. succinct
C. occuring
D. inherited
Answer: | A |
Are the majority of archaea chemotrophs or photosynthetic?
A. chemotrophs
B. autotrophs
C. photosynthetics
D. neither
Answer: | A |
Oxygen is essentially just a waste product of the light reactions of what?
A. electrolysis
B. glycolysis
C. Fibrinolysis
D. photosynthesis
Answer: | D |
What is the process by which almost all plants make food?
A. digestion
B. photosynthesis
C. reactions
D. melting
Answer: | B |
Some enzymes require the presence of a non-protein molecule to function properly. what is that molecule called?
A. cofactor
B. prothetic
C. coenzymes
D. substrate
Answer: | A |
What stimulates the changes of pubery?
A. mutation
B. sex hormones
C. parenting
D. sex education
Answer: | B |
What are the male reproductive cells called?
A. plasma
B. ova
C. mucus
D. sperm
Answer: | D |
What is one function of the nervous system in humans?
A. controlling muscles
B. producing hormones
C. controlling thought
D. controlling emotion
Answer: | A |
What is the diversity of living things called?
A. biodiversity
B. ecosystem
C. degradation
D. life cycle
Answer: | A |
What kind of mammalian reproduction is risky for the offspring but not the mother?
A. monotreme
B. asexual
C. sexual
D. cactaceae
Answer: | A |
What do we call the force of attraction or repulsion between electrically charged particles?
A. mechanical force
B. electromagnetic force
C. chemical force
D. gravitational pull
Answer: | B |
Mendeleev organized what basic units into rows and columns?
A. animals
B. compounds
C. solutions
D. elements
Answer: | D |
What do you call compounds that have covalent bonds?
A. valence compound
B. covalent compounds
C. ions
D. reflectivity compounds
Answer: | B |
What is the term for magma that erupts onto earth's surface?
A. steam
B. debris
C. obsidian
D. lava
Answer: | D |
What changes nitrogen gas from the atmosphere to nitrogen compounds that plants can absorb?
A. viruses
B. bacteria
C. tumors
D. pathogens
Answer: | B |
In vertebrates, ovipary, ovovivipary, and vivipary are different strategies for what vital process?
A. respiration
B. reproduction
C. absorption
D. circulation
Answer: | B |
What waves do radio and television use?
A. radio waves
B. light waves
C. gamma waves
D. sound waves
Answer: | A |
Which factor causes a cannon ball to move horizontally and then fall on the ground?
A. fluid motion
B. cone motion
C. projectile motion
D. downward motion
Answer: | C |
What do electrons lose during their transfer from organic compounds to oxygen?
A. potential energy
B. mechanical energy
C. actual energy
D. thermal energy
Answer: | A |
What are plastids that contain other pigments?
A. lucoplasts
B. chloroplasts
C. cytoplasm
D. chromoplasts
Answer: | D |
Each species of legume is associated with a strain of __________
A. agrobacterium
B. fungi
C. rhizobium
D. heliotropium
Answer: | C |
Algae convert energy from the sun into food by means of what process?
A. photosynthesis
B. luminosynthesis
C. compression
D. glycolysis
Answer: | A |
Which process helps provide cleaner water for agriculture?
A. osmosis
B. sterilization
C. process of desalinization
D. purification
Answer: | C |
What element is an essential part of many molecules needed by living organisms?
A. silicon
B. helium
C. nitrogen
D. hydrogen
Answer: | C |
An atom is the smallest unit of what that maintains the identity of the latter?
A. cell
B. organism
C. mixture
D. element
Answer: | D |
When a solution freezes, only what particles come together to form a solid phase, while the presence of solute particles interferes with that process?
A. pigment
B. hydrogen
C. solvent
D. diluent
Answer: | C |
Liquefaction ccurs when the molecules of a gas are cooled to the point where they no longer possess sufficient kinetic energy to overcome what?
A. bonding attractive forces
B. gravitational attractive forces
C. intermolecular gravitational forces
D. intermolecular attractive forces
Answer: | D |
What is the term for the series of life stages and events that a sexually reproducing organism goes through?
A. age
B. society cycle
C. existence
D. life cycle
Answer: | D |
What is absorbed from food waste in the large intestine before it passes out of the body as feces?
A. dependent water
B. distilled water
C. excess water
D. inactive water
Answer: | C |
What do hydrocarbons consist of?
A. carbon and hydrogen
B. carbon and water
C. carbon and helium
D. carbon and oxygen
Answer: | A |
A major diversification of what animal group occurred about 50 million years ago, possibly spurred by worldwide climate change?
A. insects
B. reptiles
C. amphibians
D. mammals
Answer: | D |
Like a house, your body has what kind of mechanism that responds to changes in temperature?
A. sensitive thermostat
B. mechanical thermostat
C. external thermostat
D. internal thermostat
Answer: | D |
An isometric type of what occurs as the muscle produces tension without changing the angle of a skeletal joint?
A. extension
B. compression
C. contraction
D. acceleration
Answer: | C |
What are important coenzymes or precursors of coenzymes, and are required for enzymes to function properly?
A. vitamins
B. Drugs
C. carbohydrates
D. supplements
Answer: | A |
What have cell-surface antigen receptors for foreign molecules?
A. lymphocytes
B. erythrocytes
C. capillaries
D. dendrites
Answer: | A |
In birds, modified front legs are actually what?
A. claws
B. wings
C. arms
D. tails
Answer: | B |
The number of waves that pass a fixed point in a given amount of time is called what?
A. frequency of a wave
B. wavelength of a wave
C. spectroscopy of a wave
D. spread of a wave
Answer: | A |
How does litmus paper indicate the ph value of a solution?
A. by color
B. by shape
C. by smell
D. by texture
Answer: | A |
What is another term for movable joints?
A. sesamoidal
B. synovial
C. interstitial
D. fibrous
Answer: | B |
What device is a magnetic disc that provides long-term storage for programs and data?
A. cassette
B. hard drive
C. software
D. floppy drive
Answer: | B |
Debroglie proposed in 1924 that any object exhibits a wavelength that is inversely proportional to its?
A. inertia
B. velocity
C. momentum
D. frequency
Answer: | C |
What travels at the interface between the sea surface and the atmosphere?
A. ocean breeze
B. ocean waves
C. ocean tides
D. ocean currents
Answer: | B |
What is the only light that humans can see?
A. distinct light
B. bright light
C. dark light
D. visible light
Answer: | D |
What directs the amino acids to be introduced into the growing protein chain in the proper sequence?
A. rna template
B. organism template
C. gene template
D. organelle template
Answer: | A |
Cellular respiration in humans involves the combustion of what simple sugar?
A. glucose
B. glutamate
C. insulin
D. starch
Answer: | A |
What still causes fatal lung disease in nonsmokers?
A. tobacco smoke
B. nicotine
C. alcohol
D. chewing tobacco
Answer: | A |
Like ants and termites, they grow fungi inside the bark of trees and use it to help do what?
A. digest food
B. weaken enemies
C. clean the nest
D. kill prey
Answer: | A |
For fertilization to occur in angiosperms, pollen has to be transferred to the stigma of what?
A. stem
B. flower
C. leaf
D. root
Answer: | B |
Exothermic reactions in organisms are called what?
A. biogenic reactions
B. nebular reactions
C. nuclear reactions
D. catabolic reactions
Answer: | D |
Prior to birth, the lungs are filled with amniotic fluid, mucus, and what else?
A. surfactant
B. plasma
C. air
D. blood
Answer: | A |
At what point during a chemical reaction is there no net change?
A. equilibrium
B. ionization
C. bonding
D. formation
Answer: | A |
The solution with the higher solute concentration is called what?
A. unsaturated
B. hypertonic
C. hypotonic
D. acetic
Answer: | B |
The three stages of transcription are initiation, elongation, and what?
A. separation
B. prolongation
C. degradation
D. termination
Answer: | D |
A rounded hollow carved in the side of a mountain by a glacier is known as?
A. a cirque
B. a crest
C. a cavern
D. a crater
Answer: | A |
Where do most cnidarians live?
A. ocean
B. hills
C. rocks
D. grass
Answer: | A |
What do a group of cells that work together form?
A. organelle
B. molecule
C. organ
D. tissue
Answer: | D |
Plants alternate between haploid and what?
A. monoplooid
B. diploid
C. monoxoid
D. triploid
Answer: | B |
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