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Electrons can move from one atom to another; when they do, specimens called what, with overall electric charges, are formed?
A. molecules
B. ions
C. cations
D. atoms
Answer: | B |
Energy is absorbed as reactants are converted to products in what kind of chemical reaction?
A. endothermic
B. anaphoric
C. hydrostatic
D. synthesis
Answer: | A |
What is the permanent prevention of gamete production or release called?
A. insemination
B. restoration
C. fertilization
D. sterilization
Answer: | D |
Because pathogenic bacteria typically cause disease by releasing exotoxins or endotoxins, they have potential use as what type of weapon?
A. radioactive
B. pandemic
C. bioterrorism
D. nuclear missile
Answer: | C |
What cycle vital to plants includes a process called denitrification?
A. nitrogen cycle
B. sedimentation cycle
C. carbon cycle
D. photosynthesis
Answer: | A |
Cerebral palsy is a disease caused by injury to what organ as it is developing?
A. liver
B. brain
C. skin
D. heart
Answer: | B |
What substance is removed from waste as it passes through the large intestine?
A. nutrients
B. air
C. water
D. blood
Answer: | C |
The distance between two consecutive z discs or z lines is called what?
A. contractile
B. sarcomere
C. radius
D. ligule
Answer: | B |
What is the largest taxonomic rank?
A. domain
B. top
C. sublet
D. core
Answer: | A |
Which system is divided into the somatic and autonomic nervous systems?
A. central nervous system
B. auxiliary nervous system
C. local nervous system
D. peripheral nervous system
Answer: | D |
The composition of the magma determines if the rock is mafic, felsic, or what?
A. intermediate
B. porous
C. magnetic
D. variable
Answer: | A |
The shape of the path of an object undergoing projectile motion is called?
A. a triangle
B. spherical
C. linear
D. a parabola
Answer: | D |
What type of animals breathe with gills as larvae and with lungs as adults?
A. amphibians
B. mammals
C. reptiles
D. insects
Answer: | A |
The most abundant formed elements in blood, erythrocytes are red, biconcave disks packed with an oxygen-carrying compound called this?
A. hemoglobin
B. hydrogen
C. plasma
D. pus
Answer: | A |
What is the scale on which acidity is measured?
A. hp
B. μg
C. μm
D. ph
Answer: | D |
Almost all fungi reproduce asexually by producing what?
A. roots
B. spores
C. atoms
D. ions
Answer: | B |
Thomson’s plum pudding model shows the structure of what?
A. atom
B. cell
C. DNA
D. nucleus
Answer: | A |
What type of carbons may be gases, liquids, or solids at room temperature?
A. graphites
B. diamonds
C. amorphous
D. hydrocarbons
Answer: | D |
What diagnostic technology uses high-frequency vibrations transmitted into any tissue in contact with the transducer?
A. sonar
B. radiation
C. ultrasound
D. laser
Answer: | C |
At what time of life does menopause occur?
A. in middle adulthood
B. young adulthood
C. old age
D. adolescence
Answer: | A |
What type of current carries warm air from surrounding rocks to an animal's body?
A. ventilation
B. radiation
C. electric
D. convection
Answer: | D |
What quality of sound makes a tuba and a piccolo very different to a listener?
A. curve
B. pitch
C. tune
D. wavelength
Answer: | B |
Where is the food supply and embryo stored in a seed?
A. plumule
B. epicotyl
C. hull
D. tegmen
Answer: | C |
Most arthropods are insects. the phylum also includes spiders, centipedes, and what?
A. crustaceans
B. amphibians
C. coral
D. crystals
Answer: | A |
A cartilaginous joint where the bones are joined by fibrocartilage is called a what?
A. symphysis
B. Testes
C. mitosis
D. vesicles
Answer: | A |
The horizontal stems on strawberry plants are called what?
A. stolons
B. nodules
C. glands
D. buds
Answer: | A |
What are the newest, outer layers of secondary xylem called?
A. fibrous
B. bark
C. sapwood
D. vascular
Answer: | C |
Most amphibians breathe with these as larvae?
A. nostrils
B. gills
C. lungs
D. pores
Answer: | B |
Defined as a substance in foods and beverages that is essential to human survival, what term encompasses water, energy-yielding and body-building substances, and vitamins and minerals?
A. sustenance
B. molecules
C. nutrients
D. calories
Answer: | C |
Genetic disorders are diseases caused by what?
A. traits
B. environment
C. mutations
D. lesions
Answer: | C |
Transgenic animals are animals that have incorporated a gene from another species into their what?
A. habitats
B. genome
C. enemies
D. food
Answer: | B |
What structure of a cell is enclosed by a membrane and contains most of the cell’s dna?
A. vacuole
B. ribosome
C. nucleus
D. epidermis
Answer: | C |
Does air temperature increase or decrease as it rises higher in the atmosphere?
A. increase
B. neither
C. decrease
D. both
Answer: | C |
During what do homologous chromosomes separate and go to different daughter cells?
A. meiosis
B. electrolysis
C. birth
D. mitosis
Answer: | A |
The light reactions take place in which membranes?
A. the cell membranes
B. the thylakoid
C. the stroma
D. the phospholipid
Answer: | B |
Fossils themselves and the order in which they appear in are generally collectively called what?
A. coal record
B. fossil record
C. fossil magnitude
D. fuel cycle
Answer: | B |
Hormones send what through your body?
A. nutrients
B. proteins
C. signals
D. cells
Answer: | C |
What does the armor including spines in some species offer?
A. energy
B. protection from predators
C. nutrition
D. protection from cold
Answer: | B |
Individual nucleotides can be linked together through their phosphate groups to form?
A. nitrous acid polymers
B. atoms
C. dna
D. nucleic acid polymers
Answer: | D |
The name silicon is derived from the latin word for flint?
A. silk
B. silex
C. pelea
D. simple
Answer: | B |
What two types of juices help digestion within the small intestine?
A. chyme and phloem
B. amniotic fluid, bile
C. bile and lymph
D. intestinal and pancreatic
Answer: | D |
Cells in a biofilm secrete what to recruit nearby cells?
A. signaling molecules
B. signaling neurons
C. harnessing molecules
D. signaling proteins
Answer: | A |
A standing wave is created when what type of wave interferes with the original wave?
A. translated wave
B. reflected wave
C. refracted wave
D. realized wave
Answer: | B |
The kidneys are a pair of bean-shaped structures that are located just below and posterior to the liver in this?
A. cerebral cavity
B. mantle cavity
C. peritoneal cavity
D. stomach cavity
Answer: | C |
What term means anything that is detected either through human senses or with instruments and measuring devices that extend human senses?
A. evacuation
B. variation
C. evaluation
D. observation
Answer: | D |
The white fluffy part of popcorn is also what?
A. jiffy
B. phosphor
C. endosperm
D. membrane
Answer: | C |
What change can you expect in vectors that are perpendicular to each other?
A. Molecular Reaction
B. Large Effect
C. no effect
D. Chemical reaction
Answer: | C |
Where is roughage fermented and digested in pseudo-ruminants?
A. in their cecum
B. in their appendix
C. in their ileum
D. in their pancreas
Answer: | A |
How quickly a population changes in size over time is known as what?
A. population growth rate
B. population direction rate
C. population multiplication rate
D. population impact rate
Answer: | A |
Electromagnetic waves transfer energy across space as well as through what?
A. osmosis
B. matter
C. filtering
D. plasma
Answer: | B |
What is the term for abnormally low blood levels of carbon dioxide?
A. hepatitis
B. spirogyra
C. trichina
D. hypocapnia
Answer: | D |
The vivid colors of flowers are an adaptation designed to encourage what by animals such as insects and birds?
A. consumption
B. flowering
C. eating
D. pollination
Answer: | D |
Arthropods change into the adult form in a process called what?
A. metamorphosis
B. parthenogenesis
C. budding
D. spontaneous mutation
Answer: | A |
What is the largest part of the brain?
A. cerebellum
B. stem
C. cerebrum
D. limbic system
Answer: | C |
What type of weathering breaks rock into smaller pieces?
A. mechanical weathering
B. chemical weathering
C. chemical erosion
D. fluid weathering
Answer: | A |
The coordination sphere consists of the central metal ion or atom plus its attached what?
A. subunits
B. ligands
C. strands
D. molecules
Answer: | B |
What functions like a flexible coat of armor, preventing the protist from being torn or pierced without compromising its range of motion?
A. pellicle
B. endothelium
C. fimbriae
D. biofilm
Answer: | A |
The marine west coast climate gets lots of rain because of what being nearby?
A. the ocean
B. highways
C. the mountains
D. the Sun
Answer: | A |
What determines whether a volcanic eruption will be explosive or not?
A. lava temperature
B. magma velocity
C. thickness of magma
D. curve of magma
Answer: | C |
Platinum and gold are useful materials for constructing circuits because of their ability to resist what?
A. decomposition
B. oxidation
C. Electricity
D. nitrogen
Answer: | B |
How many set of chromosomes do moss have?
A. triple set
B. double set
C. single set
D. none
Answer: | C |
When you change a magnetic field through electromagnetic induction what do you create?
A. Light Current
B. cooling current
C. microwave current
D. electric current
Answer: | D |
Morphological and molecular data indicate that wings evolved how many times in insects?
A. twice
B. once
C. many times
D. never
Answer: | B |
Nonmetal structures contain what type of bonds?
A. prevalent
B. covalent
C. gravitational
D. polymeric
Answer: | B |
Gas lines should be made of what so they do not rupture?
A. flexible material
B. Hard material
C. adjustment material
D. typically material
Answer: | A |
What is the lipid-rich sheath that surrounds the axon and facilitates the transmission of electrical signals along the axon?
A. receptors sheath
B. myelin sheath
C. neural sheath
D. axon sheath
Answer: | B |
Where is urine formed in the body?
A. the pancreas
B. the lungs
C. the kidneys
D. the liver
Answer: | C |
What is the term for rain consisting of water with a ph below 5?
A. Hot Rain
B. carbon rain
C. produce rain
D. acid rain
Answer: | D |
What type of ecosystem do polar bears live in?
A. oceanic
B. arctic
C. natural
D. tropical
Answer: | B |
Pseudopods are false what?
A. feet
B. teeth
C. eyes
D. fingers
Answer: | A |
Ionic bonds are what kind of attraction between ions?
A. electrostatic
B. kinetic
C. nuclear
D. magnetic
Answer: | A |
What type of change occurs when matter changes chemically into an entirely different substance with different chemical properties?
A. physical
B. material
C. genetic
D. chemical
Answer: | D |
Australia is home to many endemic species. the (a) wallaby (wallabia bicolor), a medium-sized member of the kangaroo family, is a pouched mammal, or this?
A. marsupial
B. placental
C. primate
D. rodent
Answer: | A |
What do you call structures like a whale's pelvic bones, which were once attached to legs, or wings that cannot be used for flight?
A. primitive
B. vestigial
C. primordial
D. distinctive
Answer: | B |
What type of hybridization does ammonia undergo?
A. ionic hybridization
B. nh3 hybridization
C. h2O hybridization
D. sp 3 hybridization
Answer: | D |
What does increased temperature do to a substance's kinetic energy?
A. increases
B. generates
C. nothing
D. decreases
Answer: | A |
What natural process is associated with the death of cells?
A. cooling
B. aging
C. reducing
D. dissolving
Answer: | B |
What color and shape are cumulus clouds?
A. dark and tall
B. white and wispy
C. dark and wispy
D. white and puffy
Answer: | D |
During the early paleozoic, the amount of carbon dioxide in the atmosphere compared to today was?
A. much greater
B. none
C. the same
D. much lower
Answer: | A |
Physical science is defined as the study of what?
A. matter & elements
B. light & matter
C. matter & energy
D. biology & light
Answer: | C |
What do you call the two ends of a magnet where the magnetic effect is strongest?
A. poles
B. plates
C. opposites
D. magnetos
Answer: | A |
The scale that is used to measure the loudness of sound measures their loudness in what?
A. weight
B. decibels
C. centimeters
D. waves
Answer: | B |
What are located on either side of the pharynx in the throat?
A. lymph nodes
B. testicles
C. wrinkles
D. tonsils
Answer: | D |
What kind of reproduction requires the fusion of male and female gametes?
A. subject reproduction
B. sexual reproduction
C. autonomous reproduction
D. asexual reproduction
Answer: | B |
Diseases of the lungs, bronchial tubes, trachea, nose, and throat affect what organ system?
A. respiratory
B. skin
C. digestive
D. heart
Answer: | A |
What factor other than genes is important in determining adult height?
A. intelligence
B. cultivation
C. relaxation
D. nutrition
Answer: | D |
What does burning wood release into the atmosphere?
A. carbon dioxide
B. hydrogen chloride
C. oxygen
D. helium
Answer: | A |
The largest region of each of the palatine bone is the what?
A. big plate
B. magnetic plate
C. horizontal plate
D. abnormal plate
Answer: | C |
What does viscosity do to liquids?
A. responsive to flowing
B. salinity to flowing
C. resistant to flowing
D. condusive to flowing
Answer: | C |
What system is involved in diseases that include type 1 diabetes, rheumatoid arthritis and multiple sclerosis?
A. digestion system
B. circulatory system
C. nervous system
D. immune system
Answer: | D |
What are are organisms that feed on small pieces of organic matter?
A. deposit feeders
B. difference feeders
C. bottom feeders
D. waste feeders
Answer: | A |
What process would be impossible without some variation in the inherited traits of organisms within a species?
A. natural selection
B. darwin's selection
C. characteristic selection
D. environmental selection
Answer: | A |
Monoecious flowers are also known as “perfect” flowers because they contain both types of what organ?
A. phloem
B. respiratory organ
C. vascular organ
D. sex organ
Answer: | D |
Human beings depend on learned behaviors more than any other?
A. species
B. Beings
C. Organisms
D. mammals
Answer: | A |
Oxygen, carbon, hydrogen and what other element make up approximately 96% of living matter?
A. nitrogen
B. helium
C. calcium
D. silicon
Answer: | A |
What type electrical circuits have multiple paths the current may take?
A. parallel
B. perpendicular
C. single loop
D. serial
Answer: | A |
Hydrophobic interactions arise because water molecules engage in what type of bonding with other water molecules?
A. aquatic bonding
B. oxygen bonding
C. helium bonding
D. hydrogen bonding
Answer: | D |
What is the second most common skin cancer?
A. squamous cell carcinoma
B. melanoma
C. basal cell carcinoma
D. precancerous cell carcinoma
Answer: | A |
Species divergence often, but not always, occurs because of what type of barrier between species?
A. language
B. visible
C. physical
D. emotional
Answer: | C |
The chytrids the only class in the phylum chytridiomycota is the chytridiomycetes. the chytrids are the simplest and most primitive eumycota, or true this?
A. fungi
B. acids
C. proteins
D. organisms
Answer: | A |
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