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Mammals can feed at various levels of food chains, as herbivores, insectivores, carnivores and what else?
A. omnivores
B. blood eaters
C. nematodes
D. vegetarians
Answer: | A |
What are winds that blow over a limited area called?
A. Planetary Winds
B. Periodic Winds
C. local winds
D. trade winds
Answer: | C |
Descending fibers from the cerebrum have branches that connect to neurons in the pons. those neurons project into the cerebellum, providing a copy of motor commands sent to this?
A. cerebral cortex
B. neurotransmitters
C. spinal cord
D. umbilical cord
Answer: | C |
An element is defined by the number of ____ it contains?
A. particles
B. electrons
C. protons
D. neutrons
Answer: | C |
What term is used to describe the distance traveled divided by the time it took to travel that distance?
A. velocity
B. movement
C. motion
D. speed
Answer: | D |
Which gas is released by the group of archaea known as methanogens?
A. propane
B. butane
C. sulfur
D. methane
Answer: | D |
Of the four main wobble base pairs, guanine is paired with what?
A. cytosine
B. uracil
C. thymine
D. adenine
Answer: | B |
The atoms of a compound are held together by what type of bonds?
A. radiation
B. chemical
C. mineral
D. covalent
Answer: | B |
Unlike energy, what happens to matter in ecosystems?
A. it is recycled
B. it is filtered
C. it is destroyed
D. it does not exist
Answer: | A |
The anion is the methanoate ion, which is commonly called the what?
A. isomer
B. glutathione ion
C. formate ion
D. metabolized ion
Answer: | C |
Drinking too much water too fast can lead to what potentially fatal condition, which causes dangerous changes to salt levels?
A. osmosis
B. drowning
C. water intoxication
D. inebriation
Answer: | C |
When electrons move from one atom to another, they become what?
A. ions
B. atoms
C. neons
D. particles
Answer: | A |
Another way to classify matter is to describe it as a solid, a liquid, or a gas, which was done in the examples of solutions. these three descriptions, each implying that the matter has certain physical properties, represent the three of these?
A. phases of mass
B. phases of matter
C. forms of substances
D. types of at... | B |
What is the health-threatening smoke exhaled by a cigarette smoker or released from tobacco products?
A. secondary smoke
B. primary smoke
C. secondhand smoke
D. contamination smoke
Answer: | C |
Why do waves travel faster through solids?
A. particles fuse together
B. particles closer together
C. particles range together
D. particles pipe together
Answer: | B |
What is the point on the ground that is located directly above where underground rocks fracture (or the "focus" point)?
A. fault line
B. danger zone
C. epicenter
D. seismic point
Answer: | C |
When atoms gain or lose electrons, they can form electrically charged particles called what?
A. eons
B. ions
C. crystals
D. toxins
Answer: | B |
What do you call a pure substance that cannot be broken down into different types of substances?
A. sample
B. molecule
C. compound
D. element
Answer: | D |
Natural selection can only take place if there is variation, or differences, among individuals in a population. importantly, these differences must have some genetic basis; otherwise, the selection will not lead to change in this?
A. fertilization
B. next generation
C. spontaneous mutation
D. mass extinction
Answer: | B |
The large hadron collider is the biggest type of what invention, which boosts particles to high energies?
A. electron microscope
B. nuclear reactor
C. particle accelerator
D. mass spectrometer
Answer: | C |
Metals, metalloids, and nonmetals are the different classes of what?
A. ions
B. elements
C. structures
D. compounds
Answer: | B |
What holds homologs together as the spindle forms for the first meiotic division?
A. pollenation
B. chiasmata
C. spirogyra
D. magnetism
Answer: | B |
In the periodic table, elements are arranged from left to right according to what property?
A. real mass
B. metallic mass
C. major mass
D. atomic mass
Answer: | D |
What is made of gases that are essential for photosynthesis and other life activities?
A. stratosphere
B. atmosphere
C. air
D. ocean
Answer: | B |
When a stream flows from a hard to soft rock area, what is often formed?
A. a lake
B. a river
C. a riverbank
D. a waterfall
Answer: | D |
What term means taking used items and materials and turning them into something new?
A. collecting
B. recycling
C. feeding
D. reproducing
Answer: | B |
What lets different species of anole lizards live in the same area without competing?
A. cooperation
B. concentration
C. variation
D. specialization
Answer: | D |
What are made in the first step of the scientific method?
A. patterns
B. conclusions
C. observations
D. hypothesis
Answer: | C |
What type of organisms do not need blood?
A. marine
B. vertebrate
C. single-celled
D. cold-blooded
Answer: | C |
What type of plants are the mosses, the hornwarts, and the liverworts considered to be?
A. xerophyte
B. spirogyra
C. Vascular
D. nonvascular
Answer: | D |
Wearing what will reduce the amplitude of sound waves entering the ears?
A. hardhat
B. megaphone
C. goggles
D. hearing protectors
Answer: | D |
What type of motion only occurs when there is one force applied at the beginning of the trajectory after which there is no interference apart from gravity?
A. velocity
B. thrust
C. projectile
D. propellant
Answer: | C |
What type of energy is produced when two objects move together?
A. mechanical energy
B. molecular energy
C. potential energy
D. physical energy
Answer: | A |
Which form of matter assumes the shape of its container?
A. liquids
B. solids
C. gas
D. crystals
Answer: | C |
What type of energy is possessed by autumn leaves before they fall?
A. kinetic energy
B. radioactive energy
C. potential energy
D. mechanical energy
Answer: | C |
The heterotroph eats only or mainly what?
A. roots
B. plants
C. decomposers
D. animals
Answer: | B |
All carbon atoms have how many protons?
A. two
B. six
C. eight
D. one
Answer: | B |
The cerebellum is associated with what major human organ?
A. bladder
B. liver
C. heart
D. brain
Answer: | D |
The kinetic energy of a moving object depends on it's mass and it's what?
A. liquid content
B. iron content
C. volume
D. shape
Answer: | C |
Electromagnetic waves are comprised of what two types of energy?
A. kinetic and electric
B. magnetic and gravitational
C. electric and magnetic
D. solar and kinetic
Answer: | C |
Cranial nerves convey specific sensory information from the head and neck directly to what organ?
A. heart
B. eye
C. brain
D. nose
Answer: | C |
Where are the viral enzyme and genome packaged inside?
A. pollen grains
B. viral capsid
C. ribosomes
D. mitochondria
Answer: | B |
What would cause warm receptors to signal the hypothalamic thermostat?
A. hyperventilation
B. hypothermia
C. increased temperature
D. lower temperature
Answer: | C |
The direction of the force of gravity is in what direction?
A. fragmented line
B. straight line
C. curved line
D. staggered line
Answer: | B |
Sickle-cell anemia, leukemia, lymphoma, and hemophilia are examples of what types of disease?
A. blood disease
B. Bone Diease
C. microscopic disease
D. Cancer
Answer: | A |
In hypothesis-based science, specific results are predicted from a general premise, which is called what type of reasoning that proceeds from general to particular?
A. reactive
B. deductive
C. transitive
D. reflexive
Answer: | B |
The process by which an organism develops from a single-celled zygote to a multi-cellular organism is complex and well regulated. the regulation occurs through signaling between cells and tissues and responses in the form of what?
A. differential gene expression
B. spontaneous mutation
C. phenotype exchange
D. dna repl... | A |
The development of specific structures in specific locations is called what?
A. speciation
B. pattern formation
C. specialty skills
D. adaptation
Answer: | B |
An experiment generates what to support a hypothesis?
A. evidence
B. study
C. reason
D. falsehoods
Answer: | A |
What is the outermost occupied shell of electrons in an atom.
A. valence shell
B. radiative shell
C. modular shell
D. Inner Shell
Answer: | A |
What ear structure has three fluid filled ducts, including the organ of corti, where sound waves in air go to vibration?
A. saccule
B. semicirciular canal
C. cochlea
D. utricle
Answer: | C |
What is the name for elements that neither contain carbon nor come from living things?
A. acids
B. pigments
C. minerals
D. contaminants
Answer: | C |
Kinetic energy is energy of this?
A. motion
B. food
C. speed
D. gravity
Answer: | A |
Reproduction in prokaryotic cells is by what process of growth, enlargement and division?
A. binary fission
B. mitosis
C. photosynthesis
D. budding
Answer: | A |
Why do some dry fruits split open at maturity?
A. to release toxins
B. to regenerate
C. to release seeds
D. to release berries
Answer: | C |
What is an ionic bond in nature?
A. radioactive
B. kinetic
C. magnetic
D. electrostatic
Answer: | D |
Most air masses form over what two types of regions?
A. polar and arctic
B. polar and tropical
C. marine and tropical
D. arctic and marine
Answer: | B |
Earthworms are important deposit feeders that help form and enrich what material?
A. soil
B. shale
C. coal
D. wood
Answer: | A |
Growth, morphogenesis, and cell differentiation produce the plant what?
A. fur
B. body
C. tail
D. fat
Answer: | B |
What is a fold of the outer skin lining the shell called?
A. stack
B. mantle
C. cortex
D. marble
Answer: | B |
What sciences are the study of living organisms?
A. earth sciences
B. life sciences
C. physical sciences
D. social sciences
Answer: | B |
Frogs are amphibians that live part of the time in fresh water and rest of the time where?
A. in salt water
B. in stagnant water
C. on land
D. underground
Answer: | C |
Name the missing type of friction: static, rolling, fluid _____?
A. falling
B. turning
C. dragging
D. sliding
Answer: | D |
What is the study of how living organisms interact with each other and with their environment?
A. genetics
B. botany
C. zoology
D. ecology
Answer: | D |
What are electrons lost during the formation of ions called?
A. catalysts
B. cations
C. isotopes
D. oxides
Answer: | B |
Making a specific statement based on a general principle is the definition of what type of reasoning?
A. deductive
B. transitive
C. inference
D. inductive
Answer: | A |
The earth's magnetic poles have done what repeatedly in the past?
A. stayed the same
B. demagnetized
C. rotated
D. switched places
Answer: | D |
What do we call the orderly sequence of events in the life of a cell from the division of a single parent cell to produce two new daughter cells, to the subsequent division of those daughter cells?
A. circadian cycle
B. cell replication
C. cell cycle
D. cell death
Answer: | C |
What are natural resources which can be replaced in a relatively short period called?
A. materials resources
B. replaceable resources
C. renewable resources
D. solvent resources
Answer: | C |
The biological electron transport chain provides for an orderly, stepwise transfer of electrons. both nadh (reduced nicotinamide adenine dinucleotide) and fadh2 (reduced flavin adenine dinucleotide) are energy rich molecules that liberate a large amount of energy during what?
A. evaporation
B. oxidation
C. conduction
D... | B |
The cells within meristems divide relatively frequently, generating additional what?
A. chlorophyll
B. proteins
C. cells
D. photosynthesis
Answer: | C |
Another unit of energy, used widely in the health professions and everyday life, is _______?
A. carbs
B. calorie ( cal )
C. biomass ( cal )
D. body index
Answer: | B |
What are the specfic types of proteins that determine your blood type called?
A. antibodies
B. Plasma
C. Globulins
D. antigens
Answer: | D |
Which layer of soil experiences the most weathering?
A. humus
B. subsoil
C. bedrock
D. top layer
Answer: | D |
Osteoporosis, osteoarthritis, fractures, and sprains are problems affecting what system?
A. tissues system
B. skeletal system
C. digestive system
D. nervous system
Answer: | B |
What are typically arranged into complex tubular networks with extensive surface areas?
A. hair follicles
B. Golgi apparatus
C. alveoli
D. transport epithelia
Answer: | D |
What is the simplest unit of structure and function of all living organisms called?
A. partical
B. atom
C. molecule
D. cell
Answer: | D |
Activities that can reduce the effects of what condition include exercises to keep the blood and lymph flowing through affected areas?
A. inflammation
B. anemia
C. edema
D. asthma
Answer: | C |
An alloy is a mixture of metals that has bulk metallic properties different from those of its what?
A. system elements
B. constituent elements
C. nuclear elements
D. mineral elements
Answer: | B |
There are two types of digestion, mechanical and what else?
A. mineral
B. chemical
C. radiation
D. thermal
Answer: | B |
What is the rate at which energy is being transferred called?
A. force
B. electric
C. power
D. pressure
Answer: | C |
Where does the process of assembling amino acids into a protein take place?
A. in the chitin
B. in the ribosome
C. in the nucleus
D. in chromosomes
Answer: | B |
Where can you find sodium acetate?
A. baking soda
B. table salt
C. a heat pack
D. a cold pack
Answer: | C |
For a given amount of solute, do smaller particles have a greater or lesser surface area?
A. lesser
B. greater
C. neither
D. equal
Answer: | B |
What is the functional unit of compact bone?
A. the osteon
B. the canton
C. the boron
D. the auteron
Answer: | A |
Mineralocorticoids are hormones synthesized by the adrenal cortex that affect what balance, by regulating sodium and water levels?
A. homeostasis
B. equilibrium
C. osmotic
D. blood pressure
Answer: | C |
The pulmonary circulation carries blood between what two organs?
A. kidney and heart
B. lungs and kidney
C. heart and pancreas
D. heart and lungs
Answer: | D |
The ancient greek philosopher aristotle thought that all matter consists of just four what, which he identified as earth, air, water, and fire?
A. ingredients
B. structures
C. compounds
D. elements
Answer: | D |
What are archaea that live in extremely hot environments called?
A. tardigrades
B. thermophiles
C. hypothermic
D. hemophiliacs
Answer: | B |
Warming conditions and, perhaps, human activities contributed to what fate of many organisms of the pleistocene era?
A. accumulation
B. evolution
C. extinction
D. overpopulation
Answer: | C |
Practical limits of van de graaff generators arise because the large electric fields polarize and eventually do what to surrounding materials?
A. isolate
B. displace
C. decompose
D. ionize
Answer: | D |
The remainder is transferred by contraction of what before the ventricles begin to contract?
A. the atria
B. the arteries
C. the stomach
D. the large intestine
Answer: | A |
Chromatin condenses into chromosomes during prophase, the first and longest phase of what process?
A. reproduction
B. meiosis
C. apoptosis
D. mitosis
Answer: | D |
What do plants lose the most of through the stomata?
A. energy
B. heat
C. water
D. chlorophyll
Answer: | C |
Unburned hydrocarbons can more easily be converted to carbon dioxide and water in the presence of a what?
A. catalyst
B. Ethanol
C. methane
D. temperature
Answer: | A |
What do plasmodesmata connect to in the plant cell?
A. nuclei
B. sporozoans
C. cytoplasms
D. pores
Answer: | C |
What are compounds composed of only two elements called?
A. digital compounds
B. kinetic compounds
C. symbiotic compounds
D. binary compounds
Answer: | D |
What type of gases trap heat in the atmosphere, causing earth to have a moderate temperature?
A. greenhouse gases
B. ozone gases
C. carbon monoxides
D. sulfuric gases
Answer: | A |
What system is the brain the control center of?
A. nervous
B. fibrous
C. circulatory
D. adrenal
Answer: | A |
Air pollution can cause disease of what system by affecting the health of your lungs?
A. respiratory
B. excretory
C. cardiac
D. digestive
Answer: | A |
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