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Insect wings are part of the exoskeleton and attached to the what?
A. spines
B. neck
C. head
D. thorax
Answer:
|
D
|
sciq
|
What was the informal female name given to the adult fossil found in ethiopia and thought to be over 3 million years old?
A. linda
B. aunt
C. lucy
D. alice
Answer:
|
C
|
sciq
|
What is the term for a formula that shows the elements in a compound in their lowest whole-number ratio?
A. intrinsic formula
B. Dwarf Formula
C. empirical formula
D. measured formula
Answer:
|
C
|
sciq
|
What is defined as the spreading of white light into its full spectrum of wavelengths?
A. combustion
B. dispersion
C. saturation
D. immersion
Answer:
|
B
|
sciq
|
What is used in the growth, development, functioning and reproduction of all known living organisms and many viruses?
A. dna
B. bacteria
C. enzymes
D. viruses
Answer:
|
A
|
sciq
|
When methane burns, what is produced along with carbon dioxide?
A. water
B. nitrogen
C. oxygen
D. hydrogen
Answer:
|
A
|
sciq
|
What helps pumice float in water?
A. high density
B. large mass
C. gravity
D. gas bubble holes
Answer:
|
D
|
sciq
|
What land mammal has the longest gestation period?
A. Asian elephant
B. Giraffe
C. Rhino
D. african elephant
Answer:
|
D
|
sciq
|
What sustains the fetus while it grows inside the mother’s uterus?
A. placenta
B. endometrium
C. bacteria
D. mitochondria
Answer:
|
A
|
sciq
|
Two kinds of sex hormones are of particular importance in females: progesterone, which prepares the uterus for pregnancy and prevents the further release of eggs from the ovaries during pregnancy, and the estrogens, which are mainly responsible for the development of female secondary sexual characteristics, such as breast development and increased deposition of this?
A. bone
B. blood
C. muscle
D. fat
Answer:
|
D
|
sciq
|
Zoonotic pathogens are transferred from what to what?
A. animals to animals
B. animals to humans
C. humans to animals
D. humans to humans
Answer:
|
B
|
sciq
|
Restriction enzymes or restriction endonucleases are prokaryotic enzymes that recognize and cut what at specific sequences?
A. bacteria
B. mitochondria
C. dna
D. rna
Answer:
|
C
|
sciq
|
What are chemical reactions represented by?
A. nuclear equations
B. liquid equations
C. carbon equations
D. chemical equations
Answer:
|
D
|
sciq
|
The length of the sloped surface of a ramp is referred to as what?
A. accumulation distance
B. furlong
C. input distance
D. output distance
Answer:
|
C
|
sciq
|
Producers, primary consumers, higher-level consumers, and decomposers are levels in what?
A. food model
B. food chain
C. energy chain
D. food flowchart
Answer:
|
B
|
sciq
|
Parthenogenis in komodo dragons is an example of what kind of reproduction, whereby offspring are created from just one parent?
A. organic reproduction
B. natural reproduction
C. asexual reproduction
D. benthic reproduction
Answer:
|
C
|
sciq
|
The value that occurs most often in a data set is called the?
A. type
B. mode
C. median
D. mean
Answer:
|
B
|
sciq
|
Over time, deposited sediments may harden into what?
A. deltas
B. rocks
C. fossils
D. coral
Answer:
|
B
|
sciq
|
What is the most useful quantity for counting particles?
A. the vector
B. the coefficient
C. the mole
D. the periodic table
Answer:
|
C
|
sciq
|
What is the failure of replicated chromosomes during meiosis to separate known as?
A. separation
B. regression
C. nondisjunction
D. pollenation
Answer:
|
C
|
sciq
|
In angiosperms, flowers and fruits are adaptations essential for what process?
A. death
B. photosynthesis
C. reproduction
D. variation
Answer:
|
C
|
sciq
|
Through what part do exocrine glands discharge their contents?
A. urethra
B. tubular ducts
C. capillaries
D. follicles
Answer:
|
B
|
sciq
|
Where do plankton, nekton, and benthos live?
A. deserts
B. arctic
C. forests
D. in the oceans
Answer:
|
D
|
sciq
|
What gland is a butterfly-shaped organ located in the neck anterior to the trachea?
A. pineal gland
B. pituitary gland
C. thyroid gland
D. adrenal gland
Answer:
|
C
|
sciq
|
What cause the rippled surface of the ocean?
A. tides
B. earthquakes
C. winds
D. waves
Answer:
|
D
|
sciq
|
What small glands are abundant within the mucous membranes of the mouth and tongue?
A. hypothalamus glands
B. localized glands
C. retinal glands
D. salivary glands
Answer:
|
D
|
sciq
|
What is the term for the development of an embryo inside an egg within the mother’s body until it hatches?
A. asexual reproduction
B. ovovivipary
C. spawning
D. pregnancy
Answer:
|
B
|
sciq
|
Where does carbohydrate digestion begin in the body?
A. stomach
B. mouth
C. throat
D. intestines
Answer:
|
B
|
sciq
|
When did new plants start sprouting after the forest fire?
A. two weeks later
B. two months later
C. five months later
D. two days later
Answer:
|
B
|
sciq
|
What are the largest known proteins called?
A. aminos
B. sporozoans
C. titins
D. obscures
Answer:
|
C
|
sciq
|
Metals, fossil fuels, and water are all examples of what type of resource?
A. ores
B. natural resources
C. recyclables
D. renewable resources
Answer:
|
B
|
sciq
|
What is the force that causes centripetal acceleration?
A. gravity
B. Tension Force
C. centripetal force
D. pressure
Answer:
|
C
|
sciq
|
Pressure and ________ are directly proportional at a constant volume?
A. heating
B. speed
C. precipitation
D. temperature
Answer:
|
D
|
sciq
|
What is the process by which plants capture the energy of sunlight and use carbon dioxide from the air (and water) to make their own food called?
A. photochemistry
B. photosynthesis
C. spermatogenesis
D. atherosclerosis
Answer:
|
B
|
sciq
|
Categorized based on how they produce their mrna using the baltimore classification method, what consist of a nucleic acid core surrounded by a protein capsid with or without an outer lipid envelope?
A. viruses
B. parasites
C. bacteria
D. amphibians
Answer:
|
A
|
sciq
|
Primary alcohols are oxidized to form what?
A. aldehydes
B. alloys
C. oxides
D. enzymes
Answer:
|
A
|
sciq
|
Where does electric power originate?
A. power plants
B. coal mines
C. the Sun
D. magnets
Answer:
|
A
|
sciq
|
What type of fertilization do most reptiles use to reproduce?
A. mechanical
B. internal
C. external
D. asexual
Answer:
|
B
|
sciq
|
Visible light is part of what spectrum?
A. eclipse spectrum
B. mechanical spectrum
C. electromagnetic spectrum
D. molecular spectrum
Answer:
|
C
|
sciq
|
Amino acids are made by which kind of plastid?
A. glucoplasts
B. leucoplasts
C. neuroplasts
D. sporozoans
Answer:
|
B
|
sciq
|
The amount of power passed through transmission lines can be calculated by multiplying voltage by what?
A. current
B. amplification
C. resistance
D. induction
Answer:
|
A
|
sciq
|
When a balloon is rubbed against hair, they attract each other because of a difference in what?
A. Friction
B. Force
C. actions
D. charges
Answer:
|
D
|
sciq
|
The cell starting meiosis is called a what?
A. primary gamete
B. primary oocyte
C. secondary oocyte
D. zygote
Answer:
|
B
|
sciq
|
A wave is the transfer of energy through what else?
A. air
B. matter
C. gas
D. liquid
Answer:
|
B
|
sciq
|
What nest of cells protect the egg as it matures in the ovary?
A. the epidermis
B. the clump
C. the tube
D. the follicle
Answer:
|
D
|
sciq
|
Why do beer brewers add yeast to the wort?
A. increase longevity
B. add carbonation
C. reduce alcohol
D. to make alcohol
Answer:
|
D
|
sciq
|
Amino acids broken down by metabolic process are mostly recycled into new what?
A. enzymes
B. proteins
C. lipids
D. hormones
Answer:
|
B
|
sciq
|
What type of logic can lead to important conclusions from the collecting and analyzing of observations?
A. inductive reasoning
B. conductive reasoning
C. primitive reasoning
D. gravitational reasoning
Answer:
|
A
|
sciq
|
Screws move objects to a higher elevation by increasing what?
A. torque
B. kinetic energy
C. force applied
D. velocity
Answer:
|
C
|
sciq
|
What is the second state of photosynthesis?
A. morton cycle
B. glover cycle
C. Phillip cycle
D. calvin cycle
Answer:
|
D
|
sciq
|
What is the only amphibian without legs?
A. caecilians
B. newts
C. alligators
D. frogs
Answer:
|
A
|
sciq
|
Most organisms could not survive without what being present to speed up biochemical reactions?
A. hormones
B. lipids
C. enzymes
D. vitamins
Answer:
|
C
|
sciq
|
Metabolic cooperation between different prokaryotic species often occurs in surface-coating colonies. what are these colonies called?
A. lichens
B. eukaryotes
C. biofilms
D. plankton
Answer:
|
C
|
sciq
|
What word describes a carbonyl where the carbon atom makes single bonds with two others?
A. ketones
B. acetone
C. photons
D. ions
Answer:
|
A
|
sciq
|
The concentration of hydronium ions in a solution is known as what?
A. acidity
B. akaline
C. pH value
D. base
Answer:
|
A
|
sciq
|
What do we call structures that are similar in related organisms because they were inherited from a common ancestor?
A. polylogous
B. monogamous
C. homologous
D. filamentous
Answer:
|
C
|
sciq
|
What is continually released during childbirth through a positive feedback mechanism and prompts uterine contractions to fetal head toward the cervix?
A. insulin
B. vasopressin
C. oxytocin
D. hemoglobin
Answer:
|
C
|
sciq
|
What is the addition of nucleotides to the mrna strand?
A. insertion
B. elongation
C. elevation
D. axons
Answer:
|
B
|
sciq
|
Wave amplitude and wavelength are two important measures of what?
A. wave sound
B. wave speed
C. wave harmfulness
D. wave size
Answer:
|
D
|
sciq
|
What is the color of mercury(ii) oxide?
A. green
B. red
C. copper
D. blue
Answer:
|
B
|
sciq
|
How many hydrogen atoms does a nitrogen atom of a primary amine have?
A. six
B. ten
C. four
D. two
Answer:
|
D
|
sciq
|
What ultimately results in the cycling of nutrients in ecosystems?
A. digestion
B. interactions between organisms
C. chemical bonds
D. molecules between organisms
Answer:
|
B
|
sciq
|
Platforms, arches, and sea stacks are all landforms created by what?
A. debris
B. erosion
C. sediment
D. volcanic activity
Answer:
|
B
|
sciq
|
The state of matter - solid, liquid, or gas - is also considered what type of property?
A. chemical
B. thermal
C. mechanical
D. physical
Answer:
|
D
|
sciq
|
Panting allows dogs to get rid of what?
A. fur balls
B. calories
C. accumulated toxins
D. excess body heat
Answer:
|
D
|
sciq
|
What is the standard unit for mass?
A. pound
B. kilogram
C. ounce
D. meter
Answer:
|
B
|
sciq
|
The planets orbit around what celestial body?
A. horizon
B. earth
C. moon
D. sun
Answer:
|
D
|
sciq
|
What kind of behaviors are adaptive because they are flexible, capable of changing if the environment changes?
A. passed behavior
B. studied behavior
C. learned behavior
D. human
Answer:
|
C
|
sciq
|
What is the term for a galaxy that is a rotating disk of stars and dust?
A. nebula
B. spiral galaxy
C. cosmic galaxy
D. Milky Way
Answer:
|
B
|
sciq
|
What occurs when a former inhabited area gets disturbed?
A. secondary succession
B. tertiary succession
C. tropical succession
D. primary succession
Answer:
|
A
|
sciq
|
The chloroplasts contained within the green algal endosymbionts still are capable of what process associated with plants?
A. reproduction
B. respiration
C. germination
D. photosynthesis
Answer:
|
D
|
sciq
|
What do seismic waves prove about the inner core?
A. it is layered
B. it is hot
C. it is liquid
D. it is solid
Answer:
|
D
|
sciq
|
What is divided during cytokinesis?
A. cytoplasm
B. chromosomes
C. nucleus
D. cytoskeleton
Answer:
|
A
|
sciq
|
Materials such as metals have low resistance to electric current, what are they called?
A. electric conduit
B. electric channels
C. electric channel
D. electric conductors
Answer:
|
D
|
sciq
|
An alloy is a mixture of what with one or more other substances?
A. water
B. protein
C. acid
D. metal
Answer:
|
D
|
sciq
|
A can of warm soda will fizz more because increasing the temperature decreases the what of a gas?
A. Acidity
B. humidity
C. viscosity
D. solubility
Answer:
|
D
|
sciq
|
What branch of biology studies animal behavior?
A. embryology
B. geology
C. ethology
D. microbiology
Answer:
|
C
|
sciq
|
What does the esophagus connect to at its bottom end?
A. the stomach
B. the large intestine
C. the larynx
D. the colon
Answer:
|
A
|
sciq
|
Hair is a component of which bodily system?
A. trypeta system
B. relatable system
C. integumentary system
D. circulatory
Answer:
|
C
|
sciq
|
What type of electrons are electrons that are not confined to the bond between two atoms?
A. virtualized
B. delocalized
C. internalized
D. detached
Answer:
|
B
|
sciq
|
Electrons flow through wires to create what?
A. electromagnetism
B. hydroelectric power
C. electric current
D. balanced reaction
Answer:
|
C
|
sciq
|
The ileocecal valve, a sphincter, is usually in a constricted state, but when motility in the ileum increases, this sphincter relaxes, allowing food residue to enter the first portion of what?
A. colon
B. large intestine
C. small intestine
D. liver
Answer:
|
B
|
sciq
|
A sequence of amino acids in single polypeptide is the primary structure for what?
A. lipids
B. proteins
C. cells
D. dna
Answer:
|
B
|
sciq
|
What type of chemicals do ants communicate with?
A. pesticides
B. pheromones
C. Alkanes
D. hormones
Answer:
|
B
|
sciq
|
The age of a rock in years is its?
A. full age
B. geological age
C. absolute age
D. chemical age
Answer:
|
C
|
sciq
|
What organ eliminates solid wastes that remain after the digestion of food?
A. the large intestine
B. the appendix
C. the spleen
D. the bladder
Answer:
|
A
|
sciq
|
What is the term for when a species no longer exists?
A. endangered
B. reproduction
C. extinction
D. survival
Answer:
|
C
|
sciq
|
What is the jelly-like material in which the contents of the cell are suspended?
A. cortisol
B. cytosol
C. jam
D. mitochondrial
Answer:
|
B
|
sciq
|
What is the release of energy in the form of high energy electromagnetic waves?
A. normal emission
B. transient emission
C. gamma emission
D. x-ray emission
Answer:
|
C
|
sciq
|
Today, new elements are usually named after famous scientists. the names of the elements can be cumbersome to write in full, especially when combined to form the names of compounds. therefore, each element name is abbreviated as a one- or two-letter chemical this?
A. shorthand
B. symbol
C. title
D. notation
Answer:
|
B
|
sciq
|
An infection may be intracellular or extracellular, depending on this?
A. microbes
B. pathogen
C. pollen
D. bacteria
Answer:
|
B
|
sciq
|
Like all tetrapods except birds and mammals, frogs possess a heart with what structure?
A. three chambers
B. One Chamber
C. eight chambers
D. four chambers
Answer:
|
A
|
sciq
|
Energy is the capacity to do work or to produce what?
A. heat
B. light
C. vibration
D. humidity
Answer:
|
A
|
sciq
|
In mammals, sound waves are collected by the external, cartilaginous part of the ear called the pinna, then travel through the auditory canal and cause vibration of the thin diaphragm called the tympanum or this?
A. microphone drum
B. head drum
C. speaker drum
D. ear drum
Answer:
|
D
|
sciq
|
Unlike ionic compounds, covalent compounds do not have freely moving what?
A. electrons
B. Nuclei.
C. neutrons
D. atoms
Answer:
|
A
|
sciq
|
How do seed plants benefit from herbivores?
A. dispersal of seeds
B. consumption of seeds
C. rainfall of seeds
D. radiation of seeds
Answer:
|
A
|
sciq
|
What is the process in which cells make proteins called?
A. factor synthesis
B. protein synthesis
C. light synthesis
D. gas synthesis
Answer:
|
B
|
sciq
|
How do you decrease errors in an experiment?
A. write about it
B. take many measurements
C. ask God
D. decrease measurements
Answer:
|
B
|
sciq
|
What term describes scientists who debate the origin of the earliest plants?
A. protobotanists
B. archaebotanists
C. specialists
D. paleobotanists
Answer:
|
D
|
sciq
|
What anatomical system is made up of neurons and glia?
A. reproductive system
B. digestive system
C. lymphatic system
D. nervous system
Answer:
|
D
|
sciq
|
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