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stringlengths 51
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Almost all vascular plants have mycorrhizae and rely on their fungal partners for what?
A. respiration
B. air
C. nutrients
D. sunlight
Answer:
|
C
|
sciq
|
What occurs when there is a sudden and large falling of rocks down a slope?
A. avalanche
B. earthquake
C. tsunami
D. landslide
Answer:
|
D
|
sciq
|
What are gymnosperms lacking compared to most angiosperms?
A. vascular elements
B. muscle elements
C. use elements
D. vessel elements
Answer:
|
D
|
sciq
|
Calculations are described showing conversions between molar mass and what for gases?
A. volume
B. length
C. density
D. weight
Answer:
|
C
|
sciq
|
What sudden ground movement is caused by the sudden release of the energy stored in rocks, which is transmitted in seismic waves?
A. quicksand
B. eruption
C. sandstorm
D. earthquake
Answer:
|
D
|
sciq
|
What is the name for the cooler, darker areas on the sun’s surface?
A. corona
B. sunspots
C. anomalies
D. aurora borealis
Answer:
|
B
|
sciq
|
Plants need sunlight for what process?
A. photosynthesis
B. metamorphosis
C. glycolysis
D. cyclogenesis
Answer:
|
A
|
sciq
|
The vast majority of what phenomena occurs along one of three types of plate boundaries?
A. earthquake
B. volcanoes
C. tornados
D. hurricane
Answer:
|
A
|
sciq
|
What weather events move with the prevailing winds and originate in the trade winds in the northern hemisphere?
A. droughts
B. hurricanes
C. tsunamis
D. earthquakes
Answer:
|
B
|
sciq
|
What is the name for the male reproductive organs or gonads?
A. nucleus
B. testes
C. anus
D. ovaries
Answer:
|
B
|
sciq
|
What glands in the breast secrete milk?
A. primordial glands
B. adrenal glands
C. fetal glands
D. mammary glands
Answer:
|
D
|
sciq
|
Sutures, gomphoses, and syndesmoses are types of what, which are found where adjacent bones are strongly united by connective tissue?
A. metallic joints
B. cartilage
C. ligaments
D. fibrous joints
Answer:
|
D
|
sciq
|
Heat, electricity, or light might provide what necessary input to the process of decomposition?
A. source
B. food
C. energy
D. material
Answer:
|
C
|
sciq
|
What is made up of a watery substance called cytosol and contains other cell structures such as ribosomes?
A. cytoplasm
B. cytoskeleton
C. rna
D. plasma
Answer:
|
A
|
sciq
|
What type of energy is required in all chemical reactions?
A. solar
B. conduction
C. activation
D. function
Answer:
|
C
|
sciq
|
What type of image is formed when light rays diverge in front of a mirror?
A. fake
B. reversed
C. large
D. virtual
Answer:
|
D
|
sciq
|
What is the condition of a plant in which the fluid in a cell exerts a pressure against the cell wall?
A. tumor
B. turgor
C. hydration
D. constriction
Answer:
|
B
|
sciq
|
What phenomenon, crucial for evolution, creates new genetic variation in a gene pool and is how all new alleles first arise?
A. mutation
B. radiation
C. adaptation
D. natural selection
Answer:
|
A
|
sciq
|
What is the name of the stage of life when a child becomes sexually mature?
A. pre-adolescence
B. puberty
C. adulthood
D. reproductive stage
Answer:
|
B
|
sciq
|
A man made lake is known as what?
A. Lake
B. Pond
C. resevoirs
D. Lagoon
Answer:
|
C
|
sciq
|
Alchemy helped improve the study of metallurgy and the extraction of metals from what?
A. water
B. air
C. ores
D. wood
Answer:
|
C
|
sciq
|
What are the two types of vascular tissues?
A. ganglia and phloem
B. xylem and phloem
C. ectoderm and phloem
D. epidermis and phloem
Answer:
|
B
|
sciq
|
The spinal cord develops, cells making up the wall of the neural tube proliferate and differentiate into what?
A. jelly and glia
B. neurons and glia
C. muscles and glia
D. membrane and glia
Answer:
|
B
|
sciq
|
Eventually the parent cell will pinch apart to form two identical types of what cells?
A. son cells
B. brother cells
C. father cells
D. daughter cells
Answer:
|
D
|
sciq
|
The body cells cannot use insulin properly in which type of diabetes?
A. type 2 diabetes
B. type 1 diabetes
C. type 3 diabates
D. type 4 diabetes
Answer:
|
A
|
sciq
|
Birds belong to a group of diapsids called the what?
A. aviators
B. archosaurs
C. mammals
D. conifers
Answer:
|
B
|
sciq
|
How many limbs to birds have?
A. five
B. ten
C. six
D. four
Answer:
|
D
|
sciq
|
Planes fly in what layer of the atmosphere because there is less friction and turbulence?
A. stratosphere
B. crust
C. ozone layer
D. mesosphere
Answer:
|
A
|
sciq
|
What is a group of similar ecosystems with the same general abiotic factors and primary producers?
A. family
B. taxon
C. biome
D. ecoregion
Answer:
|
C
|
sciq
|
Interferons are produced in virally infected cells and cause them to secrete signals for surrounding cells to make what?
A. antiviral proteins
B. overwhelm proteins
C. Raising Proteins
D. resist proteins
Answer:
|
A
|
sciq
|
What slow process is required for formation of soil?
A. leaching
B. fossilization
C. weathering
D. digestion
Answer:
|
C
|
sciq
|
What is defined as superheated gas with a positive electrical charge?
A. supernova
B. greenhouse gas
C. plasma
D. ion
Answer:
|
C
|
sciq
|
Materials, such as iron, that exhibit strong magnetic effects are labeled what?
A. ultramagnetic
B. superconducting
C. ferromagnetic
D. paramagnetic
Answer:
|
C
|
sciq
|
Like birds, most other reptiles excrete their nitrogenous wastes as what acid?
A. hydrochloric
B. sulphuric
C. uric
D. lactic
Answer:
|
C
|
sciq
|
The two main fundamental particles that make up neutrons are quarks and what else?
A. atoms
B. prions
C. leptons
D. gluons
Answer:
|
D
|
sciq
|
Birds have evolved a respiratory system that enables them to fly. flying is a high-energy process and requires a lot of this?
A. oxygen
B. weight
C. nitrogen
D. adaptation
Answer:
|
A
|
sciq
|
Lysosomes have what type of enzymes that break down old molecules into parts that can be recycled?
A. bacterial
B. probiotics
C. corrosive
D. digestive
Answer:
|
D
|
sciq
|
The breasts contain what to give milk to feed a baby?
A. mammary glands
B. fetal glands
C. sebaceous glands
D. primordial glands
Answer:
|
A
|
sciq
|
What form when water vapor condenses in the air around specs of matter?
A. condensation
B. storms
C. humidity
D. clouds
Answer:
|
D
|
sciq
|
All other forms of life, including plants and animals, are composed of what kind of cells?
A. cytoplasmic
B. synthetic
C. eukaryotic
D. bacterial
Answer:
|
C
|
sciq
|
A mycorrhiza refers to what kind of relationship between a fungus and the roots of a plant?
A. semantic
B. symbiotic
C. familial
D. predator-prey
Answer:
|
B
|
sciq
|
What is earth's main source of energy?
A. the atmosphere
B. the moon
C. the sun
D. the core
Answer:
|
C
|
sciq
|
Kirchhoff’s second rule (the loop rule) is an application of conservation of what?
A. mineral
B. Rock
C. heating
D. energy
Answer:
|
D
|
sciq
|
Evolution over a short period of time at the level of the population is called what?
A. redistributions
B. grammaticalization
C. macroevolution
D. microevolution
Answer:
|
D
|
sciq
|
When water is heated by magma and makes it's way to the surface what is created?
A. geyser
B. eruption
C. volcanic
D. trough
Answer:
|
A
|
sciq
|
The mechanical and digestive processes have one goal: to convert food into molecules small enough to be absorbed by the epithelial cells of what?
A. alveoli
B. stomach cilia
C. intestinal villi
D. bile ducts
Answer:
|
C
|
sciq
|
Influenza virus is packaged in a viral envelope, which fuses with the what?
A. plasma membrane
B. bacteria
C. cell wall
D. nucleus
Answer:
|
A
|
sciq
|
A desert is a type of what community in an ecosystem?
A. population
B. colony
C. culture
D. biome
Answer:
|
D
|
sciq
|
What are the two types of properties that matter has?
A. size and shape
B. nature and purpose
C. composition and weight
D. physical and chemical
Answer:
|
D
|
sciq
|
What is the hormone produced in high-stress situations?
A. adrenalin
B. testosterone
C. somatostatin
D. thyroxine
Answer:
|
A
|
sciq
|
What type of reaction causes two substances to combine to make a single substance?
A. metabolism
B. spontaneous mutation
C. composition reaction
D. component reaction
Answer:
|
C
|
sciq
|
Hay fever is actually an allergy to what substance, vital to plant reproduction?
A. nitrogen
B. pollen
C. fungi
D. grass
Answer:
|
B
|
sciq
|
Endotherms are warmed mostly by heat generated by what?
A. the sun
B. electricity
C. metabolism
D. movement
Answer:
|
C
|
sciq
|
If a ball is released from rest when air resistance is negligible, velocity is seen to increase linearly, while what related property is a constant?
A. time
B. density
C. speed
D. acceleration
Answer:
|
D
|
sciq
|
What term is used to describe the ability of matter to burn?
A. reactivity
B. permeability
C. flammability
D. volatility
Answer:
|
C
|
sciq
|
What is the evolutionary history of group of related organisms
A. iteration
B. phylogeny
C. substructure
D. history
Answer:
|
B
|
sciq
|
What forms a ketone when oxidized?
A. secondary alcohol
B. aldehyde
C. carbolic acid
D. enzyme
Answer:
|
A
|
sciq
|
What is the energy that flows as a result of a difference in temperature?
A. heat
B. polarity
C. magnetism
D. electricity
Answer:
|
A
|
sciq
|
Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period?
A. pain
B. faith
C. samples
D. organs
Answer:
|
D
|
sciq
|
What evolutionary process may affect the distribution of a polygenic trait?
A. flow selection
B. artificial selection
C. natural selection
D. characteristic selection
Answer:
|
C
|
sciq
|
What type of force exists between two touching surfaces?
A. friction
B. opposing
C. centrifugal
D. tension
Answer:
|
A
|
sciq
|
A short reflex is completely what and only involves the local integration of sensory input with motor output?
A. peripheral
B. central
C. neuronal
D. physiological
Answer:
|
A
|
sciq
|
The urea cycle, a set of biochemical reactions that produces urea from ammonium ions to prevent toxicity, occurs to some extent in the kidney, but primarily in what organ?
A. skin
B. spleen
C. colon
D. liver
Answer:
|
D
|
sciq
|
Cellular respiration is the reverse or opposite of what?
A. glycolysis
B. photosynthesis
C. reproduction
D. spermatogenesis
Answer:
|
B
|
sciq
|
What force pulls object downwards to the earth?
A. momentum
B. gravity
C. motion
D. kinetic energy
Answer:
|
B
|
sciq
|
How does deeper material cause convection in the mantle?
A. sinks then rises
B. folds
C. remains stable
D. rises then sinks
Answer:
|
D
|
sciq
|
From what did the first proto-oncogenes arise?
A. carcinogens
B. spores
C. viral infections
D. bacteria
Answer:
|
C
|
sciq
|
What material used for helium-filled balloons is dense, strong and opaque, with a high molecular mass that forms films that have many fewer pores than rubber?
A. mylar
B. foil
C. cellophane
D. fiberglass
Answer:
|
A
|
sciq
|
What do erythrocytes carry and deliver to tissues in the body?
A. carbon
B. oxide
C. oxygen
D. Helium
Answer:
|
C
|
sciq
|
How many neutrons do 99% of carbon atoms have?
A. sixteen
B. five
C. six
D. eight
Answer:
|
C
|
sciq
|
What are the two metals within a battery called?
A. sheath and a cathode
B. anode and diode
C. anode and sheath
D. anode and a cathode
Answer:
|
D
|
sciq
|
What is one thing that can not happen to energy?
A. it cannot stay the same
B. it cannot decrease
C. it can not be destroyed
D. it cannot increase
Answer:
|
C
|
sciq
|
Where do most biochemical reactions take place?
A. outside of cells
B. upper atmosphere
C. within cells
D. stomach
Answer:
|
C
|
sciq
|
The ends of linear chromosomes are maintained by the action of which enzyme?
A. telomerase
B. cytokine
C. insulin
D. pepsin
Answer:
|
A
|
sciq
|
Through which process does water from the oceans enter the atmosphere?
A. absorption
B. perspiration
C. oxidation
D. evaporation
Answer:
|
D
|
sciq
|
In what type of process does heat flow into its surroundings and cause an increase in kinetic energy?
A. chemical process
B. oscillating process
C. biochemical process
D. exothermic process
Answer:
|
D
|
sciq
|
Prokaryotic organisms, like bacteria, reproduce through what process, where they grow and divide in half?
A. singular fission
B. binary fission
C. multiple fission
D. symbiotic fission
Answer:
|
B
|
sciq
|
Displacement is a vector quantity, which means it has both direction and what else?
A. rate
B. magnitude
C. waves
D. radiation
Answer:
|
B
|
sciq
|
Waste leaves the body in the form of what?
A. stomach acid
B. saliva
C. feces
D. impurities
Answer:
|
C
|
sciq
|
What process can occur when atoms are exposed to high levels of radiation or when atoms transfer electrons to or from other atoms?
A. ionization
B. diffusion
C. fusion
D. oxidation
Answer:
|
A
|
sciq
|
Who should an obese person with an eating disorder seek for help?
A. body builder
B. social worker
C. health professional
D. psychiatrist
Answer:
|
C
|
sciq
|
The period of life between the start of puberty and the beginning of adulthood is called?
A. youth
B. adolescence
C. prenatal
D. old age
Answer:
|
B
|
sciq
|
What element once commonly used in paint and gasoline has now been found to have dangerous effects?
A. chromium
B. plastic
C. lead
D. niacin
Answer:
|
C
|
sciq
|
What can happen spontaneously or as a result of mutagens in the environment?
A. traits
B. combustion
C. lesions
D. mutations
Answer:
|
D
|
sciq
|
Abnormally high activity or low activity of the parathyroid gland can cause disorders related to levels of what bone mineral?
A. calcium
B. collagen
C. magnesium
D. potassium
Answer:
|
A
|
sciq
|
Unlike other tetrapod vertebrates (reptiles, birds, and mammals), amphibians do not produce what type of eggs?
A. umbilical
B. amniotic
C. prokaryotic
D. epithelial
Answer:
|
B
|
sciq
|
What is the name for an underground layer of rock that is saturated with groundwater?
A. aqueous cavity
B. aquifer
C. artesian well
D. gradient
Answer:
|
B
|
sciq
|
What are prepared by the oxidation of secondary alcohols?
A. ions
B. more alcohol
C. protons
D. ketones
Answer:
|
D
|
sciq
|
Saturated and unsaturated are the two main kinds of what?
A. fats
B. sugars
C. polymers
D. acids
Answer:
|
A
|
sciq
|
Most reptiles lay what kind of eggs?
A. roe
B. umbilical
C. hard-shelled
D. amniotic
Answer:
|
D
|
sciq
|
Sulfur can combine with oxygen to produce what?
A. sulfur dioxide
B. sulfur trioxide
C. sulfur bioxide
D. sulfur oxide
Answer:
|
B
|
sciq
|
The nitrogen that enters living systems by nitrogen fixation is successively converted from organic nitrogen back into nitrogen gas by what?
A. pollen
B. algae
C. viruses
D. bacteria
Answer:
|
D
|
sciq
|
What term describes the amount of solute in a given amount of solution?
A. density
B. temperature
C. cloudiness
D. concentration
Answer:
|
D
|
sciq
|
Which process helps absorptive protists absorb food molecules across their cell membranes?
A. diffusion
B. activation
C. secretion
D. metabolism
Answer:
|
A
|
sciq
|
When matter recycles and changes state what does it gain or lose by doing so?
A. energy
B. volume
C. density
D. fuel
Answer:
|
A
|
sciq
|
Where does oxygen enter the blood?
A. in the liver
B. in the heart
C. in the lungs
D. in the veins
Answer:
|
C
|
sciq
|
What kind of compounds change color when bases come into contact with them, so they can be used to detect bases?
A. indicators
B. liquid
C. parameters
D. metals
Answer:
|
A
|
sciq
|
Concentric circles that spread out through the water around the droplets are actually types of what moving through the water?
A. winds
B. waves
C. lines
D. troughs
Answer:
|
B
|
sciq
|
The smallest units of matter that retain the unique properties of an element are known as what?
A. atoms
B. protons
C. molecules
D. neutrons
Answer:
|
A
|
sciq
|
What is a process that changes some chemical substances into other chemical substances?
A. spontaneous mutation
B. a chemical reaction
C. a bio reaction
D. cellular respiration
Answer:
|
B
|
sciq
|
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