question stringlengths 68 502 | answer stringclasses 4
values |
|---|---|
Question: What process would be impossible without some variation in the inherited traits of organisms within a species?
Options:
A. natural selection
B. environmental selection
C. characteristic selection
D. darwin's selection | A |
Question: Monoecious flowers are also known as “perfect” flowers because they contain both types of what organ?
Options:
A. vascular organ
B. phloem
C. respiratory organ
D. sex organ | D |
Question: Human beings depend on learned behaviors more than any other?
Options:
A. mammals
B. Organisms
C. species
D. Beings | C |
Question: Oxygen, carbon, hydrogen and what other element make up approximately 96% of living matter?
Options:
A. helium
B. silicon
C. nitrogen
D. calcium | C |
Question: What type electrical circuits have multiple paths the current may take?
Options:
A. serial
B. parallel
C. perpendicular
D. single loop | B |
Question: Hydrophobic interactions arise because water molecules engage in what type of bonding with other water molecules?
Options:
A. oxygen bonding
B. hydrogen bonding
C. aquatic bonding
D. helium bonding | B |
Question: What is the second most common skin cancer?
Options:
A. squamous cell carcinoma
B. melanoma
C. basal cell carcinoma
D. precancerous cell carcinoma | A |
Question: Species divergence often, but not always, occurs because of what type of barrier between species?
Options:
A. visible
B. emotional
C. physical
D. language | C |
Question: The chytrids the only class in the phylum chytridiomycota is the chytridiomycetes. the chytrids are the simplest and most primitive eumycota, or true this?
Options:
A. acids
B. proteins
C. fungi
D. organisms | C |
Question: Almost all vascular plants have mycorrhizae and rely on their fungal partners for what?
Options:
A. air
B. respiration
C. sunlight
D. nutrients | D |
Question: What occurs when there is a sudden and large falling of rocks down a slope?
Options:
A. avalanche
B. earthquake
C. landslide
D. tsunami | C |
Question: What are gymnosperms lacking compared to most angiosperms?
Options:
A. muscle elements
B. vascular elements
C. use elements
D. vessel elements | D |
Question: Calculations are described showing conversions between molar mass and what for gases?
Options:
A. weight
B. volume
C. length
D. density | D |
Question: What sudden ground movement is caused by the sudden release of the energy stored in rocks, which is transmitted in seismic waves?
Options:
A. sandstorm
B. quicksand
C. earthquake
D. eruption | C |
Question: What is the name for the cooler, darker areas on the sun’s surface?
Options:
A. aurora borealis
B. corona
C. sunspots
D. anomalies | C |
Question: Plants need sunlight for what process?
Options:
A. photosynthesis
B. cyclogenesis
C. metamorphosis
D. glycolysis | A |
Question: The vast majority of what phenomena occurs along one of three types of plate boundaries?
Options:
A. volcanoes
B. earthquake
C. hurricane
D. tornados | B |
Question: What weather events move with the prevailing winds and originate in the trade winds in the northern hemisphere?
Options:
A. droughts
B. tsunamis
C. hurricanes
D. earthquakes | C |
Question: What is the name for the male reproductive organs or gonads?
Options:
A. testes
B. anus
C. ovaries
D. nucleus | A |
Question: What glands in the breast secrete milk?
Options:
A. primordial glands
B. adrenal glands
C. mammary glands
D. fetal glands | C |
Question: Sutures, gomphoses, and syndesmoses are types of what, which are found where adjacent bones are strongly united by connective tissue?
Options:
A. cartilage
B. metallic joints
C. ligaments
D. fibrous joints | D |
Question: Heat, electricity, or light might provide what necessary input to the process of decomposition?
Options:
A. material
B. source
C. food
D. energy | D |
Question: What is made up of a watery substance called cytosol and contains other cell structures such as ribosomes?
Options:
A. rna
B. plasma
C. cytoplasm
D. cytoskeleton | C |
Question: What type of energy is required in all chemical reactions?
Options:
A. conduction
B. solar
C. function
D. activation | D |
Question: What type of image is formed when light rays diverge in front of a mirror?
Options:
A. reversed
B. fake
C. virtual
D. large | C |
Question: What is the condition of a plant in which the fluid in a cell exerts a pressure against the cell wall?
Options:
A. constriction
B. turgor
C. hydration
D. tumor | B |
Question: What phenomenon, crucial for evolution, creates new genetic variation in a gene pool and is how all new alleles first arise?
Options:
A. adaptation
B. natural selection
C. radiation
D. mutation | D |
Question: What is the name of the stage of life when a child becomes sexually mature?
Options:
A. adulthood
B. pre-adolescence
C. puberty
D. reproductive stage | C |
Question: A man made lake is known as what?
Options:
A. Pond
B. Lake
C. Lagoon
D. resevoirs | D |
Question: Alchemy helped improve the study of metallurgy and the extraction of metals from what?
Options:
A. water
B. air
C. wood
D. ores | D |
Question: What are the two types of vascular tissues?
Options:
A. ectoderm and phloem
B. xylem and phloem
C. ganglia and phloem
D. epidermis and phloem | B |
Question: The spinal cord develops, cells making up the wall of the neural tube proliferate and differentiate into what?
Options:
A. jelly and glia
B. membrane and glia
C. muscles and glia
D. neurons and glia | D |
Question: Eventually the parent cell will pinch apart to form two identical types of what cells?
Options:
A. son cells
B. brother cells
C. father cells
D. daughter cells | D |
Question: The body cells cannot use insulin properly in which type of diabetes?
Options:
A. type 1 diabetes
B. type 3 diabates
C. type 2 diabetes
D. type 4 diabetes | C |
Question: Birds belong to a group of diapsids called the what?
Options:
A. aviators
B. mammals
C. archosaurs
D. conifers | C |
Question: How many limbs to birds have?
Options:
A. ten
B. six
C. five
D. four | D |
Question: Planes fly in what layer of the atmosphere because there is less friction and turbulence?
Options:
A. mesosphere
B. ozone layer
C. stratosphere
D. crust | C |
Question: What is a group of similar ecosystems with the same general abiotic factors and primary producers?
Options:
A. biome
B. family
C. ecoregion
D. taxon | A |
Question: Interferons are produced in virally infected cells and cause them to secrete signals for surrounding cells to make what?
Options:
A. antiviral proteins
B. Raising Proteins
C. resist proteins
D. overwhelm proteins | A |
Question: What slow process is required for formation of soil?
Options:
A. fossilization
B. digestion
C. weathering
D. leaching | C |
Question: What is defined as superheated gas with a positive electrical charge?
Options:
A. ion
B. supernova
C. greenhouse gas
D. plasma | D |
Question: Materials, such as iron, that exhibit strong magnetic effects are labeled what?
Options:
A. ultramagnetic
B. paramagnetic
C. superconducting
D. ferromagnetic | D |
Question: Like birds, most other reptiles excrete their nitrogenous wastes as what acid?
Options:
A. lactic
B. uric
C. sulphuric
D. hydrochloric | B |
Question: The two main fundamental particles that make up neutrons are quarks and what else?
Options:
A. gluons
B. atoms
C. leptons
D. prions | A |
Question: Birds have evolved a respiratory system that enables them to fly. flying is a high-energy process and requires a lot of this?
Options:
A. weight
B. nitrogen
C. oxygen
D. adaptation | C |
Question: Lysosomes have what type of enzymes that break down old molecules into parts that can be recycled?
Options:
A. bacterial
B. digestive
C. probiotics
D. corrosive | B |
Question: The breasts contain what to give milk to feed a baby?
Options:
A. primordial glands
B. mammary glands
C. fetal glands
D. sebaceous glands | B |
Question: What form when water vapor condenses in the air around specs of matter?
Options:
A. clouds
B. storms
C. condensation
D. humidity | A |
Question: All other forms of life, including plants and animals, are composed of what kind of cells?
Options:
A. cytoplasmic
B. bacterial
C. eukaryotic
D. synthetic | C |
Question: A mycorrhiza refers to what kind of relationship between a fungus and the roots of a plant?
Options:
A. familial
B. symbiotic
C. semantic
D. predator-prey | B |
Question: What is earth's main source of energy?
Options:
A. the atmosphere
B. the moon
C. the core
D. the sun | D |
Question: Kirchhoff’s second rule (the loop rule) is an application of conservation of what?
Options:
A. mineral
B. heating
C. Rock
D. energy | D |
Question: Evolution over a short period of time at the level of the population is called what?
Options:
A. grammaticalization
B. microevolution
C. macroevolution
D. redistributions | B |
Question: When water is heated by magma and makes it's way to the surface what is created?
Options:
A. eruption
B. geyser
C. volcanic
D. trough | B |
Question: The mechanical and digestive processes have one goal: to convert food into molecules small enough to be absorbed by the epithelial cells of what?
Options:
A. alveoli
B. stomach cilia
C. intestinal villi
D. bile ducts | C |
Question: Influenza virus is packaged in a viral envelope, which fuses with the what?
Options:
A. bacteria
B. nucleus
C. plasma membrane
D. cell wall | C |
Question: A desert is a type of what community in an ecosystem?
Options:
A. culture
B. population
C. biome
D. colony | C |
Question: What are the two types of properties that matter has?
Options:
A. composition and weight
B. nature and purpose
C. physical and chemical
D. size and shape | C |
Question: What is the hormone produced in high-stress situations?
Options:
A. thyroxine
B. somatostatin
C. testosterone
D. adrenalin | D |
Question: What type of reaction causes two substances to combine to make a single substance?
Options:
A. spontaneous mutation
B. metabolism
C. component reaction
D. composition reaction | D |
Question: Hay fever is actually an allergy to what substance, vital to plant reproduction?
Options:
A. fungi
B. pollen
C. grass
D. nitrogen | B |
Question: Endotherms are warmed mostly by heat generated by what?
Options:
A. movement
B. the sun
C. metabolism
D. electricity | C |
Question: 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?
Options:
A. density
B. speed
C. time
D. acceleration | D |
Question: What term is used to describe the ability of matter to burn?
Options:
A. flammability
B. volatility
C. reactivity
D. permeability | A |
Question: What is the evolutionary history of group of related organisms
Options:
A. substructure
B. history
C. iteration
D. phylogeny | D |
Question: What forms a ketone when oxidized?
Options:
A. secondary alcohol
B. carbolic acid
C. enzyme
D. aldehyde | A |
Question: What is the energy that flows as a result of a difference in temperature?
Options:
A. heat
B. magnetism
C. polarity
D. electricity | A |
Question: Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period?
Options:
A. samples
B. faith
C. pain
D. organs | D |
Question: What evolutionary process may affect the distribution of a polygenic trait?
Options:
A. characteristic selection
B. artificial selection
C. natural selection
D. flow selection | C |
Question: What type of force exists between two touching surfaces?
Options:
A. centrifugal
B. tension
C. friction
D. opposing | C |
Question: A short reflex is completely what and only involves the local integration of sensory input with motor output?
Options:
A. central
B. physiological
C. neuronal
D. peripheral | D |
Question: 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?
Options:
A. spleen
B. liver
C. skin
D. colon | B |
Question: Cellular respiration is the reverse or opposite of what?
Options:
A. glycolysis
B. reproduction
C. photosynthesis
D. spermatogenesis | C |
Question: What force pulls object downwards to the earth?
Options:
A. kinetic energy
B. momentum
C. motion
D. gravity | D |
Question: How does deeper material cause convection in the mantle?
Options:
A. remains stable
B. sinks then rises
C. rises then sinks
D. folds | C |
Question: From what did the first proto-oncogenes arise?
Options:
A. carcinogens
B. viral infections
C. bacteria
D. spores | B |
Question: 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?
Options:
A. mylar
B. cellophane
C. foil
D. fiberglass | A |
Question: What do erythrocytes carry and deliver to tissues in the body?
Options:
A. carbon
B. Helium
C. oxide
D. oxygen | D |
Question: How many neutrons do 99% of carbon atoms have?
Options:
A. six
B. five
C. sixteen
D. eight | A |
Question: What are the two metals within a battery called?
Options:
A. anode and sheath
B. anode and a cathode
C. anode and diode
D. sheath and a cathode | B |
Question: What is one thing that can not happen to energy?
Options:
A. it can not be destroyed
B. it cannot increase
C. it cannot stay the same
D. it cannot decrease | A |
Question: Where do most biochemical reactions take place?
Options:
A. within cells
B. upper atmosphere
C. outside of cells
D. stomach | A |
Question: The ends of linear chromosomes are maintained by the action of which enzyme?
Options:
A. pepsin
B. cytokine
C. insulin
D. telomerase | D |
Question: Through which process does water from the oceans enter the atmosphere?
Options:
A. evaporation
B. perspiration
C. oxidation
D. absorption | A |
Question: In what type of process does heat flow into its surroundings and cause an increase in kinetic energy?
Options:
A. chemical process
B. biochemical process
C. exothermic process
D. oscillating process | C |
Question: Prokaryotic organisms, like bacteria, reproduce through what process, where they grow and divide in half?
Options:
A. singular fission
B. multiple fission
C. binary fission
D. symbiotic fission | C |
Question: Displacement is a vector quantity, which means it has both direction and what else?
Options:
A. radiation
B. rate
C. magnitude
D. waves | C |
Question: Waste leaves the body in the form of what?
Options:
A. impurities
B. saliva
C. feces
D. stomach acid | C |
Question: What process can occur when atoms are exposed to high levels of radiation or when atoms transfer electrons to or from other atoms?
Options:
A. oxidation
B. fusion
C. ionization
D. diffusion | C |
Question: Who should an obese person with an eating disorder seek for help?
Options:
A. psychiatrist
B. social worker
C. body builder
D. health professional | D |
Question: The period of life between the start of puberty and the beginning of adulthood is called?
Options:
A. prenatal
B. old age
C. adolescence
D. youth | C |
Question: What element once commonly used in paint and gasoline has now been found to have dangerous effects?
Options:
A. plastic
B. lead
C. niacin
D. chromium | B |
Question: What can happen spontaneously or as a result of mutagens in the environment?
Options:
A. lesions
B. combustion
C. mutations
D. traits | C |
Question: Abnormally high activity or low activity of the parathyroid gland can cause disorders related to levels of what bone mineral?
Options:
A. collagen
B. calcium
C. potassium
D. magnesium | B |
Question: Unlike other tetrapod vertebrates (reptiles, birds, and mammals), amphibians do not produce what type of eggs?
Options:
A. epithelial
B. amniotic
C. prokaryotic
D. umbilical | B |
Question: What is the name for an underground layer of rock that is saturated with groundwater?
Options:
A. gradient
B. aqueous cavity
C. aquifer
D. artesian well | C |
Question: What are prepared by the oxidation of secondary alcohols?
Options:
A. ions
B. ketones
C. protons
D. more alcohol | B |
Question: Saturated and unsaturated are the two main kinds of what?
Options:
A. fats
B. acids
C. sugars
D. polymers | A |
Question: Most reptiles lay what kind of eggs?
Options:
A. hard-shelled
B. roe
C. umbilical
D. amniotic | D |
Question: Sulfur can combine with oxygen to produce what?
Options:
A. sulfur dioxide
B. sulfur trioxide
C. sulfur oxide
D. sulfur bioxide | B |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.