subject
float64 | question
stringlengths 78
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|---|---|---|
null | Question: What common ailment is typically caused by tense muscles in the shoulders, head and neck?
Options:
A. disturbances
B. fever
C. headache
D. pollution
Answer: | C |
null | Question: What are natural sponges made of?
Options:
A. sea plants
B. sand
C. sea animals
D. sea shells
Answer: | C |
null | Question: If an electric current passes through water, water molecules break down into molecules of what?
Options:
A. oxygen and methane
B. hydrogen and carbon
C. carbon and oxygen
D. hydrogen and oxygen
Answer: | D |
null | Question: What is the term for the simplest form of matter that has a unique set of properties?
Options:
A. an element
B. an atom
C. an electron
D. a neutron
Answer: | A |
null | Question: Antibiotics can cure most infections that are caused by what?
Options:
A. algae
B. bacteria
C. bile
D. bacterium
Answer: | B |
null | Question: What kind of reaction adds water to an organic molecule and breaks the large molecule into smaller molecules?
Options:
A. aerobic reaction
B. heat reaction
C. supplementation reaction
D. hydration reaction
Answer: | D |
null | Question: Which blood leaves the placenta through veins leading back to the fetus?
Options:
A. molecular
B. immunity
C. fetal
D. pelvic
Answer: | C |
null | Question: What is the largest and most complex algae
Options:
A. open algae
B. green algae
C. brown algae
D. strange algae
Answer: | C |
null | Question: Strong bands of dense, regular connective tissue that connect muscles to bones are called what?
Options:
A. tendons
B. membranes
C. cartilage
D. veins
Answer: | A |
null | Question: How do parathyroid hormones react as a body ages?
Options:
A. use with age
B. help with age
C. decrease with age
D. increase with age
Answer: | D |
null | Question: What type of weathering breaks rock into smaller pieces?
Options:
A. chemical weathering
B. fluid weathering
C. chemical erosion
D. mechanical weathering
Answer: | D |
null | Question: Arrows and cannon balls are examples of objects with what kind of motion?
Options:
A. projectile
B. velocity
C. accelerating
D. fluid
Answer: | A |
null | Question: What done ozone help protect against?
Options:
A. x-rays
B. ultraviolet rays
C. helium rays
D. gamma rays
Answer: | B |
null | Question: What helps form the walls of internal organs such as the heart and stomach?
Options:
A. tissues
B. valves
C. blood
D. muscles
Answer: | D |
null | Question: What type of energy causes erosion at the shore?
Options:
A. potential
B. tidal
C. kinetic
D. wave
Answer: | D |
null | Question: What is the term for rain that has a ph less than 5, due to carbon dioxide dissolving?
Options:
A. acid rain
B. frozen rain
C. basic rain
D. carbon rain
Answer: | A |
null | Question: What is caused by atoms or ions when they share or transfer valance electrons?
Options:
A. gain of charge
B. force of attraction
C. force of repulsion
D. loss of charge
Answer: | B |
null | Question: In what process is atp created by glycolysis, without oxygen?
Options:
A. sedimentation
B. fermentation
C. oxidation
D. condensation
Answer: | B |
null | Question: Irrigation can waste a lot of what natural resource?
Options:
A. water
B. fertilizer
C. money
D. habitat
Answer: | A |
null | Question: The number of particles of a substance in a given volume is known as?
Options:
A. concentration
B. mass
C. frequency
D. range
Answer: | A |
null | Question: What keeps various species from mating and reproducing outside their own species?
Options:
A. cancer organ incompatibility
B. digestive system incompatibility
C. reproductive organ incompatibility
D. brain organ incompatibility
Answer: | C |
null | Question: In what unit is frequency measured in?
Options:
A. hertz
B. mole
C. gram
D. centimeter
Answer: | A |
null | Question: What is the most common plant-like protist?
Options:
A. mundane algae
B. esoteric algae
C. invasive algae
D. unicellular algae
Answer: | D |
null | Question: What system of the body is responsible for producing hormones?
Options:
A. regulatory system
B. nervous system
C. homeostasis system
D. endocrine system
Answer: | D |
null | Question: What are all scientific explanations and interpretations based on?
Options:
A. facts
B. theories
C. changes
D. controls
Answer: | A |
null | Question: What organ do mammals have that is exceptionally large for their body size?
Options:
A. lungs
B. liver
C. heart
D. brain
Answer: | D |
null | Question: What can be calculated by solving the average speed formula?
Options:
A. distance or time
B. mass or time
C. distance or mass
D. accelaration
Answer: | A |
null | Question: What is the product of microfilament movement powered by chemical energy?
Options:
A. muscle contraction
B. nerve stimulation
C. blood circulation
D. muscle fusion
Answer: | A |
null | Question: Which three colors are called the primary colors of light?
Options:
A. red, blue, yellow
B. red, green, blue
C. blue, green, violet
D. black, white, red
Answer: | B |
null | Question: Has this ever happened to you? you walk across a carpet, reach out to touch a metal doorknob, and get an unpleasant electric shock? .the reason you get a shock is because of what?
Options:
A. sunlight charge
B. temperature charge
C. electrical charge
D. solar charge
Answer: | C |
null | Question: What part of a chromosome exists in different states of condensation at different times?
Options:
A. chromonema
B. pellicle
C. the chromatin
D. centromeres
Answer: | C |
null | Question: What tool do scientist's use to show the evolutionary pathways and connections among organisms?
Options:
A. conceptual tree
B. superficial tree
C. phylogenetic tree
D. photogenetic tree
Answer: | C |
null | Question: The process of transferring pollen from the male reproductive part of a flower known as the anthers to the female reproductive part of the flower known as the stigma is referred to as what?
Options:
A. inoculation
B. pollination
C. reproduction
D. fertilization
Answer: | B |
null | Question: Hyperparathyroidism results from an overproduction of what?
Options:
A. parathyroid hormone
B. tharayroid hormone
C. elevated hormone
D. inhibited hormone
Answer: | A |
null | Question: Acid rain may be caused by what?
Options:
A. air pollution
B. volcanos
C. hurricanes
D. water pollution
Answer: | A |
null | Question: Most vascular plants are seed plants, also known as?
Options:
A. spermatophytes
B. bacteria
C. sporozoans
D. fungus
Answer: | A |
null | Question: What do marine autotrophs acquire in carbonic acid, its dissolved form?
Options:
A. carbon monoxide
B. chlorine dioxide
C. silicon dioxide
D. carbon dioxide
Answer: | D |
null | Question: What is the top part of water able to receive enough sunlight for photosynthesis called?
Options:
A. fantasmic zone
B. synthesis zone
C. thymic zone
D. photic zone
Answer: | D |
null | Question: What helps determine the concentration of a species in a solution?
Options:
A. technical analysis
B. fundamental analysis
C. qualitative analysis
D. quantitative analysis
Answer: | D |
null | Question: What type of behavior occurs naturally in all animals of a given species?
Options:
A. innate
B. learned
C. reflex
D. observational
Answer: | A |
null | Question: What structures located on chromosomes control characteristics of life and are passed from parents to offspring?
Options:
A. genes
B. axons
C. eggs
D. cells
Answer: | A |
null | Question: Because the nuclei of each h atom contain protons, the electrons in the bond are attracted to the nuclei (opposite charges attract). but because the two atoms involved in the covalent bond are both h atoms, each nucleus attracts the electrons by the same amount. thus the electron pair is equally shared by these?
Options:
A. nine atoms
B. four atoms
C. two atoms
D. one atom
Answer: | C |
null | Question: What does the male reproductive system consist of?
Options:
A. structures that collect urine
B. organs that produce estrogen
C. structures that produce ova
D. structures that produce sperm and secrete testosterone
Answer: | D |
null | Question: What type of reproduction takes place when an animal simply divides into two parts?
Options:
A. fission
B. sexual reproduction
C. fusion
D. budding
Answer: | A |
null | Question: The paranasal sinuses are hollow, air-filled spaces located within certain bones of the skull. all of the sinuses communicate with the nasal cavity (paranasal = “next to nasal cavity”) and are lined with this?
Options:
A. nasal mucosa
B. respiration mucosa
C. oral mucosa
D. fluid mucosa
Answer: | A |
null | Question: Meissner’s corpuscles are not as plentiful in the palms as they are in the what other part of the hand?
Options:
A. bones
B. fingernails
C. cuticles
D. fingertips
Answer: | D |
null | Question: What method do scientists use to answer questions?
Options:
A. scientific method
B. regulatory method
C. inquisitive method
D. solutive method
Answer: | A |
null | Question: What happens when liquid water evaporates?
Options:
A. seawater happens
B. condensation
C. humidity happens
D. snow
Answer: | C |
null | Question: Plants go through seasonal changes after detecting differences in what?
Options:
A. week length
B. temperature
C. weather
D. day length
Answer: | D |
null | Question: What is the name of the outer layer of skin?
Options:
A. the dermis
B. hypodermis
C. the epidermis
D. endodermis
Answer: | C |
null | Question: What causes a meteoroid to vaporize after it enters the atmosphere?
Options:
A. friction with atmosphere
B. gravitational pull
C. spontaneous combustion
D. atmospheric pressure
Answer: | A |
null | Question: The horizontal stems on strawberry plants are called what?
Options:
A. glands
B. nodules
C. stolons
D. buds
Answer: | C |
null | Question: What type of mutations cannot be passed on to offspring?
Options:
A. symbiotic mutations
B. instructional mutations
C. functional mutations
D. somatic mutations
Answer: | D |
null | Question: Is the digestive tract of many sharks longer or shorter than many other vertebrates?
Options:
A. heavier
B. longer
C. narrower
D. shorter
Answer: | D |
null | Question: What term is used to describe potential energy due to an object’s shape?
Options:
A. elastic potential energy
B. stimulated potential energy
C. kinetic energy
D. flexible energy
Answer: | A |
null | Question: What is the term for a mountain-building event?
Options:
A. glaciation
B. volcanism
C. erosion
D. orogeny
Answer: | D |
null | Question: What is name of the phenomenon where similar traits evolve independently in species that do not share a common ancestry?
Options:
A. coalescence evolution
B. equation evolution
C. divergent evolution
D. convergent evolution
Answer: | D |
null | Question: What is occurring at an alarming rate as a result of global climate change and the constant melting point of ice?
Options:
A. glacial movement
B. glacial formation
C. glacier melt
D. glacial hardening
Answer: | C |
null | Question: Although it is the easiest to observe, what property is not ideal as a sole way to identify minerals?
Options:
A. color
B. density
C. temperature
D. composition
Answer: | A |
null | Question: Desert plants have evolved processes to conserve water and deal with harsh conditions. a more efficient use of co2 allows plants to adapt to living with what?
Options:
A. less competition
B. more sunlight
C. less water
D. more water
Answer: | C |
null | Question: What are fungi which feed on living cells called?
Options:
A. symbiotic
B. static
C. predatory
D. parasitic
Answer: | D |
null | Question: Under appropriate conditions, the attractions between all molecules in what state will cause them to form liquids or solids?
Options:
A. plasma
B. soild
C. gas
D. liquid
Answer: | C |
null | Question: How many pairs of chromosomes do human have ?
Options:
A. 31 pairs
B. 19 pairs
C. 23 pairs
D. 12 pairs
Answer: | C |
null | Question: What muscle in the chest helps inflate and deflate the lungs?
Options:
A. cartilage
B. heart
C. pectoral
D. diaphragm
Answer: | D |
null | Question: What refers to the union of a male and female of the same species for reproduction?
Options:
A. behavior
B. asexual reproduction
C. dating
D. mating
Answer: | D |
null | Question: What lipid, added to certain foods to keep them fresher longer, increases the risk of heart disease?
Options:
A. Omega-3 fatty acids
B. cholesterol
C. trans fat
D. fatty acids
Answer: | C |
null | Question: New species may be created by natural selection and one other way. what is the other way?
Options:
A. artifical selection
B. obvious selection
C. fake selection
D. squalling selection
Answer: | A |
null | Question: What do cells secrete that binds to receptors?
Options:
A. endorphans
B. proteins
C. factor
D. stress
Answer: | C |
null | Question: Forces which cause objects to turn around continuously in a circle are known as?
Options:
A. tension forces
B. frictional forces
C. centripetal forces
D. hydrodynamic forces
Answer: | C |
null | Question: Ebola is an example of a disease spread by what kind of infectious agent?
Options:
A. flus
B. colds
C. virus
D. bacteria
Answer: | C |
null | Question: When is the sun directly over the equator?
Options:
A. Fall
B. Winter
C. Midsummer
D. equinox
Answer: | D |
null | Question: What is the name of the galaxy we live in?
Options:
A. Andromeda
B. Centaurus A
C. milky way
D. Bode's Galaxy
Answer: | C |
null | Question: What holds together the small molecules called nucleotides which make up nucleic acids?
Options:
A. permanent bonds
B. curvature bonds
C. covalent bonds
D. dissonance bonds
Answer: | C |
null | Question: Bees, wasps, ants, butterflies, moths, flies and beetles belong to what animal phylum?
Options:
A. insects
B. crustaceans
C. cephalopods
D. arthropods
Answer: | D |
null | Question: Sublimation and deposition involve direct transitions between solid and gas without going through which state?
Options:
A. liquid
B. carbon
C. homeostasis
D. chemical
Answer: | A |
null | Question: Where do benthos live in oceans?
Options:
A. on the ocean floor
B. On the ocean surface
C. In deep water
D. In coral reefs
Answer: | A |
null | Question: How many types of surface waves are there?
Options:
A. three
B. six
C. over a hundred
D. two
Answer: | D |
null | Question: What system protects the body from worms, germs, and other agents of harm?
Options:
A. immune
B. hormones
C. lymph system
D. digestion
Answer: | A |
null | Question: The properties of the alkali metals are similar to each other as expected for elements in the same what?
Options:
A. class
B. branch
C. farm
D. family
Answer: | D |
null | Question: Which state of matter is characterized by molecules with minimal movement and strong forces between them?
Options:
A. plasma
B. liquid
C. gas
D. solid
Answer: | D |
null | Question: The specialized study of the motion of objects that are atomic/subatomic in size is called what?
Options:
A. quantum mechanics
B. atomic mechanics
C. enthalpy
D. string theory
Answer: | A |
null | Question: What are indestructible and constantly in motion?
Options:
A. atoms
B. viruses
C. ions
D. crystals
Answer: | A |
null | Question: Particulates from cigarette smoke that enter what structures can cause a permanent reduction in lung capacity?
Options:
A. alveoli
B. chambers
C. glands
D. cells
Answer: | A |
null | Question: During sexual arousal what does the clitoris, vagina, and labia minora all engorge with?
Options:
A. fluid
B. bacteria
C. blood
D. urine
Answer: | C |
null | Question: When a stalactite and stalagmite join together, they form a what?
Options:
A. joint
B. column
C. cave
D. ladder
Answer: | B |
null | Question: What do vertebrates have which invertebrates do not?
Options:
A. backbones
B. fangs
C. tails
D. appendages
Answer: | A |
null | Question: Competition that occurs between members of the same species, which improves the species’ adaptations, is called what?
Options:
A. adaptive behavior
B. intraspecific competition
C. interspecies competition
D. commensalism
Answer: | B |
null | Question: Where do stratus clouds occur in the troposphere?
Options:
A. mid-region
B. mid to high region
C. low
D. high
Answer: | C |
null | Question: In eukaryotic cells, where is the dna kept?
Options:
A. nucleus
B. mitochondria
C. cytoplasm
D. epidermis
Answer: | A |
null | Question: Which membranous organelles in a cell sequence enzyme and electron molecules for efficient cellular respiration?
Options:
A. mitochondria
B. bacterial
C. glucose
D. protons
Answer: | A |
null | Question: Sexual reproduction involves haploid gametes and produces a diploid zygote through what process?
Options:
A. vivisection
B. infection
C. sedimentation
D. fertilization
Answer: | D |
null | Question: What does our solar system orbit over the course of hundreds of millions of years?
Options:
A. volcanic center
B. retrograde center
C. a black hole
D. galactic center
Answer: | D |
null | Question: Some animals prepare for the long winter by going into what?
Options:
A. hibernation
B. suspended animation
C. pollination
D. fermentation
Answer: | A |
null | Question: Water in its solid state is commonly known as what?
Options:
A. sea
B. carbon dioxide
C. glass
D. ice
Answer: | D |
null | Question: When an oxidation number of an atom is decreased in the course of a redox reaction, that atom is being what?
Options:
A. replaced
B. increased
C. reduced
D. destroyed
Answer: | C |
null | Question: What is made up of a watery substance called cytosol and contains other cell structures such as ribosomes?
Options:
A. cytoskeleton
B. plasma
C. rna
D. cytoplasm
Answer: | D |
null | Question: What can be thought of as the fundamental unit of life?
Options:
A. cell
B. atom
C. electron
D. ion
Answer: | A |
null | Question: What can autographs do that heterotrophs cannot do?
Options:
A. live without sleep
B. live without water
C. make their own food
D. make their own air
Answer: | C |
null | Question: What does the kelvin scale measure?
Options:
A. oxygen
B. precipitation
C. height
D. temperature
Answer: | D |
null | Question: True animals are divided into those with radial versus bilateral styles of what?
Options:
A. molecular
B. magnetic
C. symmetry
D. attracted
Answer: | C |
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