subject
float64 | question
stringlengths 78
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stringclasses 4
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|---|---|---|
null | Question: How many moons does pluto have?
Options:
A. two
B. three
C. six
D. four
Answer: | B |
null | Question: What can prevent the passage of molecules and ions between cells, such as in the blood-brain barrier?
Options:
A. tight junctions
B. solid junctions
C. special junctions
D. fatty junctions
Answer: | A |
null | Question: The conversion factor between solubility and molar solubility of a compound is known as what?
Options:
A. mass effect
B. molar value
C. stochastic mass
D. molar mass
Answer: | D |
null | Question: Why is water important for the nervous system?
Options:
A. to prevent disease
B. to prevent dehydration
C. to carry information
D. to carry nutrients
Answer: | B |
null | Question: What is the name of the extra layer that prokaryotes have outside the cell wall?
Options:
A. a capsule
B. a shell
C. a shape
D. a bone
Answer: | A |
null | Question: How many times does the height of the largest wave increase with each level?
Options:
A. 5 times
B. 100 times
C. 10 times
D. 20 times
Answer: | C |
null | Question: Upon ovulation, the oocyte released by the ovary is swept into where?
Options:
A. placental barrier
B. uterine tube
C. umbilical cord
D. vas deferens
Answer: | B |
null | Question: Phagocytosis, pinocytosis, and receptor-mediated endocytosis are the three types of what?
Options:
A. nanoparticles
B. modulators
C. endocytosis
D. mitosis
Answer: | C |
null | Question: Bones are considered organs because they contain what, specifically?
Options:
A. tissue
B. DNA
C. blood
D. calcium
Answer: | A |
null | Question: What effect causes global winds to blow on a diagonal over the earth's surface?
Options:
A. resonant effect
B. dopler effect
C. coriolis effect
D. centrifugal effect
Answer: | C |
null | Question: What system do trees need to transport nutrients?
Options:
A. photosynthetic system
B. passive transport membrane
C. vascular
D. circulatory
Answer: | C |
null | Question: Metabolism is an emergent property of life that arises from orderly interactions between what?
Options:
A. tissues
B. body systems
C. nutrients
D. molecules
Answer: | D |
null | Question: The structure of mitochondrion plays an important role in what?
Options:
A. magnetism
B. sexual reproduction
C. cell division
D. aerobic respiration
Answer: | D |
null | Question: Most motions in nature follow ________ rather than straight lines?
Options:
A. curved paths
B. horizontal paths
C. sharp paths
D. vertical paths
Answer: | A |
null | Question: Because most gas particles in the atmosphere are concentrated close to earth's surface, air pressure is greatest where?
Options:
A. at sea level
B. ground level
C. atmosphere
D. seabed floor
Answer: | A |
null | Question: What is another name for the vertebral column?
Options:
A. backbone
B. pillar
C. brain stem
D. nerve column
Answer: | A |
null | Question: What type of physics explains the behavior of visible light and electromagnetic waves?
Options:
A. optics
B. Quantum mechanics
C. statistics
D. Thermodynamics
Answer: | A |
null | Question: Which pollution can cause lung cancer and can also make asthma and other diseases worse?
Options:
A. water pollution
B. air pollination
C. climate pollution
D. air pollution
Answer: | D |
null | Question: The cultivated forms of wheat, cotton, and tobacco plants are all what?
Options:
A. pores
B. bales
C. sporozoans
D. allopolyploids
Answer: | D |
null | Question: The amount of force applied per given area is called?
Options:
A. energy
B. strength
C. power
D. pressure
Answer: | D |
null | Question: Fish are a diverse and interesting group of organisms in what sub-phylum?
Options:
A. vertebrates
B. mammals
C. invertebrates
D. organelles
Answer: | A |
null | Question: Spicules are most conspicuously present in which class?
Options:
A. trichina
B. spirogyra
C. phylum
D. hexactinellida
Answer: | D |
null | Question: What did darwin call the evolutionary concept of change in populations over generations?
Options:
A. metabolism with modifications
B. descent with modifications
C. formation with modifications
D. reproduction with modifications
Answer: | B |
null | Question: In a generator, work done to turn the coil is converted to what type of energy?
Options:
A. solar
B. electric
C. power
D. voltage
Answer: | B |
null | Question: Each bond includes a sharing of electrons between atoms. two electrons are shared in a single bond; four electrons are shared in a double bond; and six electrons are shared in this?
Options:
A. triple bond
B. ionic bond
C. magnetic bond
D. quadruple bond
Answer: | A |
null | Question: Geologists group rocks based on how they what?
Options:
A. dissove
B. form
C. move
D. look
Answer: | B |
null | Question: What does ubiquitin indicate about a protein's lifespan?
Options:
A. reaction ratio
B. transaction
C. initiation
D. completion
Answer: | D |
null | Question: Where do most biochemical reactions take place?
Options:
A. outside of cells
B. stomach
C. upper atmosphere
D. within cells
Answer: | D |
null | Question: Being exposed to sunlight will produce what vitamin in the skin?
Options:
A. vitamin A
B. B-complex
C. Vitamin E
D. vitamin d
Answer: | D |
null | Question: Structurally, diplomonads have two equal-sized what and multiple flagella?
Options:
A. neutrons
B. nuclei
C. atoms
D. electrons
Answer: | B |
null | Question: What holds homologs together as the spindle forms for the first meiotic division?
Options:
A. magnetism
B. pollenation
C. chiasmata
D. spirogyra
Answer: | C |
null | Question: What gas is released into the atmosphere when fossil fuels are burned?
Options:
A. co2
B. hydrogen
C. helium
D. glucose
Answer: | A |
null | Question: What is the main component of milk?
Options:
A. water
B. lactose
C. proteins
D. fat
Answer: | A |
null | Question: When are nutrients absorbed into the body?
Options:
A. after excretion
B. during digestion
C. before digestion
D. after digestion
Answer: | B |
null | Question: What phase does the nuclear envelope begin to break down?
Options:
A. prophase i
B. nitrogenase i
C. interphase
D. pasiphaë i
Answer: | A |
null | Question: During what in the small intestine do rings of smooth muscle repeatedly contract and then relax?
Options:
A. mitosis
B. segmentation
C. contraction
D. compression
Answer: | B |
null | Question: What kind of map can show the features of the bottom of a body of water?
Options:
A. bathymetric
B. country
C. basic
D. topographic
Answer: | A |
null | Question: What is defined as the ability to cause changes in matter?
Options:
A. evolution
B. energy
C. nuclear
D. momentum
Answer: | B |
null | Question: When water goes above and below its freezing point, what rock-breaking phenomenon is common?
Options:
A. ice locking
B. ice wedging
C. ice inverting
D. ice crushing
Answer: | B |
null | Question: What term in physics refers to the use of force to move an object?
Options:
A. velocity
B. mass
C. work
D. momentum
Answer: | C |
null | Question: What is the most important way that humans communicate?
Options:
A. inheritance
B. language
C. painting
D. instinct
Answer: | B |
null | Question: Where do carrier proteins carry ions or molecules?
Options:
A. back to nucleus
B. across isotopes
C. across the membrane
D. between nuclei
Answer: | C |
null | Question: Surprisingly, where would you find the earth’s tallest mountains and deepest canyons?
Options:
A. ocean floor
B. rain forests
C. taiga
D. Tibet
Answer: | A |
null | Question: Statoliths are starch-filled plastids that enable plant roots to detect what force?
Options:
A. gravity
B. impact
C. current
D. variation
Answer: | A |
null | Question: What does phagocytosis defend the body from?
Options:
A. obesity
B. parasites
C. allergies
D. pathogens
Answer: | D |
null | Question: Mendel’s observation of pea plants also included many crosses that involved multiple traits, which prompted him to formulate the principle of this?
Options:
A. independent texture
B. independent contain
C. dependent evolution
D. independent assortment
Answer: | D |
null | Question: What are materials that are good conductors of thermal energy called?
Options:
A. geospatial conductors
B. thermal conductors
C. reflective conductors
D. atmospheric conductors
Answer: | B |
null | Question: What is the name for creatures such as bears and humans that eat both consumers and producers?
Options:
A. carnivorous
B. paleo diet
C. omnivores
D. insectivores
Answer: | C |
null | Question: What do scientists think to be the oldest eukaryotes?
Options:
A. protists
B. bivalves
C. ciliate
D. arthropods
Answer: | A |
null | Question: What protects the pollen of seed plants and spores of seedless plants?
Options:
A. sporopollenin
B. cystosol
C. cocklebur
D. chlorophyll
Answer: | A |
null | Question: What do you call any device that makes work easier by changing a force?
Options:
A. machine
B. invention
C. technology
D. battery
Answer: | A |
null | Question: What is the complex network of nervous tissue that carries electrical messages throughout the body?
Options:
A. circulatory system
B. nervous system
C. lymphatic system
D. respiratory system
Answer: | B |
null | Question: The energy required to remove an electron from a gaseous atom is called?
Options:
A. vapor energy
B. ionization energy
C. potential energy
D. fission energy
Answer: | B |
null | Question: What energy is stored in a person or object?
Options:
A. stored energy
B. mechanical energy
C. potential energy
D. kinetic energy
Answer: | C |
null | Question: Because carbohydrates have a carbonyl functional group and several hydroxyl groups, they can undergo a variety of biochemically important reactions. the carbonyl group, for example, can be oxidized to form a carboxylic acid or reduced to form this?
Options:
A. alcohol
B. glucose
C. caffeine
D. sucrose
Answer: | A |
null | Question: Snails, scallops, and squids are what type of invertebrate?
Options:
A. algae
B. mollusk
C. crustacean
D. arthropod
Answer: | B |
null | Question: By pulling out grass by its roots and over-grazing, livestock contribute to what negative process?
Options:
A. erosion
B. migration
C. immigration
D. evolution
Answer: | A |
null | Question: What does the presence of gill slits suggest about humans and fish?
Options:
A. Common Cells
B. Shared History
C. Same evolutionary chain
D. common ancestor
Answer: | D |
null | Question: What is the cure of cancer known as?
Options:
A. regeneration
B. rejuvenation
C. metabolism
D. remission
Answer: | D |
null | Question: Compression, tension and shear refer to what type of force that can cause rock to change?
Options:
A. process
B. gravity
C. seismic force
D. stress
Answer: | D |
null | Question: Blood is made up of red blood cells, white blood cells, platelets, and what else?
Options:
A. plasma
B. hemoglobin
C. potassium
D. pathogens
Answer: | A |
null | Question: Where does digestion take place within an incomplete digestive system?
Options:
A. central nervous system
B. gastrovascular cavity
C. lumbar region
D. abdomen
Answer: | B |
null | Question: Gastropods, cephalopods, and bivalves are examples of what class?
Options:
A. mollusks
B. invertebrates
C. animals
D. cetaceans
Answer: | A |
null | Question: What type of eukaryotes are protists normally?
Options:
A. immature
B. photosynthetic
C. multicellular
D. unicellular
Answer: | D |
null | Question: What organs are considered the female gonads?
Options:
A. fallopian tubes
B. uterus
C. testes
D. ovaries
Answer: | D |
null | Question: Echinoderms are found in many different ocean environments, but most are found where?
Options:
A. in waterfalls
B. in reefs
C. in beaches
D. in tidepools
Answer: | B |
null | Question: The nervous system is characterized by electrical signals that are sent from one area to another. whether those areas are close or very far apart, the signal must travel along this?
Options:
A. axon
B. tendons
C. axial
D. hairs
Answer: | A |
null | Question: Did the the open circulatory systems of molluscs and arthropods arise dependently or independently of each other?
Options:
A. independently
B. dependently
C. together
D. separately
Answer: | A |
null | Question: What is it called when a liquid displays more attraction between the liquid particles than attraction between the liquid and the glass?
Options:
A. flexion
B. tension
C. cohesion
D. stability
Answer: | C |
null | Question: What type of locomotion do humans have?
Options:
A. crawling
B. bipedal
C. quadrupedal
D. elongated
Answer: | B |
null | Question: The olfactory receptor neurons are located in a small region within what cavity?
Options:
A. exterior nasal
B. inferior nasal
C. superior nasal
D. posterior nasal
Answer: | C |
null | Question: What leaves behind crescent-shaped scars on a hillside and may be caused by a layer of slippery, wet clay underneath the rock and soil on a hillside?
Options:
A. slump
B. shearing
C. creep
D. slide
Answer: | A |
null | Question: What term is used to describe is the spontaneous emission of particles and radiation from atomic nuclei?
Options:
A. intensity
B. microscopic
C. vibration
D. radioactivity
Answer: | D |
null | Question: Sterols are a subgroup of what?
Options:
A. antibiotics
B. steroids
C. nutrients
D. nuclides
Answer: | B |
null | Question: What kind of lakes form when volcanic eruptions create massive holes that fill with water?
Options:
A. volcanic cavities
B. eruption bowls
C. crater lakes
D. lava lakes
Answer: | C |
null | Question: What is the force pushing a rocket called?
Options:
A. friction
B. direction
C. thrust
D. momentum
Answer: | C |
null | Question: What part of the rainforest commonly has ferns and other ground plants?
Options:
A. understory
B. canopy layer
C. emergent layer
D. forest floor
Answer: | A |
null | Question: The most common elements have the most tightly bound __________.
Options:
A. membrane
B. quarks
C. atoms
D. nuclei
Answer: | D |
null | Question: Minerals form when they precipitate from hot fluids that have done what?
Options:
A. dried out
B. accelerated down
C. heated up
D. cooled down
Answer: | D |
null | Question: What is the only commercial way of reproducing plants such as orchids?
Options:
A. sexual reproduction
B. cross-breeding
C. cloning
D. grafting
Answer: | C |
null | Question: What are the building blocks of life?
Options:
A. muscles
B. bricks
C. cells
D. seeds
Answer: | C |
null | Question: The rate of what process depends on how many of an organism’s genes have changed over a period of time and on the generation time of a particular species?
Options:
A. respiration
B. digestion
C. evolution
D. photosynthesis
Answer: | C |
null | Question: What unit of measurement determines how far something travels in a given amount of time?
Options:
A. volume
B. distance
C. density
D. speed
Answer: | D |
null | Question: What term describes an imbalance of attractive forces between liquid molecules at the surface of a liquid?
Options:
A. currents tension
B. surface tension
C. obsolute tension
D. molecular tension
Answer: | B |
null | Question: What are by far the most common type of invertebrate?
Options:
A. insects
B. crustaceans
C. spiders
D. corals
Answer: | A |
null | Question: What senses the movement of liquid in ear canals?
Options:
A. Ear Drum
B. muscle cells
C. Brain Cells
D. hair cells
Answer: | D |
null | Question: What is the ability to cause changes in matter?
Options:
A. energy
B. hydrogen
C. pressure
D. force
Answer: | A |
null | Question: What is the leading cause of death in the united states?
Options:
A. heart disease
B. lung cancer
C. automobile accidents
D. suicide
Answer: | A |
null | Question: What do you call the membrane-bounded droplets that have some properties of cells?
Options:
A. rods
B. protocells
C. membranes.
D. sporozoans
Answer: | B |
null | Question: Diagnosing and treating cancer is a beneficial use of what potentially dangerous energy?
Options:
A. mechanical
B. radiation
C. thermal
D. solar
Answer: | B |
null | Question: What is common in two eukaryotic proteins?
Options:
A. DNA
B. one domain
C. cells
D. translation
Answer: | B |
null | Question: What happens when a cell takes in substances through its membrane?
Options:
A. metastasis
B. filtration
C. dialysis
D. endocytosis
Answer: | D |
null | Question: What part of the atmosphere is the heat source?
Options:
A. ionosphere
B. stratosphere
C. troposphere
D. magnetosphere
Answer: | B |
null | Question: The three segments of arthropods are the head, thorax and what?
Options:
A. chest
B. abdomen
C. appendages
D. antennae
Answer: | B |
null | Question: What is the series of changes in the reproductive system of a mature female that happens monthly?
Options:
A. urinary cycle
B. pregnancy
C. menstrual cycle
D. fetal cycle
Answer: | C |
null | Question: What were the first living things to evolve on earth?
Options:
A. eukaryotes
B. carbon
C. DNA
D. prokaryotes
Answer: | D |
null | Question: A period is a horizontal row of the what?
Options:
A. phases table
B. periodic table
C. species table
D. cycles table
Answer: | B |
null | Question: Where is the cell wall located?
Options:
A. outside cell membrane
B. in cell membrane
C. in the mitochondria
D. in the chloroplast
Answer: | A |
null | Question: What property is the result of the force of gravity being opposed by the normal force?
Options:
A. weight
B. light
C. sound
D. density
Answer: | A |
null | Question: Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers?
Options:
A. droughts climate
B. temperate climate
C. subarctic climate
D. tropical climate
Answer: | C |
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