subject
float64 | question
stringlengths 78
512
| answer
stringclasses 4
values |
|---|---|---|
null | Question: The environment where most chemical reactions in organisms takes place consists mostly of what?
Options:
A. water
B. helium
C. air
D. sodium
Answer: | A |
null | Question: What do plasmodesmata connect to in the plant cell?
Options:
A. sporozoans
B. nuclei
C. cytoplasms
D. pores
Answer: | C |
null | Question: What is a fibrocartilaginous pad that fills the gap between adjacent vertebral bodies?
Options:
A. intervertebral disc
B. subsidence disc
C. Back Disk
D. unidirectional disc
Answer: | A |
null | Question: What are sores in the lining of the stomach or duodenum that are usually caused by bacterial infections or acidity?
Options:
A. lesions
B. hernia
C. ulcers
D. clots
Answer: | C |
null | Question: What is oceanography the study of?
Options:
A. waters
B. oceans
C. bodies of water
D. seas
Answer: | B |
null | Question: What organism captures light energy and converts it to chemical energy inside its cell?
Options:
A. autotrophs
B. insects
C. plants
D. phototrophs
Answer: | D |
null | Question: The two parathyroid glands are located behind what gland?
Options:
A. thyroid
B. thymus
C. hypothalmus
D. pituitary gland
Answer: | A |
null | Question: What term describes a region of space around an atom that has a non-zero probability for an electron with a particular energy?
Options:
A. minimal orbital
B. orbital lobe
C. atomic orbital
D. related orbital
Answer: | C |
null | Question: What basic plant structures generally have large surface areas and high surface-to-volume ratios?
Options:
A. stems
B. roots
C. leaves
D. flowers
Answer: | C |
null | Question: Both endocytosis and ______ are active transport processes.
Options:
A. cellular respiration
B. biosynthesis
C. proteolysis
D. exocytosis
Answer: | D |
null | Question: During exercise, the rate of blood returning to the heart does this?
Options:
A. reduces
B. increases
C. changes randomly
D. remains stable
Answer: | B |
null | Question: What does a pollinator pick up from its body and carry directly to another plant of the same species?
Options:
A. seed
B. pollen
C. spore
D. pathogen
Answer: | B |
null | Question: What percentage of men suffer from some form of erectile dysfunction by age 40?
Options:
A. approximately 60 percent
B. approximately 10 percent
C. approximately 80 percent
D. approximately 40 percent
Answer: | D |
null | Question: The primary nitrogenous waste material secreted by ureotelic animals is what substance?
Options:
A. carbon
B. urea
C. nitrate
D. ammonia
Answer: | B |
null | Question: All proteins are made of monomers called what?
Options:
A. amino acids
B. aminotides
C. peptides
D. monotides
Answer: | A |
null | 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. stomach cilia
B. alveoli
C. intestinal villi
D. bile ducts
Answer: | C |
null | Question: What two types of digestive systems do invertebrates have?
Options:
A. unstable or complete
B. slow or complete
C. fast or slow
D. incomplete or complete
Answer: | D |
null | Question: What cells are typically characterized by the polarized distribution of organelles and membrane-bound proteins between their basal and apical surfaces?
Options:
A. nerve cells
B. mast cells
C. connective tissue
D. epithelial cells
Answer: | D |
null | Question: Tendon, cartilage, and bone are examples of what type of tissue that supports and binds other tissues of the body?
Options:
A. repetitive tissue
B. connective tissue
C. muscular tissue
D. untreated tissue
Answer: | B |
null | Question: What are elements that generally do not conduct electricity?
Options:
A. nonmetals
B. copper
C. iron
D. metal
Answer: | A |
null | Question: What forms when a glacier scrapes a large hole in the ground?
Options:
A. glacial hill
B. underground cavern
C. crater lake
D. glacial lake
Answer: | D |
null | Question: How is blood supplied from the mother to the fetus?
Options:
A. vagina
B. umbilical cord
C. brain stem
D. spinal cord
Answer: | B |
null | Question: What structures are at the end of the long air passages in the lungs?
Options:
A. alveoli
B. Oral Cavity
C. chloride
D. Larynx
Answer: | A |
null | Question: What is a funnel-shaped cloud of whirling high winds known as?
Options:
A. tsunami
B. tornado
C. volcano
D. hurricane
Answer: | B |
null | Question: What is the stage between a zygote and polyp?
Options:
A. egg
B. larva
C. worm
D. pupa
Answer: | B |
null | Question: What kind of reproduction produces genetically identical organisms or clones?
Options:
A. Sexual
B. Prophase I
C. Meiosis
D. asexual
Answer: | D |
null | Question: What is the job of hemoglobin in the body?
Options:
A. transports neurons
B. become scabs
C. infects oxygen
D. transports oxygen
Answer: | D |
null | Question: What organic catalysts work by lowering the activation energy needed to start biochemical reactions?
Options:
A. carbohydrates
B. glucose
C. hormones
D. enzymes
Answer: | D |
null | Question: Many metals react with acids to produce what gas?
Options:
A. neon
B. hydrogen
C. helium
D. mercury
Answer: | B |
null | Question: What gas is released by burning of fossil fuels and contributes to global warming?
Options:
A. hydrogen
B. nitrous oxide
C. helium
D. carbon dioxide
Answer: | D |
null | Question: Fungus-like protists are what kind of feeders?
Options:
A. reverse
B. demonstrative
C. absorptive
D. refractive
Answer: | C |
null | Question: Radiation, chemicals, and infectious agents are types of what?
Options:
A. dioxins
B. mutagens
C. mutations
D. endogenous
Answer: | B |
null | Question: It is the variety of what that gives rise to the incredible variation of protein structure and function?
Options:
A. clump acid side chains
B. organism acid side chains
C. spastic acid side chains
D. amino acid side chains
Answer: | D |
null | Question: What are responsible for the bending movements of the organelle?
Options:
A. pores
B. muscles
C. dyneins
D. sporozoans
Answer: | C |
null | Question: Fatty acids, triglycerides, phospholipids, and steroids are examples of what?
Options:
A. lipids
B. proteins
C. enzymes
D. tissues
Answer: | A |
null | Question: Mammals have four limbs and produce what kind of eggs?
Options:
A. amniotic
B. placental
C. hard-shelled
D. umbilical
Answer: | A |
null | Question: Which type of lava lavas are less viscous and erupt effusively?
Options:
A. mafic
B. Ultramafic lava
C. Felsic lava
D. Intermediate lava
Answer: | A |
null | Question: The quarks in a particle are confined, meaning individual quarks cannot be what?
Options:
A. separated
B. directly observed
C. changed
D. hypothesized
Answer: | B |
null | Question: What performance-enhancing drugs are synthetic versions of the male sex hormone, testosterone?
Options:
A. estrogen
B. anabolic steroids
C. catabolic steroids
D. progesterone
Answer: | B |
null | Question: What liquid is referred to as the "universal solvent"?
Options:
A. bromine
B. blood
C. water
D. gasoline
Answer: | C |
null | Question: What members of an ecosystem food chain take in food by eating producers or other living things?
Options:
A. primary producers
B. insectivores
C. decomposers
D. consumers
Answer: | D |
null | Question: What term describes the amount of material present in an object?
Options:
A. weight
B. mass
C. density
D. volume
Answer: | B |
null | Question: Birds generally practice what kind of relationship, with both parents helping to care for the young?
Options:
A. monogamous
B. carnivorous
C. synonomous
D. homologous
Answer: | A |
null | Question: What part of the sweet potato store sugar from photosynthesis as starch?
Options:
A. roots
B. skin
C. shrubs
D. plants
Answer: | A |
null | Question: In humans, pharyngeal slits later develop into what?
Options:
A. middle ear
B. long ear
C. outer ear
D. inner ear
Answer: | A |
null | Question: How does bacteria reproduce?
Options:
A. sexual reproduction
B. budding
C. binary fission
D. pollination
Answer: | C |
null | Question: Light can be used to eject what from a solid material?
Options:
A. electrons
B. calories
C. protons
D. neutrons
Answer: | A |
null | Question: The concentration of hydronium ions in a solution is known as what?
Options:
A. akaline
B. acidity
C. base
D. pH value
Answer: | B |
null | Question: Different media affect what property of light?
Options:
A. density
B. color
C. speed
D. temperature
Answer: | C |
null | Question: What element on the periodic table forms the most diverse compounds?
Options:
A. carbon
B. oxygen
C. hydrogen
D. helium
Answer: | A |
null | Question: What causes a small scrap of paper placed on top of the water droplet to float , although the object is denser (heavier) than the water?
Options:
A. van der waals force
B. surface tension
C. diffusion
D. transfusion
Answer: | B |
null | Question: What are large vesicles derived from the endoplasmic reticulum and golgi apparatus?
Options:
A. chloroplasts
B. vacuoles
C. alleles
D. tubules
Answer: | B |
null | Question: Most of the energy used by living things comes either directly or indirectly from what?
Options:
A. the moon
B. plants
C. the sun
D. the soil
Answer: | C |
null | Question: Marine fishes take in divalent ions by incessantly drinking what?
Options:
A. algae
B. seawater
C. oxygen
D. sand
Answer: | B |
null | Question: What monitors the level of carbon dioxide in the blood?
Options:
A. the brain stem
B. the heart
C. the kidneys
D. the lungs
Answer: | A |
null | Question: The lowest resonant frequency is called the what?
Options:
A. simplest
B. lowest
C. fundamental
D. basic
Answer: | C |
null | Question: Because they spread seeds, fruits are an agent of what?
Options:
A. predation
B. disposal
C. propagation
D. dispersal
Answer: | D |
null | Question: Earth spinning as air moves over its surface causes what?
Options:
A. axial tilt
B. seasons
C. coriolis effect
D. centrifugal effect
Answer: | C |
null | Question: A solenoid or coil wrapped around iron or certain other metals can form what kind of magnet?
Options:
A. polarized magnet
B. superconductor
C. permanent magnet
D. electromagnet
Answer: | D |
null | Question: Gases are most ideal at high temperature and what pressure?
Options:
A. high
B. absolute
C. low
D. stable
Answer: | C |
null | Question: What aspect of beryllium allows it to absorb x-rays?
Options:
A. high atomic number
B. relative atomic number
C. low atomic number
D. magnetism
Answer: | C |
null | Question: What makes up the central nervous system?
Options:
A. spine and lungs
B. heart and lungs
C. brain and heart
D. brain and spinal cord
Answer: | D |
null | Question: When we were dealing with electrical effects, it was very useful to speak of an electric field that surrounded what?
Options:
A. sunlight charge
B. electrical charge
C. stellar charge
D. liquid charge
Answer: | B |
null | Question: The "double helix" shape is associated with what substance found in cells?
Options:
A. genes
B. bacteria
C. plasma
D. dna
Answer: | D |
null | Question: What kind of reaction, in general, keeps stars shining?
Options:
A. magnetism
B. fission
C. fusion
D. evolution
Answer: | C |
null | Question: What types of orbits do comets usually have?
Options:
A. spectral
B. vertical
C. convex
D. elliptical
Answer: | D |
null | Question: What do anglerfish use their glow-in-the-dark, rod-like structure for?
Options:
A. for protection
B. to keep warm
C. to find a mate
D. to attract prey
Answer: | D |
null | Question: What is the term for the number of waves that pass a fixed point in a given amount of time?
Options:
A. wave velocity
B. wave frequency
C. wave distance
D. wave speed
Answer: | B |
null | Question: What is responsible for the physical changes of puberty?
Options:
A. testosterone
B. nicotine
C. caffeine
D. adrenaline
Answer: | A |
null | Question: In what do substances combine chemically to form a new substance?
Options:
A. component
B. compound
C. element
D. suspension
Answer: | B |
null | Question: What branch of science aims to understand all about our planet and its environments?
Options:
A. immunology
B. earth science
C. petrology
D. biology
Answer: | B |
null | Question: What is another name for flatworms such as tapeworms and flukes?
Options:
A. polychaetes
B. epiphytes
C. trematodes
D. platyhelminthes
Answer: | D |
null | Question: Unlike a crystalline solid, an amorphous solid is a solid that lacks a what?
Options:
A. ordered internal structure
B. atoms
C. color
D. weight
Answer: | A |
null | Question: What part of an atom is electrically neutral?
Options:
A. protons
B. newtons
C. neutrons
D. electrons
Answer: | C |
null | Question: What part of the cell helps it keep its shape?
Options:
A. cytoskeleton
B. nucleus
C. cytoplasm
D. enzymes
Answer: | A |
null | Question: Plants, algae and bacteria are all examples of what type of organism?
Options:
A. microbes
B. skeletal
C. photosynthetic
D. unicellular
Answer: | C |
null | Question: How many sperm does it take to fertilize an egg?
Options:
A. 2
B. 4
C. 1
D. 3
Answer: | C |
null | Question: Evolutionary adaptation is evidenced by different shapes of what structures in birds with different food preferences?
Options:
A. claws
B. necks
C. beaks
D. Stomach
Answer: | C |
null | Question: What are metals and good electrical conductors that tend to lose their valence electrons in chemical reactions called?
Options:
A. conservants
B. stable metals
C. precious metals
D. reductants
Answer: | D |
null | Question: Organism's changing over time is called?
Options:
A. evolution
B. heterogenicity
C. variation
D. generation
Answer: | A |
null | Question: Name a one-celled organism that can be found on your skin, in the ground, or in all different types of water.
Options:
A. pathogens
B. virus
C. fungus
D. bacteria
Answer: | D |
null | Question: Hydrogen-based fuel cells were and are used to provide what for manned space vehicles?
Options:
A. magnetism
B. light
C. gravity
D. electricity
Answer: | D |
null | Question: The total energy assimilated by an ecosystem in a give period is known as what?
Options:
A. size primary production
B. gross primary production
C. mean primary production
D. median primary production
Answer: | B |
null | Question: What happens to the reaction rate over the course of a reaction?
Options:
A. reverses
B. stays the same
C. slows down
D. speeds up
Answer: | C |
null | Question: Why do sodium and chloride ions attract each other?
Options:
A. sulfides attract
B. magnetism
C. like attracts like
D. opposites attract
Answer: | D |
null | Question: What compounds, which serve as fuels and are used in manufacturing, are called the driving force of western civilization?
Options:
A. fossils
B. gas
C. forests
D. hydrocarbons
Answer: | D |
null | Question: A barometer is a device that measures this?
Options:
A. water pressure
B. air pressure
C. humidity
D. temperature
Answer: | B |
null | Question: An amine is an organic compound that can be considered to be a derivative of what?
Options:
A. lead
B. calcium
C. nitrogen
D. ammonia
Answer: | D |
null | Question: What is the final product of the calvin cycle?
Options:
A. energy
B. glucose
C. insulin
D. chloride
Answer: | B |
null | Question: Cellular innate defenses in vertebrates also involve natural killer what?
Options:
A. cells
B. nerves
C. proteins
D. lipids
Answer: | A |
null | Question: The wave on a guitar string is transverse. the sound wave rattles a sheet of paper in a direction that shows the sound wave is what?
Options:
A. longitudinal
B. lateral
C. obtuse
D. magnetic
Answer: | A |
null | Question: The root system is usually anchored by one main root developed from what?
Options:
A. embryonic radicle
B. sperm radicle
C. organisms radicle
D. nuclei radicle
Answer: | A |
null | Question: What organ protects the body from injury, water loss, and microorganisms?
Options:
A. skin
B. liver
C. heart
D. hair
Answer: | A |
null | Question: Unlike liver bile, 'juice' produced by what organ is clear and composed mostly of water along with some salts, sodium bicarbonate, and digestive enzymes?
Options:
A. pancreas
B. gallbladder
C. stomach
D. spleen
Answer: | A |
null | Question: Which protein, that stores oxygen in muscle cells, has been purified from a number of organisms?
Options:
A. potassium
B. melanin
C. myoglobin
D. iodine
Answer: | C |
null | Question: Melanin in skin is produced in response to exposure to what type of light?
Options:
A. visible light
B. uv light
C. x rays
D. infrared light
Answer: | B |
null | Question: What is a substance or object that absorbs and dissipates heat but does not experience a corresponding increase in temperature?
Options:
A. heat diffuser
B. heat dispeller
C. heat storer
D. heat sink
Answer: | D |
null | Question: What is it called when a charge moves against a field?
Options:
A. force
B. momentum
C. power
D. work
Answer: | D |
null | Question: Many species in rhizaria are among the organisms referred to as what?
Options:
A. amoebas
B. protozoa
C. fungi
D. prokaryotes
Answer: | A |
null | Question: Plants need sunlight for what process?
Options:
A. glycolysis
B. photosynthesis
C. cyclogenesis
D. metamorphosis
Answer: | B |
Subsets and Splits