subject
float64 | question
stringlengths 78
512
| answer
stringclasses 4
values |
|---|---|---|
null | Question: The punnett square shows the possible what, and their most likely ratios?
Options:
A. genotypes
B. phenotypes
C. receptors
D. chromosomes
Answer: | A |
null | Question: What does an invertebrate, like a snail, not have?
Options:
A. reproductive organs
B. eyes
C. backbone
D. a heart
Answer: | C |
null | Question: What organ contributes about 60% of the volume of semen ?
Options:
A. complete vesicles
B. long vesicles
C. cilia
D. seminal vesicles
Answer: | D |
null | Question: What is the main organ required for respiration in mammals?
Options:
A. the lungs
B. the diaphragm
C. the brain
D. the heart
Answer: | A |
null | Question: Under certain conditions, electric current causes what type of field?
Options:
A. kinetic
B. seismic
C. magnetic
D. light
Answer: | C |
null | Question: What is the term for force that opposes motion between any touching surfaces?
Options:
A. gravity
B. friction
C. stress
D. tension
Answer: | B |
null | Question: The two ovaries are small, oval organs on either side of what part of the body?
Options:
A. lungs
B. pancreas
C. heart
D. uterus
Answer: | D |
null | Question: The separation of compounds on the basis of their solubilities in a given solvent is known as what?
Options:
A. fractional crystallization
B. nuclei crystallization
C. simplest crystallization
D. separate crystallization
Answer: | A |
null | Question: What allows some things to enter the cell while keeping other things out?
Options:
A. cell substrate
B. cell membrane
C. cell vacuum
D. cell center
Answer: | B |
null | Question: Where does the natural synthesis of lactose occur?
Options:
A. liver tissue
B. mammary tissue
C. ovarian tissue
D. nervous tissue
Answer: | B |
null | Question: The period immediately following the transmission of an impulse in a nerve or muscle, in which a neuron or muscle cell regains its ability to transmit another impulse, is called the ______ period.
Options:
A. activation
B. interstitial
C. extraction
D. refractory
Answer: | D |
null | Question: What is it called when minerals replace the organic material to create fossils?
Options:
A. permineralization
B. carbonization
C. spongin
D. petrification
Answer: | A |
null | Question: What paired organs help regulate blood pressure through sodium ion and water retention and loss?
Options:
A. tissues
B. lungs
C. lymph nodes
D. kidneys
Answer: | D |
null | Question: The measurement of the extent of something along its greatest dimension is its what?
Options:
A. stretch
B. length
C. portion
D. depth
Answer: | B |
null | Question: What is the technical term for species that produce their own body heat and regulate their internal temperature independently of the outside temperature?
Options:
A. endothermic
B. hydrostatic
C. Phototrophic
D. osmotic
Answer: | A |
null | Question: What circulates with the blood or hemolymph and are often contained within specialized cells
Options:
A. respiratory pigments
B. structural pigments
C. muscular pigments
D. fat pigments
Answer: | A |
null | Question: At what point can nutrients enter or exit an ecosystem?
Options:
A. Hottest Point
B. any point
C. Largest Population Point
D. Longest Point
Answer: | B |
null | Question: What is the net force acting on an object when two equal forces are applied from opposite directions?
Options:
A. homeostasis
B. negative
C. zero
D. sum
Answer: | C |
null | Question: Light is energy that travels in the form of what type of wave?
Options:
A. electromagnetic
B. seismic
C. particle
D. molecular
Answer: | A |
null | Question: Compared to free-floating bacteria, bacteria in biofilms often show increased resistance to what?
Options:
A. antibiotics and detergents
B. alcohol and detergents
C. acid and antibiotics
D. acid and detergents
Answer: | A |
null | Question: What term refers to entities, events or powers regarded as being beyond nature, and cannot be explained by scientific means?
Options:
A. hypothetical
B. supernatural
C. natural
D. fictional
Answer: | B |
null | Question: The size and symmetry of a beetle’s or an elk’s antlers or a grasshopper’s song communicate rather clearly their state of what?
Options:
A. problem
B. society
C. health
D. need
Answer: | C |
null | Question: Two water molecules contain 4 hydrogen atoms and how many oxygen atoms?
Options:
A. 4
B. 1
C. 6
D. 2
Answer: | D |
null | Question: Convection is the transfer of what type of energy by particles moving through a fluid?
Options:
A. atmospheric
B. thermal
C. Nuclear
D. Chemical
Answer: | B |
null | Question: Substances produced by a reaction are known as?
Options:
A. compounds
B. minerals
C. products
D. solutions
Answer: | C |
null | Question: In a plant, the flower contains what?
Options:
A. seed and leaves
B. bud and stem
C. pollen and eggs
D. bees and blossoms
Answer: | C |
null | Question: Density and pressure of air decreases with what?
Options:
A. temperature
B. altitude
C. humidity
D. horizontal distance
Answer: | B |
null | Question: In the presence of oxygen, hydrogen can interact to make what?
Options:
A. carbon
B. acid
C. water
D. helium
Answer: | C |
null | Question: What is an organic compound that is the primary component of natural gas?
Options:
A. ethanol
B. sulfur
C. methane
D. magnesium
Answer: | C |
null | Question: What is the study of the vital statistics of populations and how they change over time?
Options:
A. anthropology
B. ethnography
C. demography
D. sociology
Answer: | C |
null | Question: Why do people build dams and levees?
Options:
A. store drinking water
B. increase flooding
C. to horde the water
D. prevent flooding
Answer: | D |
null | Question: What are are segmented invertebrates in phylum annelida called?
Options:
A. annelids
B. fungi
C. corals
D. flatworms
Answer: | A |
null | Question: Parenchymal, collenchymal, and sclerenchymal cells are associated with what types of living things?
Options:
A. fungi
B. plants
C. primates
D. parasites
Answer: | B |
null | Question: What is the basic unit of matter?
Options:
A. dark material
B. neutron
C. nucleus
D. atom
Answer: | D |
null | Question: What are flagellate protozoa that cause giardiasis?
Options:
A. plankton
B. diatoms
C. fungus
D. giardia
Answer: | D |
null | Question: There are about 50,000 vertebrate species, and they are placed in how many different classes?
Options:
A. three
B. four
C. nine
D. ten
Answer: | C |
null | Question: What is at the surface of a cell, arranged in similar bilayer?
Options:
A. phospholipids
B. fats
C. eukaryotes
D. pigments
Answer: | A |
null | Question: Tree sap enclosing an organism in amber or an organism preserved in tar or ice are actually examples of what?
Options:
A. corals
B. fuels
C. bones
D. fossils
Answer: | D |
null | Question: What do we call the visible part of the electromagnetic spectrum?
Options:
A. electricity
B. light
C. radio
D. weight
Answer: | B |
null | Question: What layer of soil usually does not have very small particles like clay?
Options:
A. topsoil
B. undersoil
C. sediment
D. silt
Answer: | A |
null | Question: The frequency of sound waves is measured in what, or the number of waves that pass a fixed point in a second?
Options:
A. hertz
B. watts
C. avis
D. Ohms
Answer: | A |
null | Question: What bone cell is responsible for forming new bone and is found in the growing portions of bone, including the periosteum and endosteum?
Options:
A. fibroblasts
B. congenial
C. epithelial
D. osteoblast
Answer: | D |
null | Question: What are decomposers that feed on the organic matter left over from other decomposers?
Options:
A. protozoa
B. saprotrophs
C. algae
D. fungi
Answer: | B |
null | Question: What structure forms a barrier between the cytoplasm and the environment outside the cell?
Options:
A. Flippases
B. cell membrane
C. Lipid bilayer
D. Cytoskeleton
Answer: | B |
null | Question: What does an electric field surround?
Options:
A. negative particle
B. neutral particles
C. a charged particle
D. charged ions
Answer: | C |
null | Question: Which lipid is mainly responsible for narrowing arteries and causing the disease atherosclerosis?
Options:
A. unsaturated fat
B. saturated fat
C. monoglyceride
D. cholesterol
Answer: | D |
null | Question: About 95 percent of lipids are absorbed in what organ of the digestive system?
Options:
A. kidneys
B. small intestine
C. stomach
D. large intestine
Answer: | B |
null | Question: How long are microfilaments?
Options:
A. 7 m
B. 7 nm
C. 9 nm
D. 4 nm
Answer: | B |
null | Question: During the day, what type of energy is transferred from the air over the land to the air over the water?
Options:
A. nuclear
B. atmospheric
C. thermal
D. magnetic
Answer: | C |
null | Question: Lacking blood vessels, nerve endings, or glands, the epidermis is the outer layer of what?
Options:
A. skin
B. liver
C. lungs
D. brain
Answer: | A |
null | Question: What are monosaccharides and disaccharides also called?
Options:
A. basic sugars
B. complex sugars
C. simple chemicals
D. simple sugars
Answer: | D |
null | Question: The rocks that are taken from a mine are full of valuable minerals plus rock that isn't valuable. what is this rock called?
Options:
A. waste rock
B. empty rock
C. compost rock
D. garbage rock
Answer: | A |
null | Question: The arrangement of what plant structures can be classified as either alternate, spiral, or opposite?
Options:
A. fruits
B. roots
C. spores
D. leaves
Answer: | D |
null | Question: Humans create different breeds of organisms using what kind of selection?
Options:
A. natural selection
B. artificial selection
C. biased selection
D. speciation
Answer: | B |
null | Question: For photosynthesis to begin, the inputs required are sunlight, water, and what?
Options:
A. phosphorus dioxide
B. carbon dioxide
C. sulfur dioxide
D. methane
Answer: | B |
null | Question: What kind of attraction does electrical force have?
Options:
A. positive
B. similar
C. negative
D. neutral
Answer: | C |
null | Question: After fertilization is complete, no other sperm can enter. the fertilized ovule forms the seed, whereas the tissues of the ovary become this?
Options:
A. vegetables
B. fruit
C. wheat
D. plant
Answer: | B |
null | Question: What are living things that obtain glucose by eating self feeders called?
Options:
A. chimeras
B. producers
C. heterotrophs
D. viruses
Answer: | C |
null | Question: Which stage is specialized for dispersal & reproduction?
Options:
A. larval stage
B. cocoon stage
C. fetal stage
D. adult stage
Answer: | D |
null | Question: Increasing the pressure on a gas has what effect on its solubility?
Options:
A. increase
B. slow
C. decrease
D. halt
Answer: | A |
null | Question: The hypothalamic releasing and inhibiting hormones are secreted near capillaries at the base of the what?
Options:
A. hypothalamus
B. lungs
C. hippocampus
D. pancreas
Answer: | A |
null | Question: What is the term for vascular plants that reproduce with seeds?
Options:
A. Reproductive Plants
B. mother plants
C. strain plants
D. seed plants
Answer: | D |
null | Question: During unfavorable conditions, mature seeds may enter a period of inactivity or extremely low metabolic activity called what?
Options:
A. germination
B. dormancy
C. hibernation
D. malignancy
Answer: | B |
null | Question: Sebaceous glands produce an oily substance called what?
Options:
A. pus
B. sebum
C. synovial fluid
D. ear wax
Answer: | B |
null | Question: When fuel is burned, most of the energy is released in what form?
Options:
A. heat
B. carbon dioxide
C. humidity
D. precipitation
Answer: | A |
null | Question: What occurs when a former inhabited area gets disturbed?
Options:
A. secondary succession
B. tertiary succession
C. tropical succession
D. primary succession
Answer: | A |
null | Question: How do organisms grow and repair themselves?
Options:
A. mutation
B. cell death
C. cell division
D. symbosis
Answer: | C |
null | Question: In artificial passive immunization, which items from an immune animal are injected into a nonimmune animal?
Options:
A. allergies
B. antibodies
C. parasites
D. platelets
Answer: | B |
null | Question: Temperature and precipitation determine the types of what that can grow in an area, in turn affecting the animals that live there?
Options:
A. building
B. roots
C. plants
D. birds
Answer: | C |
null | Question: What occurs when two free radicals come in contact with each other?
Options:
A. termination
B. cancellation
C. assimilation
D. radiation
Answer: | A |
null | Question: The process of splitting atoms creates what kind of waste?
Options:
A. recyclable
B. inert
C. safe
D. radioactive
Answer: | D |
null | Question: Acids are classified based on their what?
Options:
A. solvency
B. reaction to gas
C. ionization in water
D. diffusion in water
Answer: | C |
null | Question: Just as millions of different words are spelled with our 26-letter english alphabet, millions of different proteins are made with the 20 common what?
Options:
A. enzymes
B. peptides
C. mutation acids
D. amino acids
Answer: | D |
null | Question: The epidermis consists mainly of what type of cells?
Options:
A. crystalline
B. epithelial
C. cytoplasm
D. blood cells
Answer: | B |
null | Question: Seedless nonvascular plants are small. the dominant stage of the life cycle is the gametophyte. without a vascular system and roots, they absorb water and nutrients through all of their exposed surfaces. there are three main groups: the liverworts, the hornworts, and these?
Options:
A. mildew
B. algae
C. lichens
D. mosses
Answer: | D |
null | Question: What makes monotremes different than other mammals?
Options:
A. they lack backbones
B. they reproduce asexually
C. they spawn
D. they lay eggs
Answer: | D |
null | Question: After citric acid forms, it goes through a series of reactions that release what, which is then captured in special molecules?
Options:
A. hydrogen
B. chlorophyll
C. metabolytes
D. energy
Answer: | D |
null | Question: What did volcanic gases help to form on earth?
Options:
A. plants
B. rocks
C. water
D. atmosphere
Answer: | D |
null | Question: In which process do signaling molecules from embryonic cells cause transcriptional changes in nearby target cells?
Options:
A. maturation
B. orientation
C. replication
D. induction
Answer: | D |
null | Question: What celestial bodies are classified by color and temperature, ranging from blue to red and hottest to coolest?
Options:
A. astroids
B. galaxies
C. stars
D. planets
Answer: | C |
null | Question: Excretion is the process of removing excess water and wastes from the body. what are the main organs of excretion?
Options:
A. kidneys
B. brains
C. lungs
D. eyes
Answer: | A |
null | Question: How many atoms does water contain?
Options:
A. 9
B. 4
C. 3
D. 6
Answer: | C |
null | Question: A complete ionic equation is a chemical equation in which the dissolved ionic compounds are written as what?
Options:
A. charged ions
B. separated ions
C. realized ions
D. joined ions
Answer: | B |
null | Question: What is the term for biologically meaningful dna sequences?
Options:
A. babies
B. genes
C. atoms
D. eggs
Answer: | B |
null | Question: What type of traits are features that are passed from one generation to the next called?
Options:
A. genetic traits
B. inherited traits
C. familial traits
D. generational traits
Answer: | B |
null | Question: A standing wave is created when what type of wave interferes with the original wave?
Options:
A. realized wave
B. refracted wave
C. translated wave
D. reflected wave
Answer: | D |
null | Question: Generally speaking, electronegativity values ______ from left to right across a row in the periodic table and _______ down a column.
Options:
A. move, fall
B. increase, decrease
C. reverse, descend
D. decrease, increase
Answer: | B |
null | Question: A series of arches that support the gills of aquatic amphibians and fish are known as what?
Options:
A. aquatic arches
B. cochlear arches
C. scythian arches
D. branchial arches
Answer: | D |
null | Question: What does every star emit that humans cannot see?
Options:
A. radiation
B. dust
C. light
D. sound
Answer: | A |
null | Question: A lake is an example of what type of biome?
Options:
A. freshwater biome
B. organic biome
C. natural biome
D. wet biome
Answer: | A |
null | Question: Cycling, shoveling snow and cross-country skiing are examples of what kind of heart-strengthening activity?
Options:
A. aerobic
B. anaerobic
C. exercise
D. metabolism
Answer: | A |
null | Question: The anatomical arrangement of capillaries and alveoli emphasizes the structural and functional relationship of what systems?
Options:
A. respiratory and circulatory
B. endocrine and renal
C. nervous and lymphatic
D. digestive and respiratory
Answer: | A |
null | Question: What kind of organisms have many different types of specialized cells with particular jobs?
Options:
A. intricate
B. multicellular
C. crude
D. monocellular
Answer: | B |
null | Question: What is extracted from rock by heap leaching, flotation, or smelting?
Options:
A. copper
B. fuel
C. methane
D. ore
Answer: | D |
null | Question: What is the term for the tube that carries sound waves into the ear?
Options:
A. ear canal
B. flap canal
C. tone canal
D. sound canal
Answer: | A |
null | Question: Which electromagnetic radiation is used to kill cancer cells?
Options:
A. gamma rays
B. X-rays
C. plasma rays
D. ultraviolet rays
Answer: | A |
null | Question: Mechanical churning of food in what organ serves to further break it apart and expose more of its surface area to digestive juices, creating an acidic “soup” called chyme?
Options:
A. liver
B. gall bladder
C. stomach
D. kidneys
Answer: | C |
null | Question: Vultures, raccoons and blowflies are examples of what?
Options:
A. producer
B. predator
C. consumer
D. scavengers
Answer: | D |
null | Question: When bacteria are destroyed by leukocytes, what are released into the blood?
Options:
A. sporozoans
B. proteins
C. carcinogens
D. pyrogens
Answer: | D |
null | Question: In both eukaryotes and prokaryotes, ribosomes are the non-membrane bound organelles where what main product of the cell is made?
Options:
A. sugars
B. protons
C. lipids
D. proteins
Answer: | D |
Subsets and Splits
No saved queries yet
Save your SQL queries to embed, download, and access them later. Queries will appear here once saved.