question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: What is considered to be the control center for homeostatic mechanisms?
Options:
A. thyroid
B. hippocampus
C. hypothalamus
D. adrenal cortex | C |
Question: What molecules with a nitrogen base are the basic components of nucleic acids?
Options:
A. nucleiotides
B. sporozoans
C. nuclides
D. enzymes | A |
Question: What were the first vertebrates to evolve?
Options:
A. trees
B. fish
C. snail
D. shark | B |
Question: What is defined as the rate of energy transferred?
Options:
A. pressure
B. charge
C. power
D. capacity | C |
Question: The cochlea and vestibul make up what part of the ear?
Options:
A. upper
B. outer
C. inner
D. middle | C |
Question: An individual with the appropriate number of what for their species is called euploid; abnormalities in this number include trisomy and monosomy?
Options:
A. ribosomes
B. genes
C. chromosomes
D. neutrons | C |
Question: A, t, g, and c pairs are associated with what substance that is important in genetics?
Options:
A. bacteria
B. blood
C. dna
D. plasma | C |
Question: What female flower structure, which is part of the pistil, receives the pollen grains and passes them to the ovary?
Options:
A. sepal
B. ovary
C. style
D. stigma | D |
Question: What is used by sensitive systems to detect even low levels of radiation?
Options:
A. radars
B. ions
C. electrons
D. crystals | D |
Question: What is the leading cause of skin cancer?
Options:
A. dehydration
B. artificial light
C. sunlight
D. smoking | C |
Question: What is cholera?
Options:
A. protein
B. bacteria
C. glucose
D. energy | B |
Question: Which element has atomic number 87?
Options:
A. iron
B. francium
C. argon
D. barium | B |
Question: What is the basic chemical building block of matter; it is the simplest chemical substance?
Options:
A. helium
B. element
C. hydrogen
D. atoms | B |
Question: What do you call the lower layer of soil that is permanently frozen, and is a frequent feature of tundra?
Options:
A. permafrost
B. solid
C. underfoot
D. solvent | A |
Question: Modern taxonomy is based on many hypotheses' of the evolutionary history of organisms, known as this?
Options:
A. pathogeny
B. phylogeny
C. algorithm
D. cladistic | B |
Question: What method plays a role in determining the approximate age of the earth and makes use of uranium?
Options:
A. waste dating
B. radioactive dating
C. carbon dating
D. fuel dating | B |
Question: The study of energy and energy transfer involving physical matter is what?
Options:
A. geology
B. biochemistry
C. nuclear energy
D. thermodynamics | D |
Question: In a science lab, what device would you use to measure the volume of a liquid?
Options:
A. anemometer
B. graduated cylinder
C. Richter scale
D. yardstick | B |
Question: Human blood has a buffering system to minimize extreme changes in what?
Options:
A. ph
B. calcium
C. sodium level
D. ions | A |
Question: The unpaired ethmoid bone is located where within the central skull?
Options:
A. at the top
B. at the fold
C. at the midline
D. at the point | C |
Question: A statement is considered what if it is open to being falsified?
Options:
A. premature
B. untrue
C. hypothesis
D. valid | C |
Question: Name the physical phenomenon of the ocean that has a significant impact on both ocean life and human life.
Options:
A. el pino
B. el nieto
C. el nino
D. las nino | C |
Question: What is the process by which large particles, such as cells, are taken in by a cell?
Options:
A. phagocytosis
B. mitosis
C. diffusion
D. active transport | A |
Question: Budding is a form of what type of reproduction in tunicates?
Options:
A. microscopic
B. asexual
C. sexual
D. nuclear | B |
Question: Ocean water releases dissolved carbon dioxide into the atmosphere when what happens to the temperature?
Options:
A. Later
B. Goes Down
C. Drops
D. it rises | D |
Question: The physical sciences can be divided into physics and what other science?
Options:
A. astrology
B. chemistry
C. biology
D. phsycology | B |
Question: What do you call trees that lose their leaves in the fall and grow new ones in the spring?
Options:
A. deciduous
B. fibrous
C. coniferous
D. perennial | A |
Question: In which organ of the body does gluconeogenesis primarily take place?
Options:
A. kidney
B. spleen
C. liver
D. heart | C |
Question: What kind of structure contains the largest known single cell?
Options:
A. sperm
B. egg
C. proteins
D. Ovaries | B |
Question: While enzymatic hydrolysis proceeds, peristalsis moves the mixture of chyme and digestive juices along what?
Options:
A. stomach
B. small intestine
C. esophagus
D. large intestine | B |
Question: What is the most common type of muscle in the human body?
Options:
A. internal
B. skeletal
C. digestive
D. fetal | B |
Question: The last two stages of aerobic respiration require what?
Options:
A. sulfur
B. oxygen
C. water
D. carbon | B |
Question: The rate of dissolving is influenced by surface area, stirring, and what else?
Options:
A. oxygen
B. temperature
C. density
D. gravity | B |
Question: What disease unique to humans and is caused by two variola viruses?
Options:
A. diabetes
B. smallpox
C. AIDS
D. ebola | B |
Question: What is the average kinetic energy of particles of matter?
Options:
A. temperature
B. friction
C. momentum
D. magnetism | A |
Question: How can you prevent your ice cream from getting a sandy texture?
Options:
A. by using lowfat milk
B. by adding oil
C. by using fructose
D. by adding salt | C |
Question: Plants can lose their leaves, flower, or break dormancy in response to a change in what?
Options:
A. averages
B. periods
C. seasons
D. events | C |
Question: What is the second highest mountain in the world, at over 28,000 feet?
Options:
A. k2
B. pikes peak
C. makalu
D. everest | A |
Question: What are the two classifications of natural resources?
Options:
A. renewable and nonrenewable
B. recyclable and reversible
C. renewable and reusable
D. productive and nonrenewable | A |
Question: Maintaining a high metabolic rate takes a lot of what?
Options:
A. hydrogen
B. energy
C. power
D. fuel | B |
Question: What is the photosynthesis factory of the plant?
Options:
A. chloroplast
B. pistil
C. stamen
D. genome | A |
Question: The process that a plant increases in size is known as what?
Options:
A. fertilization
B. harvest
C. trend
D. growth | D |
Question: What are reversible physical changes in matter called?
Options:
A. transformations
B. alterations
C. chemical change
D. changes of state | D |
Question: Compounds that form from two or more nonmetallic elements are called what?
Options:
A. hydrogen bonds
B. ionic bonds
C. covalent bonds
D. valent bonds | C |
Question: The ability to maintain a stable internal temperature, despite the climate, is exhibited by members of what animal group?
Options:
A. mammals
B. parasites
C. fish
D. reptiles | A |
Question: What are substances that provide hydrogen ions (h+) and lower ph?
Options:
A. acids
B. proteins
C. bases
D. nutrients | A |
Question: What are mercury manometers often used to measure?
Options:
A. brain waves
B. blood pressure
C. weight
D. balance | B |
Question: What did rockets help launch into space during their beginning?
Options:
A. sensors
B. satellites
C. rovers
D. shuttles | B |
Question: What sound can be heard when sound waves bounce back from a hard object?
Options:
A. eerie
B. echo
C. boom
D. loop | B |
Question: Robert merrifield developed the first synthetic approach for making what essential cell substances in the lab?
Options:
A. proteins
B. acids
C. lipids
D. cells | A |
Question: Strangeness, charm, bottomness, and topness are properties of what subatomic particle?
Options:
A. quarks
B. pion
C. dark matter
D. molecules | A |
Question: What needs to happen to temperature to cause pressure to increase dramatically?
Options:
A. large increase
B. boiling point
C. small increase
D. no increase | A |
Question: Australopithecus afarensis is an ancestor of what primate?
Options:
A. lemurs
B. gorillas
C. humans
D. orangutans | C |
Question: Organs that produce eggs and secrete estrogen are part of what system?
Options:
A. circulatory system
B. female reproductive system
C. digestive system
D. male reproductive system | B |
Question: What are the most common types of compounds found on earth?
Options:
A. sodium - based compounds
B. ionic compounds
C. carbon-based compounds
D. hydrogen-based compounds | C |
Question: Which planet is closest to the sun?
Options:
A. Earth
B. mercury
C. Jupiter
D. Venus | B |
Question: What do you call it when adult fish of the same species come together in a group and release gametes into the water at the same time?
Options:
A. schoaling
B. poaching
C. migration
D. spawning | D |
Question: What happens to the volume of a gas as the kelvin temperature increases?
Options:
A. it drops
B. it decreases
C. it continues
D. it increases | D |
Question: If only one atom of a specific type is present what is not used?
Options:
A. subscript
B. consonant
C. covalent bond
D. subset | A |
Question: What are the earliest reptile genus named?
Options:
A. scolecophis
B. collorhabdium
C. brachyophis
D. hylonomus | D |
Question: What produces all the cells of the root and the root cap?
Options:
A. interior meristem
B. apical meristem
C. algal meristem
D. somatic meristem | B |
Question: What is the master gland of the endocrine system?
Options:
A. Hypothyroid
B. Thyroid
C. Thymus
D. pituitary gland | D |
Question: The earth’s biomes are categorized into two major groups named what?
Options:
A. icelandic and aquatic
B. aquatic and galactic
C. terrestrial and galactic
D. terrestrial and aquatic | D |
Question: What does the thymus gland produce?
Options:
A. b cells
B. t cells
C. hormones
D. insulin | B |
Question: During which phase does dna replication occur in the cell cycle?
Options:
A. mitosis
B. gap
C. synthesis
D. resting | C |
Question: What kind of interactions do polar substances experience?
Options:
A. monopole-dipole interactions
B. monopole-monopole interactions
C. axial interactions
D. dipole-dipole interactions | D |
Question: Which process is glycolysis in during cellular respiration?
Options:
A. enzymatic
B. aerobic
C. anaerobic
D. hydrolysis | C |
Question: Saturated hydrocarbons are given the general name of what?
Options:
A. carbohydrates
B. lipids
C. enzymes
D. alkanes | D |
Question: In the cellular process of transcription, dna code is converted into what other kind of code?
Options:
A. sna
B. rna
C. dpa
D. fna | B |
Question: If a gyroscope is not spinning, it acquires angular momentum in the direction of what?
Options:
A. velocity
B. torque
C. acceleration
D. gravity | B |
Question: Which leukocytes are first to respond to bacterial infections?
Options:
A. chemocytes
B. neutrophils
C. erythrocytes
D. microcytes | B |
Question: What thin whip-like structures help prokaryotes move toward food or away from toxins?
Options:
A. antennae
B. sporangia
C. cilia
D. flagella | D |
Question: What common process is used in the production of bread, cheese and alcoholic beverages?
Options:
A. fermentation
B. condensation
C. cloning
D. oxidation | A |
Question: Comprising 10 percent of the mass of the brain, what structure has varied functions that all point to a role in the motor system?
Options:
A. superior peduncle
B. medulla oblongata
C. cerebrum
D. cerebellum | D |
Question: What is a segment of dna that carries a code for making a specific polypeptide chain called?
Options:
A. a protein
B. a gene
C. nucleotide
D. amino acid | B |
Question: Introduction of antigens into the body through immunization can confer what benefit?
Options:
A. active respiration
B. growth rate
C. active immunity
D. sensitive immunity | C |
Question: What part of the brain is largest in intelligent mammals?
Options:
A. thallus
B. cortex
C. manubrium
D. cerebrum | D |
Question: What is the cause of most ocean waves?
Options:
A. Magnetic pull
B. winds
C. tides
D. Gravity | B |
Question: What is the lowest layer of the atmosphere called?
Options:
A. lithosphere
B. mesosphere
C. troposphere
D. asthenosphere | C |
Question: What is the biggest group of animals on the planet?
Options:
A. herbivores
B. arthropods
C. mammles
D. carnivores | B |
Question: The presence of solute particles blocks some of the ability for liquid particles to do what?
Options:
A. evaporate
B. dissolve
C. fuse
D. melt | A |
Question: What are color and hardness physical properties of?
Options:
A. ions
B. matter
C. elements
D. cells | B |
Question: What are steroid hormones made of?
Options:
A. water
B. amino acid
C. organisms
D. lipids | D |
Question: How many processes contribute to the emergence of viral diseases?
Options:
A. two
B. one
C. four
D. three | D |
Question: What type of scale is the richter scale?
Options:
A. logarithmic
B. algorithmic
C. asymmetric
D. dimensional | A |
Question: Where is pedocal soil commonly found?
Options:
A. forests
B. grasslands
C. deserts
D. slopes | B |
Question: What are the key cells in the immune response?
Options:
A. keratinocytes
B. leukocytes
C. lymphocytes
D. erythrocytes | C |
Question: Where are most chloroplasts found in plants?
Options:
A. flowers
B. leaves
C. roots
D. stems | B |
Question: What type of x-linked trait is color blindness?
Options:
A. dominant
B. recessive
C. conscientiousness trait
D. predominant | B |
Question: What do you call a condensation reaction in which an ester is formed from an alcohol and a carboxylic acid?
Options:
A. decarboxylation
B. transesterification
C. esterisation
D. esterification | D |
Question: These types of cella support young, growing parts of a plant?
Options:
A. epidermal cells
B. angular cells
C. collenchyma cells
D. pinworm cells | C |
Question: What can be used to convert the energy provided by the sun to usable electrical energy?
Options:
A. Wind Mills
B. solar cells
C. Pannels
D. Power Plants | B |
Question: Most plant cells have a large central what?
Options:
A. membranes
B. loci
C. vacuole
D. nuclei | C |
Question: When you heat a pot of water on a stove top, energy moves from the pot to its metal handle by what process?
Options:
A. thermal radiation
B. conduction
C. convection
D. induction | B |
Question: Of all the mineral nutrients, what contributes the most to plant growth and crop yields?
Options:
A. nitrogen
B. oxygen
C. methane
D. silicon | A |
Question: What do you call a reaction that consumes energy as it is carried out?
Options:
A. exothermic
B. autotrophic
C. unstable
D. endothermic | D |
Question: What type of rain dissolves and damages stone buildings and statues?
Options:
A. morning rain
B. acid rain
C. plastic rain
D. stored rain | B |
Question: What organ packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products?
Options:
A. liver
B. heart
C. liver
D. brain | A |
Question: What is defined as a push or pull acting on an object?
Options:
A. effort
B. force
C. motion
D. work | B |
Question: How much time does the moon take to complete one revolution around the earth?
Options:
A. one month
B. one year
C. one day
D. one week | A |
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