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