question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: What is the term for the difference in elevation between two contour lines?
Options:
A. height
B. contour interval
C. design interval
D. mapping interval | B |
Question: The same reaction regenerates pyruvate, which is transported to which cells?
Options:
A. mesophyll
B. symbionts
C. outermost
D. skin | A |
Question: What large carboxylic acid with three ionizable hydrogen atoms gives some fruits a sour or tart flavor?
Options:
A. hydrochloric acid
B. beryllium acid
C. citric acid
D. ammonia acid | C |
Question: How does sap get to the tops of tall trees?
Options:
A. through pressure from below
B. through suction power
C. through negative pressure
D. via Coriolis forces | C |
Question: Each megasporangium has a single functional one of what?
Options:
A. megaspore
B. antispore
C. cocklebur
D. spicule | A |
Question: Somatosensation refers to what of the five senses?
Options:
A. thought
B. sight
C. touch
D. balance | C |
Question: Respiratory distress syndrome results from insufficient production of what?
Options:
A. carbon dioxide
B. lung tissue
C. alveoli
D. pulmonary surfactant | D |
Question: Redox reactions can always be recognized by a change in what number of two of the atoms in the reaction?
Options:
A. oxygen
B. oxidation
C. fermentation
D. precipitation | B |
Question: In humans, the anus is attached to what kind of intestine?
Options:
A. large
B. small
C. internal
D. huge | A |
Question: What does interspecific competition between species often lead to?
Options:
A. immigration
B. extinction
C. symbiosis
D. evolution | B |
Question: Radioactive decay can give off energy and what else?
Options:
A. particles
B. ions
C. atoms
D. light | A |
Question: What is the condition in which distant objects are seen clearly, but nearby objects appear blurry?
Options:
A. gleam , or hyperopia
B. nearsightedness or hyperopia
C. synthesise , or hyperopia
D. farsightedness, or hyperopia | D |
Question: What novelties can also arise when structures that originally played one role gradually acquire a different one?
Options:
A. reproduction
B. mutation
C. evolutionary
D. interactions | C |
Question: What is a gap in rock layers called?
Options:
A. a mutation
B. an unconformity
C. a crevice
D. an anomaly | B |
Question: Bacteria are often used to make cheese from what?
Options:
A. milk
B. egg
C. meat
D. water | A |
Question: Why are atoms of metals good conductors of electricity?
Options:
A. give up electrons
B. break into smaller parts
C. conserve heat
D. hold on to electrons | A |
Question: What is the basic unit of an organism called?
Options:
A. electron
B. cell
C. singularity
D. particle | B |
Question: All the blood in the human body is filtered about 60 times a day by what?
Options:
A. liver
B. heart
C. lungs
D. kidneys | D |
Question: What happens to the energy levels of electrons as they are closer to the nucleus?
Options:
A. they divide
B. they are lower
C. they balance
D. they are higher | B |
Question: What is the term for the blockage of an artery by the buildup of fatty plaques?
Options:
A. cancers
B. fibrosis
C. clumps
D. atherosclerosis | D |
Question: In what type of reproduction do parents of different sexes mate to produce offspring?
Options:
A. subject reproduction
B. parallel reproduction
C. sexual reproduction
D. dual reproduction | C |
Question: Insulin and glucagon help keep blood glucose levels in the normal range because of what type of effects?
Options:
A. sympathetic
B. ABNORMALISTIC
C. opportunistic
D. antagonistic | D |
Question: What phenomenon has severe consequences on both natural and man-made objects, including killing trees and degrading marble statues?
Options:
A. natural rain
B. carbon rain
C. acid rain
D. oxygen rain | C |
Question: What alloy is made from copper and zinc?
Options:
A. stele
B. iron
C. brass
D. manganate | C |
Question: The accumulation of what cells begin the development of the vertebral column and thoracic cage?
Options:
A. hindbrain cells
B. False cells
C. mesenchyme cells
D. semiosis cells | C |
Question: What are terrestrial biomes determined by?
Options:
A. pressure and temperature
B. temperature and moisture
C. moisture and elevation
D. time and temperature | B |
Question: What protects reptiles from injury and loss of water?
Options:
A. tail
B. hairs
C. scales
D. pores | C |
Question: What are the different feeding positions in a food chain or web called?
Options:
A. neural levels
B. trophic levels
C. convoluted levels
D. Primary Level | B |
Question: What is the joint where the pelvic girdle and leg come together?
Options:
A. meniscus
B. femur joint
C. hip joint
D. hip socket | C |
Question: Snails, scallops, and squids are examples of invertebrates called what?
Options:
A. gastropods
B. mollusks
C. orthopods
D. clams | B |
Question: Synthesis, decomposition, replacement, and combustion are all types of what reaction?
Options:
A. toxic
B. natural
C. chemical
D. mineral | C |
Question: What are the devices placed in electric circuits where charge can build up, which store energy when charged and release it when they discharge?
Options:
A. resistors
B. generators
C. capacitors
D. antennas | C |
Question: What is the hinged structure attached to the cranium that allows an animal to grasp and tear its food?
Options:
A. throat
B. neck
C. jaw
D. tooth | C |
Question: The svedberg unit is a measure of the rate of what, which is tested in a centrifuge?
Options:
A. precipitation
B. temperature
C. secretion
D. sedimentation | D |
Question: Muscles and skin are examples of what, consisting of specialized cells?
Options:
A. tissues
B. ligaments
C. molecules
D. layers | A |
Question: When do cells acquire different identities in an ordered spatial arrangement?
Options:
A. before morphogenesis
B. larval stage
C. during mitosis
D. during morphogenesis | D |
Question: What structures sweep laterally, hugging the pelvic walls, then turn medially and pierce the bladder wall obliquely?
Options:
A. ureters
B. tubules
C. catheters
D. fallopian tube | A |
Question: What was the last supercontinent on earth?
Options:
A. laurasia
B. eurasia
C. pangaea
D. rodinia | C |
Question: When conditions deteriorate, hydras can reproduce sexually, forming resistant zygotes that remain dormant until when?
Options:
A. Spring
B. conditions improve
C. Temperature rise
D. Hydras choose | B |
Question: Because collisions are ______, energy can be transferred between molecules during them.
Options:
A. elastic
B. preservative
C. inelastic
D. conductive | A |
Question: What is the tendency of an object to remain at rest or remain in motion called?
Options:
A. magnetism
B. flow
C. impetus
D. inertia | D |
Question: The pituitary gland is called the “master gland” of what system?
Options:
A. hormonal
B. endocrine
C. digestive
D. nervous | B |
Question: What links together to form long polymeric chains?
Options:
A. lipids
B. peptides
C. genes
D. nucleotides | D |
Question: What type of electrons does carbon have?
Options:
A. shell
B. valence
C. ionic
D. gradient | B |
Question: What do doctors call farsightedness or the inability to see close objects clearly?
Options:
A. hypopia
B. myopia
C. dysarthria
D. hyperopia | D |
Question: What type of simple inheritance is too simplified to explain most human traits?
Options:
A. etiology
B. spontaneous mutation
C. mendelian
D. mitosis | C |
Question: The sun emits energy in the form of what?
Options:
A. electromagnetic radiation
B. particles radiation
C. mechanical radiation
D. microwave radiation | A |
Question: The number of electrons in the outer energy level determines what property of nonmetals?
Options:
A. reactivity
B. permeability
C. density
D. vibration | A |
Question: Acids are the opposites of what?
Options:
A. gas
B. solids
C. water
D. bases | D |
Question: What is the process in which gases are exchanged between the body and the outside air?
Options:
A. precipitation
B. metabolism
C. respiration
D. ingestion | C |
Question: Steam consists of what common and essential element in its gaseous phase?
Options:
A. air
B. water
C. plasma
D. carbon dioxide | B |
Question: The capsid is made from the what that are encoded by viral genes within their genome?
Options:
A. proteins
B. hormones
C. acids
D. lipids | A |
Question: Methane, ethane, and propane are three of the smallest what?
Options:
A. alkanes
B. microorganisms
C. atoms
D. organisms | A |
Question: The number of neutrons and electrons may vary or change in an atom. what happens to the number of protons?
Options:
A. increases
B. remains the same
C. depends
D. decreases | B |
Question: In biological augmentation, ecologists use what to add essential materials to ecosystems?
Options:
A. stem cells
B. fluids
C. organisms
D. sediments | C |
Question: What kind of interference is observed when the paths differ by a whole wavelength, and the waves arrive in phase?
Options:
A. constructive interference
B. non-interference
C. spontaneous interference
D. necessary interference | A |
Question: What are mudskipper fish able to do in short distances?
Options:
A. spit
B. tumble
C. walk
D. run | C |
Question: What is the major cause of disease in agricultural crops?
Options:
A. fungi
B. drought
C. bacteria
D. pollution | A |
Question: What type of reproduction occurs in almost all fungi?
Options:
A. sexual
B. budding
C. fragmentation
D. asexual | A |
Question: What protists absorb food molecules across their cell membranes?
Options:
A. fibrous
B. dielectric
C. solid
D. absorptive | D |
Question: How do dogs lose body heat?
Options:
A. sweating
B. panting
C. eating
D. barking | B |
Question: The electron transport chains are located on the inner membrane of which organelle?
Options:
A. lysosome
B. axon
C. mitochondrion
D. chloroplast | C |
Question: What happens to growth of plants and bacteria in warmer regions?
Options:
A. they grow slower
B. they grow faster
C. they mutate
D. they are stunted | B |
Question: Electromagnetic waves are generally caused by magnetic fields doing what (or moving in what way)?
Options:
A. rippling
B. revolving
C. vibrating
D. folding | C |
Question: Exposure to what can increase the amount of pigment in the skin and make it appear darker?
Options:
A. gamma rays
B. nuclear radiation
C. sunlight
D. ultraviolet radiation | D |
Question: Most of the trash in the ocean is made of what material?
Options:
A. styrofoam
B. plastic
C. wood
D. hydrocarbons | B |
Question: What is the name of the glands that produce milk in female mammals ?
Options:
A. sebaceous glands
B. fetal glands
C. mammary glands
D. recombinant glands | C |
Question: The conductive cells within the heart establish the heart rate and transmit it through the what?
Options:
A. meiosis
B. conduction
C. myocardium
D. neurons | C |
Question: What is the opening in the front of the eye?
Options:
A. the cornea
B. the macula
C. the iris
D. the pupil | D |
Question: Binary transition-metal compounds, such as the oxides and sulfides, are usually written with idealized what?
Options:
A. stoichiometries
B. fluctuations
C. noble gases
D. speciation | A |
Question: What disease refers to the dangerous buildup of fatty materials in blood vessels?
Options:
A. gout
B. fibrosis
C. atherosclerosis
D. arthritis | C |
Question: Which nerve directly stimulates the contraction of skeletal muscles in the pharynx and larynx to contribute to the swallowing and speech functions?
Options:
A. glands nerve
B. gland nerve
C. larynx nerve
D. vagus nerve | D |
Question: What do we call coiled structures made of dna and proteins?
Options:
A. chromosomes
B. Organisms
C. Molecules
D. nodes | A |
Question: Energy comes in discrete packages called what?
Options:
A. quasar
B. quanta
C. quota
D. quasi | B |
Question: Which type of cell can carry out more functions, eukaryotic cells or prokaryotic cells?
Options:
A. chromosomal cells
B. Prokaryotic Cells
C. both
D. eukaryotic cells | D |
Question: When vascular disease causes stiffening of arteries, compliance is reduced and resistance to blood flow is increased. the result is more turbulence, higher pressure within the vessel, and reduced blood flow. this increases the work of this?
Options:
A. brain
B. lung
C. muscles
D. heart | D |
Question: Animals that do not have internal control of their body temperature are called what?
Options:
A. photophores
B. athermal
C. ectotherms
D. cold-blooded | C |
Question: What do optical fibres look like?
Options:
A. flat paper
B. thin glass tubes
C. square boxes
D. big flashlights | B |
Question: Genetics is the branch of biology that focuses on heredity in what?
Options:
A. organisms
B. fruits
C. vacuums
D. schools | A |
Question: What type of protein is a protein molecule that is attached to, or associated with the membrane of a cell or an organelle?
Options:
A. membrane protein
B. rod protein
C. conduction protein
D. amino acid | A |
Question: What is defined as the ability to cause changes in matter?
Options:
A. energy
B. momentum
C. nuclear
D. evolution | A |
Question: What group of animals has permeable skin that makes them vulnerable to pollution?
Options:
A. fish
B. reptiles
C. amphibians
D. mammals | C |
Question: A period is a horizontal row of the what?
Options:
A. periodic table
B. phases table
C. cycles table
D. species table | A |
Question: What term refers to any method of removing carbon dioxide from the atmosphere and storing it in another form?
Options:
A. carbon transfer
B. carbon footprint
C. carbon metamorphosis
D. carbon sequestration | D |
Question: What system protects the body from worms, germs, and other agents of harm?
Options:
A. immune
B. hormones
C. lymph system
D. digestion | A |
Question: Most members of the animal kingdom have differentiated tissues of four main classes—nervous, muscular, connective, and this?
Options:
A. neural
B. digestive
C. crystalline
D. epithelial | D |
Question: Which ancient fish has just two living species and is at risk of extinction?
Options:
A. latimeria
B. coelacanths
C. squids
D. hominids | B |
Question: A decline in blood flow to what organs stimulates release of the enzyme renin, in turn stimulating the reabsorption of sodium and water?
Options:
A. kidneys
B. lungs
C. kidneys
D. thyroids | A |
Question: What common air pollutant is characterized by its sharp odor and often triggers asthma attacks?
Options:
A. nitrogen dioxide
B. Carbon Dioxide
C. plant dioxide
D. pigment dioxide | A |
Question: In addition to a nucleus what do eukaryotic cells have?
Options:
A. electrons
B. protons
C. organelles
D. nutrons | C |
Question: What term is used to describe a cross between two individuals that have different traits?
Options:
A. fraternization
B. hybridization
C. purebreed
D. assimilation | B |
Question: What also happens when people feel anxious and breathe too fast?
Options:
A. they become lightheaded
B. they become pettite
C. they become hostile
D. they become elated | A |
Question: Which two systems together provide support to the body and allow for movement?
Options:
A. skeletal and muscular
B. vascular and muscular
C. muscular and nervous
D. skeletal and digestive | A |
Question: The chromosomes that have a mixture of maternal and paternal sequence are called what?
Options:
A. recombinant
B. DNA
C. gene
D. antibodies | A |
Question: Different types of home heating systems all function by producing what type of energy?
Options:
A. natural
B. thermal
C. distinct
D. electron | B |
Question: Nutrients the body needs in relatively large amounts are called what?
Options:
A. micronutrients
B. minerals
C. vitamins
D. macronutrients | D |
Question: Which property changes when a glass breaks?
Options:
A. Chemical
B. its physical property
C. density
D. State | B |
Question: What do you call large, y-shaped proteins that recognize and bind to antigens?
Options:
A. membranes
B. antibodies
C. proteins
D. parasites | B |
Question: What is the process by which plants make their own food?
Options:
A. cellular respiration
B. metabolism
C. glycolysis
D. photosynthesis | D |
Question: In amniotes that lay eggs, the shell of the egg provides protection for the developing embryo while being permeable enough to allow for the exchange of carbon dioxide and this?
Options:
A. gas
B. Protein
C. oxygen
D. tissue | C |
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