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null | Question: What is the gas that gives rotten eggs and sewage their distinctive smell?
Options:
A. calcium sulfide
B. hydrogen peroxide
C. hydrogen sulfide
D. methane
Answer: | C |
null | Question: What bonds form when pairs of electrons are shared?
Options:
A. ionized bonds
B. dissonance bonds
C. covalent bonds
D. neutron bonds
Answer: | C |
null | Question: What is a key factor in the growth of populations?
Options:
A. immigration
B. assimilation
C. legislation
D. gentrification
Answer: | A |
null | Question: Which two major innovations allowed seed plants to reproduce in the absence of water?
Options:
A. root and pollen
B. seed and pollen
C. bee and pollen
D. salt and pollen
Answer: | B |
null | Question: Who built the first telescope?
Options:
A. galileo
B. copernicus
C. brahe
D. newton
Answer: | A |
null | Question: What is the most common form of dwarfism in humans?
Options:
A. alopecia
B. achondroplasia
C. malnutrition
D. anemia
Answer: | B |
null | Question: Both fats and oils are made up of long chains of carbon atoms that are bonded together. what are these chains called?
Options:
A. metabolic acids
B. amino acids
C. nucleic acids
D. fatty acids
Answer: | D |
null | Question: What kingdom of organisms is characterized by having sensory organs, movement, and internal digestion?
Options:
A. fungi
B. animals
C. plants
D. bacteria
Answer: | B |
null | Question: The distinctive appearance of what tissue is due to polysaccharides called chondroitin sulfates?
Options:
A. collagen
B. membrane
C. cartilage
D. bone
Answer: | C |
null | Question: What nerves attached to the brain are mainly responsible for motor and sensory functions?
Options:
A. somatic nerves
B. stimulation nerves
C. cranial nerves
D. autonomic nerves
Answer: | C |
null | Question: Aldehydes and ketones can work weak hydrogen bonds with water through what atom?
Options:
A. basalt oxygen atom
B. carbonyl oxygen atom
C. pyridinium oxygen atom
D. carbon carbon atom
Answer: | B |
null | Question: What occurs when there is little to no rain in a period of time?
Options:
A. hurricanes
B. floods
C. pollution
D. droughts
Answer: | D |
null | Question: Why do mangrove trees rise high above the water? which characteristic help them to do so?
Options:
A. heavy roots
B. stilt like roots
C. fat roots
D. no roots
Answer: | B |
null | Question: What is the name for the amount of water vapor in the air?
Options:
A. ambient
B. humidity
C. viscosity
D. heat
Answer: | B |
null | Question: Why can't fungi make their own food like plants do?
Options:
A. no organelles
B. no cells
C. no chloroplasts
D. no hydrogen
Answer: | C |
null | Question: What is the term for a certain form of matter that has the same physical properties throughout?
Options:
A. phase
B. balance
C. structure
D. wave
Answer: | A |
null | Question: What are the best-known extinct vertebrates?
Options:
A. snakes
B. trees
C. trilobites
D. dinosaurs
Answer: | D |
null | Question: The function of which organ is to filter blood and form urine?
Options:
A. kidneys
B. liver
C. gallbladder
D. lungs
Answer: | A |
null | Question: What term is defined as the ability to locate objects in the dark by bouncing sound waves off them.
Options:
A. echolocation
B. morphology
C. night vision
D. thermodynamics
Answer: | A |
null | Question: What occurs after gametes fuse and form a diploid zygote?
Options:
A. meiosis
B. transcription
C. reproduction
D. electrolysis
Answer: | A |
null | Question: Where are unsaturated fatty acids commonly found?
Options:
A. butter
B. fish
C. animal products
D. oil
Answer: | D |
null | Question: During meiosis, each parent synthesizes gametes that contain only half of their complement of what?
Options:
A. neutrons
B. atoms
C. receptors
D. chromosomes
Answer: | D |
null | Question: What do astronomers term the stretching of space that causes the distance between galaxies to increase?
Options:
A. draining universe
B. contracting universe
C. maintaining universe
D. expanding universe
Answer: | D |
null | Question: What is the time since the beginning of the ice ages?
Options:
A. Mesozoic epocH
B. quaternary period
C. Paleolithic era
D. Jurassic period
Answer: | B |
null | Question: What kind of waves consist of vibrating electric and magnetic fields?
Options:
A. gaseous waves
B. hydraulic waves
C. sound waves
D. electromagnetic waves
Answer: | D |
null | Question: What are the tiny packets of energy the sun gives off called?
Options:
A. photons
B. neutrons
C. ions
D. electrons
Answer: | A |
null | Question: The following definition relates to which term: the application of knowledge to real-world problems?
Options:
A. invention
B. industry
C. capitalism
D. technology
Answer: | D |
null | Question: Alchemy helped improve the study of metallurgy and the extraction of metals from what?
Options:
A. wood
B. air
C. ores
D. water
Answer: | C |
null | Question: What determines sex in animals?
Options:
A. cell structure
B. ribosomes
C. cell density
D. sex chromosomes
Answer: | D |
null | Question: Twin studies have been instrumental in demonstrating what type of component in autism?
Options:
A. bacterial
B. natural
C. internal
D. environmental
Answer: | D |
null | Question: The earliest known mammal fossils are from which period?
Options:
A. Tertiary
B. Mesosoic period
C. early jurassic
D. Cretaceous Period
Answer: | C |
null | Question: What are the taste receptors found as tiny bumps on the tongue called?
Options:
A. hard buds
B. taste buds
C. ear buds
D. fat buds
Answer: | B |
null | Question: What moves nitrogen back and forth between the atmosphere and organisms?
Options:
A. the calcium cycle
B. the leakage cycle
C. the nitrogen cycle
D. the Krebs cycle
Answer: | C |
null | Question: Energy resources can be put into two categories — renewable or?
Options:
A. reusable
B. precious
C. synthetic
D. nonrenewable
Answer: | D |
null | Question: What is the most common fossil fuel?
Options:
A. methane
B. diesel oil
C. uranium
D. coal
Answer: | D |
null | Question: The physical properties of gases are predictable using mathematical formulas known as what?
Options:
A. air laws
B. vapor laws
C. gas laws
D. state laws
Answer: | C |
null | Question: What are vesicles made of?
Options:
A. membranes
B. phospholipids
C. filaments
D. cells
Answer: | B |
null | Question: Desert plants have special stems and leaves to conserve what?
Options:
A. air
B. water
C. habitat
D. food
Answer: | B |
null | Question: In fact, when sitting in the sun, many ectothermic lizards have higher body temperatures than what?
Options:
A. carnivores
B. primates
C. mammals
D. insects
Answer: | C |
null | Question: What are the only organisms that can decompose wood?
Options:
A. protists
B. bacteria
C. fossil
D. fungi
Answer: | D |
null | Question: Body waves travel through the earth and arrive at seismograms before what?
Options:
A. velocity waves
B. surface waves
C. sound waves
D. function waves
Answer: | B |
null | Question: Which types of waves are used for cell phones and radar?
Options:
A. thermal waves
B. microwaves
C. sound waves
D. light waves
Answer: | B |
null | Question: In which human organ do the juveniles develop into sexually mature adults?
Options:
A. liver
B. muscles
C. tissues
D. intestines
Answer: | D |
null | Question: What is caused by the reaction of nonmetal oxides with water in the atmosphere?
Options:
A. acid rain
B. yellow rain
C. ozone rain
D. carbon rain
Answer: | A |
null | Question: What is the name for a parasite that causes disease?
Options:
A. microbes
B. enfluenza
C. fungi
D. pathogen
Answer: | D |
null | Question: Rupture can cause fragments of what to travel via the bloodstream and become lodged in other arteries?
Options:
A. white blood cells
B. red blood cells
C. enamel
D. plaque
Answer: | D |
null | Question: What do you call the ability to sense sound energy and perceive sound?
Options:
A. hearing
B. tuning
C. sensory deprivation
D. echolocation
Answer: | A |
null | Question: Controlling muscles and maintaining balance are just two of the roles of what system?
Options:
A. digestive system
B. nervous system
C. bacterial system
D. electrical system
Answer: | B |
null | Question: Chitin, also found in the exoskeleton of insects, gives structural strength to the cell walls of fungi. the cell wall protects the cell from what?
Options:
A. fermentation and predators
B. desiccation and predators
C. starvation and predators
D. entrainment and predators
Answer: | B |
null | Question: When electrons return to a lower energy level, they emit the excess energy in the form of what?
Options:
A. electricity
B. light
C. weight
D. energy
Answer: | B |
null | Question: What is the main difference between eukaryotic and prokaryotic cells?
Options:
A. eukaryotic cells have a cell wall
B. eukaryotic cells have a flagella
C. eukaryotic cells have a nucleus
D. prokaryotic cells have a nucleus
Answer: | C |
null | Question: Rust is an example of the reaction of oxygen with what?
Options:
A. fuel
B. coal
C. iron
D. carbon
Answer: | C |
null | Question: What is the measurement of something along it's greatest dimension called?
Options:
A. stretch
B. height
C. stretch
D. length
Answer: | D |
null | Question: What produces gametes with different alleles?
Options:
A. anthocyanins
B. heterozygotes
C. chromatids
D. prokaryotes
Answer: | B |
null | Question: What is the field of biology that focuses on the study of inheritance in humans?
Options:
A. relational biology
B. generational biology
C. computational biology
D. human genetics
Answer: | D |
null | Question: Positive charges move in the direction of the electric field and the same direction as what current?
Options:
A. conventional current
B. relativity current
C. direct current
D. alternating current
Answer: | A |
null | Question: Mass and volume are examples of what kind of properties?
Options:
A. exclusive properties
B. dynamic properties
C. varied properties
D. extensive properties
Answer: | D |
null | Question: The three classes of elements are metals, nonmetals, and what?
Options:
A. molecules
B. metalloids
C. atoms
D. ionic compounds
Answer: | B |
null | Question: What do we call use of electric current to encode information?
Options:
A. products
B. metals
C. electronics
D. ferious
Answer: | C |
null | Question: Which component of the electron transport chain does cyanide inhibit?
Options:
A. adenosine diphosphate
B. mitochondrial matrix
C. succinate dehydrogenase
D. cytochrome c oxidase
Answer: | D |
null | Question: Where do the eggs develop?
Options:
A. the follicles
B. the ovaries
C. the glands
D. the uterus
Answer: | B |
null | Question: What is the arrangement of a t-tubule with the membranes of sr on either side called?
Options:
A. acid
B. aracnid
C. orchid
D. triad
Answer: | D |
null | Question: Iron will do what when it is exposed to oxygen and water?
Options:
A. contract
B. become hot
C. rust
D. expand
Answer: | C |
null | Question: How do organophostbate pesticides work?
Options:
A. inhibiting cryptosporidium
B. inhibiting testosterone
C. inhibiting acetylcholinesterase
D. inhibiting reticulum
Answer: | C |
null | Question: In places where crops grow only during part of the year, the land may be bare for a few?
Options:
A. minutes
B. weeks
C. days
D. months
Answer: | D |
null | Question: What natural resource can be damaged by the accumulation of too much salt?
Options:
A. mineral
B. forests
C. sediment
D. soil
Answer: | D |
null | Question: Most reptiles lay what kind of eggs?
Options:
A. umbilical
B. hard-shelled
C. amniotic
D. roe
Answer: | C |
null | Question: What do farmers use greenhouses for?
Options:
A. to decrease the growing season
B. to extend the growing season
C. to predict the growing season
D. to allow the growing season
Answer: | B |
null | Question: Fructose and lactose are types of sugars broken down by the body to form what, which is the simplest sugar of all?
Options:
A. carbohydrate
B. glutamate
C. sucrose
D. glucose
Answer: | D |
null | Question: Nonvascular plants such as liverworts, hornworts, and mosses lack what three typical plant features?
Options:
A. flowers, leaves, bark
B. roots, leaves, chloroplasts
C. chloroplasts, stems, flowers
D. roots, stems, leaves
Answer: | D |
null | Question: Matrix is the term for the fluid-filled interior of what structure, where most of the cell’s atp is made?
Options:
A. nucleus
B. mitochondria
C. enzyme
D. Golgi apparatus
Answer: | B |
null | Question: What do many mollusks secrete for their protection?
Options:
A. mucus
B. calcareous shell
C. sedimentation shell
D. microscopic shell
Answer: | B |
null | Question: Animal starch, called glycogen, is stored in the liver and where else?
Options:
A. nerves
B. kidneys
C. muscles
D. hands
Answer: | C |
null | Question: What does the structure of a protein start with?
Options:
A. organism acids
B. rna acids
C. amino acids
D. dna acids
Answer: | C |
null | Question: Geysers erupt because what boiling hot substance is trapped beneath their surface?
Options:
A. gas
B. water
C. lava
D. oil
Answer: | B |
null | Question: Reproduction in prokaryotic cells is by what process of growth, enlargement and division?
Options:
A. binary fission
B. photosynthesis
C. budding
D. mitosis
Answer: | A |
null | Question: All atoms of the same element have the same number of what?
Options:
A. electrons
B. molecules
C. charge
D. protons
Answer: | D |
null | Question: Different forms, or allotropes, of carbon are diamond, graphite, and what?
Options:
A. carbonite
B. vesicles
C. fullerenes
D. ligands
Answer: | C |
null | Question: Virtually all of the effects of pregnancy can be attributed in some way to the influence of what?
Options:
A. proteins
B. enzymes
C. acids
D. hormones
Answer: | D |
null | Question: What is an example of a disease that affects the blood?
Options:
A. rickets
B. tuberculosis
C. anemia
D. scoliosis
Answer: | C |
null | Question: What happens when antibodies are transferred to a person who has never been exposed to the pathogen?
Options:
A. acquired immunity
B. active disease
C. allergic reaction
D. passive immunity
Answer: | D |
null | Question: What is the primary energy source for cells?
Options:
A. sucrose
B. protein
C. glycogen
D. glucose
Answer: | D |
null | Question: Activities that can reduce the effects of what condition include exercises to keep the blood and lymph flowing through affected areas?
Options:
A. inflammation
B. anemia
C. asthma
D. edema
Answer: | D |
null | Question: A homogeneous mixture with tiny particles in it is known as what?
Options:
A. structure
B. element
C. plasmid
D. solution
Answer: | D |
null | Question: What kind of tests may detect substances associated with particular disorders?
Options:
A. hormonal
B. genetic
C. biochemical
D. electrical
Answer: | C |
null | Question: What type of coal deposits are the most extensive ever formed?
Options:
A. jurassic
B. precambrian
C. carboniferous
D. mesozoic
Answer: | C |
null | Question: What is often a result of untreated atherosclerosis?
Options:
A. a heart attack or stroke
B. seizures
C. cancer
D. heart disease
Answer: | A |
null | Question: What is a common condition caused by stomach acid?
Options:
A. headache
B. heartburn
C. sunburn
D. arthritis
Answer: | B |
null | Question: In the human ear, sound waves cause the stapes to press against what?
Options:
A. yellow window
B. shaped window
C. Idea Window
D. oval window
Answer: | D |
null | Question: What type of bones serve as points of attachment for muscles and often protect internal organs?
Options:
A. sesamoid bones
B. irregular bones
C. flat bones
D. short bones
Answer: | C |
null | Question: Primary alcohols are oxidized to form what?
Options:
A. enzymes
B. oxides
C. aldehydes
D. alloys
Answer: | C |
null | Question: Many discrete characters are determined by a single gene locus with different alleles that produce distinct what?
Options:
A. subtypes
B. phototypes
C. clusters
D. phenotypes
Answer: | D |
null | Question: Which vitamin is made in the skin when it is exposed to sunlight?
Options:
A. Vitamin C
B. Vitamin B1
C. vitamin d
D. Riboflavin
Answer: | C |
null | Question: What type of bonds contain atoms that possess either a partial positive or a partial negative charge?
Options:
A. geologic bonds
B. ionic bonds
C. polar bonds
D. hot bonds
Answer: | C |
null | Question: What type of structure between the esophagus and the stomach normally opens only when a bolus arrives?
Options:
A. larynx
B. gland
C. intestine
D. sphincter
Answer: | D |
null | Question: What kind of membrane do prokaryotic cells have?
Options:
A. cell wall
B. plasma wall
C. cellulose
D. plasma membrane
Answer: | D |
null | Question: What contains the spore-forming asci?
Options:
A. mushroom cap
B. flagella
C. sporozoa
D. the ascocarps
Answer: | D |
null | Question: Which compound has positively and negatively charged ends?
Options:
A. real compound
B. tumultuous compound
C. polar compound
D. non-polar compound
Answer: | C |
null | Question: What are the main organs of the respiratory system?
Options:
A. kidneys
B. ovaries
C. lungs
D. intestines
Answer: | C |
null | Question: Where on earth do bacteria live?
Options:
A. water
B. skin
C. blood
D. all environments
Answer: | D |
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