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null | Question: The smallest part of an element that maintains the identity of that element is called what?
Options:
A. nucleus
B. neutron
C. lattice
D. atom
Answer: | D |
null | Question: Which fungi eaten by people all over the world?
Options:
A. legumes
B. algae
C. mushrooms
D. fruits
Answer: | C |
null | Question: Gravitational force on a large scale dominates interactions between large objects because it is always what?
Options:
A. suitable
B. ugly
C. attractive
D. vulnerable
Answer: | C |
null | Question: What structure does methane have?
Options:
A. three dimensional tetrahedra
B. three dimensional oxyhedra
C. two dimensional oxyhedra
D. two dimensional tetrahedra
Answer: | A |
null | Question: How many ways are there for a species to go extinct?
Options:
A. eight
B. four
C. two
D. Ten
Answer: | C |
null | Question: What would cause warm receptors to signal the hypothalamic thermostat?
Options:
A. hyperventilation
B. lower temperature
C. hypothermia
D. increased temperature
Answer: | D |
null | Question: What process done by bacteria makes them important producers in aquatic ecosystems?
Options:
A. infection
B. photosynthesis
C. reproduction
D. maturation
Answer: | B |
null | Question: What scientific word, which gives its name to a type of rock, means "to change form"?
Options:
A. metamorphism
B. evolution
C. evaporation
D. igneous
Answer: | A |
null | Question: What process typically occurs to metal exposed to outside elements?
Options:
A. extraction
B. explosion
C. shrinkage
D. corrosion
Answer: | D |
null | Question: A cold front is formed when a cold air mass runs into what?
Options:
A. dry air mass
B. warm air mass
C. hurricane
D. cool air mass
Answer: | B |
null | Question: In a wheel and axle, when force is applied either to the wheel or axle, what aspect of the force does not change?
Options:
A. shift
B. direction
C. pressure
D. speed
Answer: | B |
null | Question: How do some animals change their depth?
Options:
A. by changing their density
B. metamorphosis
C. mass migration
D. spontaneous mutations
Answer: | A |
null | Question: Alzheimers disease is associated with memory loss in what group of people?
Options:
A. prehistoric
B. immigrants
C. elderly
D. juveniles
Answer: | C |
null | Question: The ability of matter to burn is called?
Options:
A. flammability
B. unpredictability
C. solubility
D. eccentricity
Answer: | A |
null | Question: What is the total range of the energy from the sun called?
Options:
A. solar spectrum
B. electromagnetic spectrum
C. measured spectrum
D. molecular spectrum
Answer: | B |
null | Question: Found in many products, such as petri dishes, agar is made from mucilagnious material in this?
Options:
A. gelatin
B. seawater
C. fungi
D. seaweed
Answer: | D |
null | Question: What's it called when there's a sudden flow of mud?
Options:
A. dirt bath
B. sediment
C. mudflow
D. avalanche
Answer: | C |
null | Question: What process allows plants to convert light energy into sugars and energy for food?
Options:
A. respiration
B. digestion
C. glycolysis
D. photosynthesis
Answer: | D |
null | Question: Tissues of marine bony fishes gain what from their surroundings?
Options:
A. absorb salts
B. toxins
C. mercury
D. excess salts
Answer: | D |
null | Question: Diaphragm, lungs, and trachea take air deep into the body and provide oxygen gas to what?
Options:
A. brain
B. molecules
C. bloodstream
D. heart
Answer: | C |
null | Question: Regularly performing weight-bearing exercise can reduce the risk of what condition that affects bones?
Options:
A. psoriasis
B. osteoporosis
C. marrow deficiency
D. arthritis
Answer: | B |
null | Question: There are many types of asexual spores. conidiospores are unicellular or multicellular spores that are released directly from the tip or side of this?
Options:
A. goychay
B. idioma
C. hypha
D. ganglion
Answer: | C |
null | 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. amino acid
C. conduction protein
D. rod protein
Answer: | A |
null | Question: What type of matter transmits light without scattering it?
Options:
A. transparent
B. clean
C. bioluminescent
D. translucent
Answer: | A |
null | Question: Nitrogen & sulfur oxide combine with rain to form what?
Options:
A. steam rain
B. toxic rain
C. coarse rain
D. acid rain
Answer: | D |
null | Question: Which type of muscle fiber can sustain long contractions?
Options:
A. fast fibres
B. slow fibers
C. intense fibers
D. direct fibers
Answer: | B |
null | Question: Somatosensation refers to what of the five senses?
Options:
A. balance
B. thought
C. sight
D. touch
Answer: | D |
null | Question: What type of tissues are major barriers to the entry of pathogens into the body?
Options:
A. vascular
B. mucosal
C. nasal
D. skin
Answer: | B |
null | Question: What kind of lakes form when volcanic eruptions create holes that fill with water?
Options:
A. novel lakes
B. crater lakes
C. artificial lakes
D. formation lakes
Answer: | B |
null | Question: Many transition metals and their compounds are used as what?
Options:
A. sealants
B. insulators
C. bases
D. catalysts
Answer: | D |
null | Question: What keeps earth in orbit around the sun?
Options:
A. gravity
B. motion
C. energy
D. momentum
Answer: | A |
null | Question: The speed of a wave is a product of its wavelength and what else?
Options:
A. magnitude
B. frequency
C. density
D. voltage
Answer: | B |
null | Question: What part of the plant anchors it into the soil?
Options:
A. buds
B. leaves
C. roots
D. stems
Answer: | C |
null | Question: The highest point of a wave is called?
Options:
A. crest
B. frequency
C. surge
D. threshold
Answer: | A |
null | Question: Because they have free electrons, metals are able to conduct what?
Options:
A. sound
B. radiation
C. electricity
D. light
Answer: | C |
null | Question: When magma cools slowly, what texture does it have?
Options:
A. large squares
B. large gases
C. large crystals
D. small circles
Answer: | C |
null | Question: Glutathione is a low-molecular-weight compound found in living cells that is produced naturally by what?
Options:
A. liver
B. blood
C. brain
D. amino acids
Answer: | A |
null | Question: What is the process of removing wastes and excess water from the body?
Options:
A. depletion
B. excretion
C. diffusion
D. ingestion
Answer: | B |
null | Question: When the hydrogen is nearly used up, the star can fuse which element into heavier elements?
Options:
A. oxygen
B. carbon
C. xenon
D. helium
Answer: | D |
null | Question: What is the main source of energy for your body?
Options:
A. carbohydrates
B. proteins
C. fats
D. vitamins
Answer: | A |
null | Question: Active transport mechanisms require the use of the cell鈥檚 energy, usually in the form of what?
Options:
A. adenosine triphosphate (atp
B. ribonucleic acid (RNA)
C. protein
D. deoxyribonucleic acid (DNA)
Answer: | A |
null | Question: Where can neurohormones act within the body?
Options:
A. nerve endings
B. brain only
C. throughout
D. digestive process
Answer: | C |
null | Question: What takes place in the organelle known as the chloroplast, which distinguishes animal from plant cells?
Options:
A. reproduction
B. digestion
C. photosynthesis
D. perspiration
Answer: | C |
null | Question: How many weeks are in the life cycle of ladybugs
Options:
A. four to six
B. three to six
C. nine to six
D. two to four
Answer: | A |
null | Question: Similarity of crystal structures is used to categorize what non-living materials?
Options:
A. grains
B. corals
C. salts
D. minerals
Answer: | D |
null | Question: What does jupiter reflect a lot of due to its size?
Options:
A. carbon
B. molecules
C. moisture
D. sunlight
Answer: | D |
null | Question: What is the diffusion of water through a semipermeable membrane according to the concentration gradient of water across the membrane
Options:
A. Gravity
B. osmosis
C. mirrors
D. nutrients
Answer: | B |
null | Question: Polygenic traits are controlled by more than one of these?
Options:
A. phenotypes
B. genomes
C. chromosomes
D. genes
Answer: | D |
null | Question: A lipid is one of a highly diverse group of compounds made up mostly of what?
Options:
A. proteins
B. hydrocarbons
C. nucleic acid
D. amines
Answer: | B |
null | Question: What term is used to describe a bond formed by the overlap of orbitals in an end-to-end fashion, with the electron density concentrated between the nuclei of the bonding atoms?
Options:
A. lattice bond
B. sigma bond
C. beta bond
D. rna bond
Answer: | B |
null | Question: In what unit is heat measured in?
Options:
A. velocities
B. thermals
C. amperes
D. joules
Answer: | D |
null | Question: What is the use of technology to change the genetic makeup of living things for human purposes?
Options:
A. biological utility
B. biological engineering
C. genetic employing
D. genetic engineering
Answer: | D |
null | Question: Evidence for the presence of what on mars makes scientists think that life might have existed there in the past?
Options:
A. plasma
B. air
C. gas
D. water
Answer: | D |
null | Question: Light reactions also release oxygen gas as a what?
Options:
A. formal process
B. waste product
C. detritus product
D. strange process
Answer: | B |
null | Question: What do atoms become if they lose or gain electrons?
Options:
A. particulates
B. toxins
C. ions
D. particles
Answer: | C |
null | Question: In an electromagnetic wave, what do the crests and troughs represent?
Options:
A. ocean waves
B. particles fields
C. vibrating fields
D. oscillating fields
Answer: | D |
null | Question: Things that are hydrophobic repel or otherwise don't really mix with what?
Options:
A. magnets
B. heat
C. air
D. water
Answer: | D |
null | Question: What is the shortest phase of the sexual response cycle?
Options:
A. resolution phase
B. sexual stimulation
C. plateau phase
D. the orgasm
Answer: | D |
null | Question: What kind of oily substance is secreted from sebaceous glands?
Options:
A. sebum
B. progesterone
C. pus
D. Blood
Answer: | A |
null | Question: What broad animal group is thought to have evolved from theropod dinosaurs around 150 million years ago?
Options:
A. reptiles
B. insects
C. mammals
D. birds
Answer: | D |
null | Question: Prokaryotic cells lack what key structure and other membrane-bound organelles?
Options:
A. epidermis
B. proton
C. nucleus
D. cell wall
Answer: | C |
null | Question: What are the most dramatic, sudden, and dangerous types of mass wasting?
Options:
A. landslides
B. earthquakes
C. volcanoes
D. monsoons
Answer: | A |
null | Question: What is the term for the horizontal displacement of a projectile from its starting point?
Options:
A. produce
B. type
C. range
D. Distance
Answer: | C |
null | Question: What are the structural and functional units of the nervous system, which transmit nerve impulses to other cells?
Options:
A. ions
B. electrons
C. axions
D. neurons
Answer: | D |
null | Question: Which part of all mammals have the same basic bone structure?
Options:
A. necks
B. forelimbs
C. ankles
D. knees
Answer: | B |
null | Question: An electric current flows in a path called what?
Options:
A. electric circuit
B. fuse
C. electric course
D. electric ring
Answer: | A |
null | Question: Distance traveled divided by time yields what measurement, which is another word used to describe the speed of a chemical reaction?
Options:
A. rate
B. displacement
C. flow
D. acceleration
Answer: | A |
null | Question: What travels 9.5 trillion kilometers a year?
Options:
A. electricity
B. Sound
C. air
D. light
Answer: | D |
null | Question: Energy transfer between what kinds of levels is generally rather inefficient?
Options:
A. producer
B. secondary
C. apex
D. trophic
Answer: | D |
null | Question: What part of a plant, which is attached to its stem nodes, is the "main organ" of photosynthesis?
Options:
A. flowers
B. spores
C. roots
D. leaves
Answer: | D |
null | Question: How many alleles comes from each parent?
Options:
A. two
B. three
C. one
D. none
Answer: | C |
null | Question: Community interactions are important factors in what?
Options:
A. natural process
B. natural resources
C. natural change
D. natural selection
Answer: | D |
null | Question: Where do most ecosystems get their energy from?
Options:
A. sun
B. earth
C. heat
D. water
Answer: | A |
null | Question: What is the most common type of anemia?
Options:
A. calcium - def
B. iron-def
C. vitamin d - def
D. vitamin k - def
Answer: | B |
null | Question: Many hydrocarbons are cyclic and adopt specific three-dimensional structures that influence their physical and what properties?
Options:
A. liquid
B. radiation
C. electrical
D. chemical
Answer: | D |
null | Question: Materials made from non-living substances like pebbles and sand are called what?
Options:
A. organic
B. microscopic
C. fibrous
D. inorganic
Answer: | D |
null | Question: What connects the peripheral nervous system to the central nervous system?
Options:
A. wires
B. nerves
C. veins
D. fibers
Answer: | B |
null | Question: What is the first and longest phase of mitosis known as?
Options:
A. prophase
B. metaphase
C. telophase
D. anaphase
Answer: | A |
null | Question: What secures teeth in the mouth?
Options:
A. socket
B. muscles
C. plug
D. cartilage
Answer: | A |