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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

Question: Which fungi eaten by people all over the world? Options: A. legumes B. algae C. mushrooms D. fruits Answer:

C

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

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

Question: How many ways are there for a species to go extinct? Options: A. eight B. four C. two D. Ten Answer:

C

Question: What would cause warm receptors to signal the hypothalamic thermostat? Options: A. hyperventilation B. lower temperature C. hypothermia D. increased temperature Answer:

D

Question: What process done by bacteria makes them important producers in aquatic ecosystems? Options: A. infection B. photosynthesis C. reproduction D. maturation Answer:

B

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

Question: What process typically occurs to metal exposed to outside elements? Options: A. extraction B. explosion C. shrinkage D. corrosion Answer:

D

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

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

Question: How do some animals change their depth? Options: A. by changing their density B. metamorphosis C. mass migration D. spontaneous mutations Answer:

A

Question: Alzheimers disease is associated with memory loss in what group of people? Options: A. prehistoric B. immigrants C. elderly D. juveniles Answer:

C

Question: The ability of matter to burn is called? Options: A. flammability B. unpredictability C. solubility D. eccentricity Answer:

A

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

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

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

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

Question: Tissues of marine bony fishes gain what from their surroundings? Options: A. absorb salts B. toxins C. mercury D. excess salts Answer:

D

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

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

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

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

Question: What type of matter transmits light without scattering it? Options: A. transparent B. clean C. bioluminescent D. translucent Answer:

A

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

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

Question: Somatosensation refers to what of the five senses? Options: A. balance B. thought C. sight D. touch Answer:

D

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

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

Question: Many transition metals and their compounds are used as what? Options: A. sealants B. insulators C. bases D. catalysts Answer:

D

Question: What keeps earth in orbit around the sun? Options: A. gravity B. motion C. energy D. momentum Answer:

A

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

Question: What part of the plant anchors it into the soil? Options: A. buds B. leaves C. roots D. stems Answer:

C

Question: The highest point of a wave is called? Options: A. crest B. frequency C. surge D. threshold Answer:

A

Question: Because they have free electrons, metals are able to conduct what? Options: A. sound B. radiation C. electricity D. light Answer:

C

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

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

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

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

Question: What is the main source of energy for your body? Options: A. carbohydrates B. proteins C. fats D. vitamins Answer:

A

Question: Active transport mechanisms require the use of the cell’s energy, usually in the form of what? Options: A. adenosine triphosphate (atp B. ribonucleic acid (RNA) C. protein D. deoxyribonucleic acid (DNA) Answer:

A

Question: Where can neurohormones act within the body? Options: A. nerve endings B. brain only C. throughout D. digestive process Answer:

C

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

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

Question: Similarity of crystal structures is used to categorize what non-living materials? Options: A. grains B. corals C. salts D. minerals Answer:

D

Question: What does jupiter reflect a lot of due to its size? Options: A. carbon B. molecules C. moisture D. sunlight Answer:

D

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

Question: Polygenic traits are controlled by more than one of these? Options: A. phenotypes B. genomes C. chromosomes D. genes Answer:

D

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

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

Question: In what unit is heat measured in? Options: A. velocities B. thermals C. amperes D. joules Answer:

D

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

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

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

Question: What do atoms become if they lose or gain electrons? Options: A. particulates B. toxins C. ions D. particles Answer:

C

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

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

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

Question: What kind of oily substance is secreted from sebaceous glands? Options: A. sebum B. progesterone C. pus D. Blood Answer:

A

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

Question: Prokaryotic cells lack what key structure and other membrane-bound organelles? Options: A. epidermis B. proton C. nucleus D. cell wall Answer:

C

Question: What are the most dramatic, sudden, and dangerous types of mass wasting? Options: A. landslides B. earthquakes C. volcanoes D. monsoons Answer:

A

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

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

Question: Which part of all mammals have the same basic bone structure? Options: A. necks B. forelimbs C. ankles D. knees Answer:

B

Question: An electric current flows in a path called what? Options: A. electric circuit B. fuse C. electric course D. electric ring Answer:

A

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

Question: What travels 9.5 trillion kilometers a year? Options: A. electricity B. Sound C. air D. light Answer:

D

Question: Energy transfer between what kinds of levels is generally rather inefficient? Options: A. producer B. secondary C. apex D. trophic Answer:

D

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

Question: How many alleles comes from each parent? Options: A. two B. three C. one D. none Answer:

C

Question: Community interactions are important factors in what? Options: A. natural process B. natural resources C. natural change D. natural selection Answer:

D

Question: Where do most ecosystems get their energy from? Options: A. sun B. earth C. heat D. water Answer:

A

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

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

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

Question: What connects the peripheral nervous system to the central nervous system? Options: A. wires B. nerves C. veins D. fibers Answer:

B

Question: What is the first and longest phase of mitosis known as? Options: A. prophase B. metaphase C. telophase D. anaphase Answer:

A

Question: What secures teeth in the mouth? Options: A. socket B. muscles C. plug D. cartilage Answer:

A