Description : It is a common observation that naturally occurring processes have a particular direction associated with them. For instance, heat flows from a hot body to a colder body. The property of a system ... this natural direction of events is called w) energy x) entropy y) enthalpy z) equilibrium
Last Answer : ANSWER: X -- ENTROPY
Description : This woman scientist was the oldest daughter of another very well-known woman scientist. She was the second woman in history to win a Nobel Prize in science, receiving the prize in 1935 for her work in synthesizing new radioactive elements. Who is this famous woman scientist?
Last Answer : ANSWER: IRENE JOLIET-CURIE
Description : What naturally occurring radioactive element is so common in homes that testing for its presence is often advisable?
Last Answer : ANSWER: RADON
Description : Cystitis is the infection of which of the following? w) liver x) urinary bladder y) pancreas z) lung
Last Answer : ANSWER: X -- URINARY BLADDER
Description : Nitrous oxide, commonly called laughing gas, has been a matter of concern to environmentalists recently because: w) it is thought to cause cancer at low concentrations. x) it produces photochemical smog. y) it is a greenhouse gas. z) none of the above
Last Answer : ANSWER: Y -- IT IS A GREENHOUSE GAS.
Description : The radioactive element most commonly detected in humans is: w) potassium-40 x) cobalt-60 y) iodine-131 z) plutonium-238
Last Answer : ANSWER: W -- POTASSIUM-40
Description : What radioactive element is routinely used in treating hyperthyroidism, and in reducing thyroid activity? w) Iron-59 x) Gold-198 y) Cobalt-60 z) Iodine-131
Last Answer : ANSWER: Z -- IODINE-131
Description : Q: Which is the hardest naturally occurring substance on the Earth? -General Knowledge
Last Answer : Diamond is the ans
Description : Which of the following statements is not true about diamonds? (a) It is the purest form of carbon (b) It is the hardest naturally occurring substance (c) It is a good conductor of ... diamonds can be prepared by subjecting a solution of pure carbon in iron to very high pressures and temperatures
Last Answer : Ans:(c)
Description : ________ is naturally occurring inorganic substance found deep under the surface of the earth. a) ore b)mineral c)metal d)non-metal
Last Answer : b)mineral
Description : A rock is (A)a naturally occurring, hard, solid substance (B) any hard, solid substance on earth (C)an aggregate of minerals (D)only produced by cooling of magma
Last Answer : an aggregate of minerals
Description : The radioactive Strontium-90 causes (1) Brain cancer (2) Skin cancer (3) Lung cancer (4) Bone cancer
Last Answer : (2) Skin cancer Explanation: Strontium-90 is a radioactive isotope of strontium produced by nuclear fission. Used mostly in weapons and nuclear power plants, poisoning usually occurs through accidental ... to various forms of skin cancer in cases where the radiation was absorbed through the skin.
Description : The radioactive Strontium-90 causes : (1) Brain cancer (2) Skin cancer (3) Lung cancer (4) Bone cancer
Last Answer : Skin cancer
Description : The radiation from naturally occuring radioactive substance as seen after deflection by a magnetic field in one direction are :
Last Answer : The radiation from naturally occuring radioactive substance as seen after deflection by a magnetic field in one ... D. either `alpha` or `beta`-rays
Description : The five elements present in most naturally occurring proteins are : (a) C, H, O, P, and S (b) N, C, H, O, and I (c) N, S, C, H, and O (d) C, H, O, S, and I
Last Answer : N, S, C, H, and O
Description : TCDD (2,3,6,7-tetrachlorodibenzo(p)dioxin) is a toxic synthetic chemical. The most consistent adverse effect observed in exposed humans is: w) liver cancer x) birth defects y) disfiguring skin eruption z) an exaggerated sense of well-being
Last Answer : ANSWER: Y -- DISFIGURING SKIN ERUPTION (CHLORACNE)
Description : Taxol is a drug currently being used to treat cancer, particularly resistant forms of breast cancer. A natural source of Taxol is: w) bark and leaves of the yew tree x) apricot pits y) periwinkle flowers z) ginkgo leaves
Last Answer : ANSWER: W -- BARK AND LEAVES OF THE YEW TREE
Description : The process by which a substance absorbs moisture upon exposure to the atmosphere is called: w) efflorescence x) deliquescence y) dehydrogenation z) desalination
Last Answer : ANSWER: X -- DELIQUESCENCE
Description : What substance was used as a moderator for the chain reaction in the first nuclear reactor? w) graphite x) boron y) water z) cadmium
Last Answer : ANSWER: W -- GRAPHITE
Description : Which of the following is the leading cause of death and diseases worldwide? A. water pollution B. radioactive pollution C. air pollution D. soil pollution
Last Answer : A. water pollution
Description : In the United States, coal is the energy source that produces the highest percentage of our electricity. Second is: w) hydropower x) oil y) nuclear energy z) solar energy
Last Answer : ANSWER: Y -- NUCLEAR ENERGY
Description : Who was the first scientist credited with pointing out that certain gases could cause a greenhouse effect? w) John Tyndall x) Charles Darwin y) Roger Tory Peterson z) Stephen Jay Gould
Last Answer : ANSWER: W -- JOHN TYNDALL
Description : In electronic circuits, what name is given to a frequency discriminating network designed to select or pass certain bands of frequencies with low attenuation and cause very high attenuation to other frequencies?
Last Answer : ANSWER: FILTER
Description : Wutomobile catalytic converters cause the carbon monoxide and hydrocarbons which result from incomplete combustion to be converted into what two substances?
Last Answer : ANSWER: CARBON DIOXIDE (CO2) AND WATER (H2O)
Description : Occasionally, a bad cold will cause a decrease in a persons hearing ability. What is the name of the tube that becomes blocked to cause this problem?
Last Answer : ANSWER: EUSTACHIAN TUBE (pron: yu-sta-shen)
Description : An important safety feature required at U.S. nuclear power plants that was not present at the Chernobyl Power Plant in the Soviet Union was the: w) reactor x) cooling water y) control rods z) containment building
Last Answer : ANSWER: Z -- CONTAINMENT BUILDING
Description : What substance in cigarette smoke causes lung cancer?
Last Answer : Nicotine
Description : Evaporation from water surfaces exposed to air is not dependent of the: w) velocity of the wind x) humidity y) temperature z) depth of the water
Last Answer : ANSWER: Z -- DEPTH OF THE WATER
Description : The U.S. EPA recently concluded that environmental tobacco smoke should be considered (quote) w) "a possible human teratogen" x) "a priority air pollutant" y) "a known human carcinogen" z) "a possible human carcinogen"
Last Answer : ANSWER: Y -- A KNOWN HUMAN CARCINOGEN
Description : Plants get their nitrogen from: w) rain x) the soil y) the air z) the bedrock
Last Answer : ANSWER: X -- THE SOIL
Description : What compound is a common component of air pollution, but is essential in the upper atmosphere to protect life on earth?
Last Answer : ANSWER: OZONE
Description : a naturally occurring force related to two bodies in motion is _______ force. -General Knowledge
Last Answer : A naturally occurring force related to two bodies in motion is frictional force.
Description : What is the mass in grams of 9.76 x 1012 atoms of naturally occurring sodium?
Last Answer : The mass is 1,62.10e-11.
Description : What naturally occurring inorganic crystalline solid is a?
Last Answer : a mineral
Description : In this case scientists have copied a type of naturally occurring genetic mutation called?
Last Answer : Feel Free to Answer
Description : What is the Naturally occurring short circular pieces of DNA?
Last Answer : Need answer
Description : All following are naturally occurring nucleotides except (A) Cyclic AMP (B) ATP (C) DNA (D) Inosine monophosphate
Last Answer : Answer : C
Description : Naturally occurring amino acids have (A) L-Configuration (B) D-Configuration (C) DL-Configuration (D) None of these
Last Answer : Answer : A
Description : Pentagastrin is a (A) Naturally occurring form of gastrin (B) Inactive metabolite of gastrin (C) Active metabolite of gastrin (D) Synthetic form of gastrin
Last Answer : Answer : D
Description : The heaviest naturally occurring element is: (1) Mercury (2) Poloni (3) Thorium (4) Uranium
Last Answer : (4) Uranium Explanation: The heaviest element in terms of heaviest per a given number of atoms is the element with the highest atomic weight. This is the element with the larg st number of ... man-made. The heaviest naturally-occurring element is uranium (atomic number 92, atomic weight 238.0289).
Description : Which naturally occurring element in the rice husk makes it termite resistant?
Last Answer : Silicon
Description : Naturally occurring aluminium silicate is?
Last Answer : Mica
Description : Naturally occurring compound of Beryl- lium?
Last Answer : Emerald
Description : Which of the following is not a naturally occurring nuclear fuel? (A) Uranium-238 (B) Thorium-233 (C) Plutonium-239 (D) None of these
Last Answer : (C) Plutonium-239
Description : The number of naturally occurring ele- ments?
Last Answer : 92
Description : In making beer, in the process of ____ barley grains are steeped in water while naturally occurring enzymes digest the starch to simpler carbohydrates. a. steeping b. mashing c. maltng d. worting
Last Answer : c. maltng
Description : When the Exxon Valdez oil spill occurred, technologists "fertilized" the oil-soaked water with _____ to modify the environment and stimulate he growth of naturally occurring microorganisms. a. nitrogen sources (e.g., urea) b. phosphorus compounds c. other mineral nutrients d. A-C above are correct
Last Answer : d. A-C above are correct
Description : Which of the following statements is not true about fatty acids? (a) Fatty acids are carboxylic acids with long hydrocarbon side chains. (b) The double bonds in unsaturated fatty acids are always ... contain even numbers of carbons and are unbranched. (d) Fatty acids can be saturated or unsaturated
Last Answer : The double bonds in unsaturated fatty acids are always conjugated
Description : The heaviest naturally occurring element is?
Last Answer : Uranium