Flashcard Set Preview
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| 1 |
Under natural conditions, large quantities of organic matter decay after each year's plants...
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Soil maintain their fertility
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| 2 |
The thin, clear layer that forms the outer coat of the eyeball is called the ....
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Cornea
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| 3 |
The most likely reason why dinosaurs became extinct was that they .....?A. Were killed by erupting...
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C. Failed to adapt to a changing environment
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| 4 |
Which of the following is a chemical change?A.Magnetizing a rod of ironB. Burning one pound...
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B. Burning one pound of Coal
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| 5 |
In the process of manufacturing food, plants....A. create energyB. destroy energyC. Store energy...
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C. Store energy of the sun
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| 6 |
One-celled animals belong to the group of living things known as
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Protozoa
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| 7 |
Spiders can be distinguished from insects by the fact that spider have
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Four pairs of legs
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| 8 |
An important ore of uranium is called
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pitchblende
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| 9 |
Of the following, the lightest element known on earth is...?A.HydrogenB. OxygenC. HeliumD....
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A. Hydrogen
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| 10 |
Of the following gases in the air, the most plentiful is...?A. ArgonB. OxygenC. NitrogenD....
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C. Nitrogen
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| 11 |
When two forces act on an object in the same direction, the resultant force is equal to the
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Sum of the forces
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| 12 |
Of the following types of clouds, the ones that occur at the greatest altitude are called...
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Cirrus
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| 13 |
A new drug for treatment of tuberculosis was being tested in a hospital. Patients in Group...
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Experimental Control
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| 14 |
Of the following, the simple machine that provides a mechanical advantage of 1 is the ...?
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Single Fixed Pulley
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| 15 |
Radium is stored in lead containers because...?
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The lead absorbs the harmful radiation
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| 16 |
The type of joint that attaches the arm to the shoulder blade is known as a(n)....
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Ball and Socket
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| 17 |
Limes were eaten by British sailors to A. Justify their nickname, "limeys"B.Pucker their...
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D. Prevent Scurvy
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| 18 |
How many hours does it takes for the earth to rotate 45 degrees??
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3 hours
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| 19 |
Of the following glands, the one that regulates the metabolic rate is theA. AdrenalB. ThyroidC....
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B. Thyroid
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| 20 |
Of the following are amphibia EXCEPT theA. SalamanderB. FrogC. LizardD.Toad
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C. Lizard
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| 21 |
Of the Following planets, the one that has the shortest revolutionary period around the sun...
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C. Mercury
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| 22 |
The rate of doing work is known as
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Power
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| 23 |
A circuit breaker is used in man homes instead of a
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Fuse
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| 24 |
What is the name of the negative particle that circles the nucleus of the atom?
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Electron
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| 25 |
Which of the following rocks can be dissolved with a weak acid?A. SandstoneB. GneissC....
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D. Limestone
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| 26 |
Lack of Iodine is often related to which of the following diseases?A. BeriberiB. ScurvyC. RicketsD....
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D. Goiter
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| 27 |
An eclipse of the sun throws the shadow of the...A. Earth on the MoonB. Moon on the EarthC....
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B. Moon on the Earth
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| 28 |
Citrus fruit include...A. ApplesB. BananasC. OrangesD. Peaches
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C. Oranges
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| 29 |
What temperature is shown on a Fahrenheit thermometer when a centigrade thermometer reads 0...
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D. 32
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| 30 |
The major chemical constituent of a cell, by weight, is...?A. ProteinB. AshC. WaterD. Carbohydrates
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C. Water
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| 31 |
Which of the following is NOT a viral disease?A. MeaslesB. MumpsC. SmallpoxD. Syphilis
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D. Syphilis
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| 32 |
Alcoholic beverages contain...?A. Wood AlcoholB. Isopropyl AlcoholC. Glyceryl AlcoholD. Grain...
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D. Grain Alcohol
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| 33 |
The air around us is composed mostly of...?A. CarbonB. NitrogenC. HydrogenD. Oxygen
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B. Nitrogen
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| 34 |
The process that is responsible for the continuous removal of carbon dioxide from the atmosphere...
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D. Photosynthesis
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| 35 |
Ringworm is cause by a(n)....?A. AlgaeB. FungusC. BacteriumD. Protozoan
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B. Fungus
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| 36 |
Light passes through the crystalline lens in the eye and focuses on the ....?A. CorneaB. IrisC....
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D. Retina
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| 37 |
Saliva contains an enzyme that acts on...?A. CarbohydratesB. ProteinsC. MineralsD. Vitamins
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A. Carbohydrates
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| 38 |
The vitamin that helps coagulation of the blood is...?A. Vit CB. VIt EC. Vit DD. Vit...
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D. Vit K
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| 39 |
OF the following, the part of a ship that gives it stability by lowering the center of gravity...
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B. Keel
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| 40 |
To reduce soil acidity, a farmer should use...?A. LimeB. PhosphateC. ManureD. Peat Moss
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A Lime
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| 41 |
Which of the following minerals is restored to the soil by plants of the pea and bean family?A....
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C. Nitrates
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| 42 |
Bacteria of decay help...?A. Deplete soilB. Enrich soilC. Form OxygenD. Form Water
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B. Enrich Soil
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| 43 |
Of the following, the food that contains the largest amount of Vitamin C is...?A. CarrotsB....
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D. Tomatoes
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| 44 |
The cyclotron is used to ...?A. Measure radioactivityB. Measure the speed of the earth's rotationC....
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C. Split Atoms
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| 45 |
The earth completes one trip around the sun approximately every...?A. 24 hoursB. 52 WeeksC....
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B. 52 Weeks
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| 46 |
A person is more buoyant when swimming in saltwater than in freshwater because...?A. He keeps...
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D. Saltwater weighs more than an equal volume of freshwater.
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| 47 |
A volcanic eruption is caused by?A. SunspotsB. Pressure inside the earth?C. Nuclear FalloutD....
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B. Pressure inside the earth
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| 48 |
The scientific name of an organism consists of its...?A. Family and ClassB. Genus and SpeciesC....
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B. Genus and Species
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| 49 |
The energy in the storage battery of a car is transformed from ....?A. Chemical to electrical...
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A. Chemical to Electrical Energy
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| 50 |
A yardstick can usually be balanced by placing a finger beneath the point marked?A. 14 in.B....
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C. 18 in.
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| 51 |
When two forces act on an object in opposite directions, the resultant force is equal...
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A. Difference between the forces
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| 52 |
The moon is a ...?A. StartB. SatelliteC. PlanetoidD. Planet
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B. Satellite
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| 53 |
Which one of the following is not a a fruit?A. PotatoB. TomatoC. CucumberD. Green Pepper
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A. Potato
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| 54 |
The hammer, anvil, and stirrup bones lie in the?
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Ear
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| 55 |
Of the following, a condition NOT associated with heavy cigarette smoking is...A....
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B. Slowing of the heartbeat
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| 56 |
You are most likely to develop hypothermia when..A. It is very hot and you have nothing to...
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D. It is very cold and your clothes are wet
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| 57 |
If you are caught away from home during a thunderstorm, the safest place to be isA. in a carB....
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A. in a car
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| 58 |
During a thunderstorm, we see a lightning bolt before we hear the sound of the accompanying...
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D. Speed of light is much greater than the speed of sound.
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| 59 |
The Kelvin (K) unit is used to measure what?
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Temperature
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| 60 |
The numbers of degrees on the Fahrenheit thermometer between the freezing point and the boiling...
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C, 180 degreesWater boils at 212 degrees Fahrenheit and freezes at 32 degrees Fahrenheit
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| 61 |
An observer on Earth sees the phases of the moon because the
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Moon revolves around the sun
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| 62 |
Which of the following diseases in NOT caused by a pathogenic bacteria?A. RabiesB. TetanusC....
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A. RabiesRabies is caused by a virus
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| 63 |
A vector is used to represent force. The length of the vector indicates its....
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magnitude
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| 64 |
Of the following, the statement that best describes a "high" on a weather map is that air...A....
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B. Pressure is greater than normal
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| 65 |
The smallest particle of gold that still retains the characteristics of gold is a(n)...A....
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D. Atom
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| 66 |
Narcotics may be dangerous if used without supervision, but they are useful in medicine because...
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C. Relieve pain
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| 67 |
The primary reason why fungi are often found growing in abundance deep in the forest is that...
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D. They have a plentiful supply of organic matter
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| 68 |
The presence of coal deposits in Alaska shows that at one time AlaskaA. Had a tropical climateB....
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A. Had a tropical climate
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| 69 |
If a person has been injured in an accident and damage to the back of the neck is suspected,...
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D. Wait for professional help
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| 70 |
A 1,000-ton ship must displace a weight of water equal to ...A. 500 tonsB. 1,500 tonsC. 1,000...
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C. 1,000 Tons
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| 71 |
Vitamin C is also known as?
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Ascorbic Acid
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| 72 |
The temperature of the air falls at night because the earth loses heat by ...A. RadiationB....
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A. Radiation
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| 73 |
The normal height of a mercury barometer at sea level is
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30 inches
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| 74 |
Nitrogen-fixing bacteria are found in nodules on the roots of the A. BeetB. PotatoC. CarrotD....
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D. Clover
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| 75 |
The Vascular system of the body is concerned with?
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The circulation of the blood
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| 76 |
In which of the following types of rocks are most fossils found?A. IgneousB. MetamorphicC....
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C, Sedimentary
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| 77 |
If you wish to cut down on saturated fats and cholesterol in your diet, which of...
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C. Cheese
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