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MCQOPTIONS
This section includes 1357 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 1251. |
The most common activity to conserve natural resources is by |
| A. | turning extra light off |
| B. | turning washing machine off |
| C. | turning AC generators on |
| D. | turning UPS (utility power supply) on |
| Answer» B. turning washing machine off | |
| 1252. |
Many of today's maps are made by |
| A. | remote sensing |
| B. | exploring |
| C. | discovering |
| D. | detailed image processing |
| Answer» B. exploring | |
| 1253. |
A way of collecting information about something without physically being there is known as |
| A. | Detailed Image Processing |
| B. | Remote Sensing |
| C. | Digital Image Stabilizing |
| D. | Remote Image Generation |
| Answer» C. Digital Image Stabilizing | |
| 1254. |
Magnetic declination is measured in |
| A. | degrees |
| B. | kilometers |
| C. | meters |
| D. | miles |
| Answer» B. kilometers | |
| 1255. |
A fixed point on Earth's surface from which direction and location can be described is known as |
| A. | Landmark |
| B. | Reference Point |
| C. | Perfect Point |
| D. | Fixed Point |
| Answer» C. Perfect Point | |
| 1256. |
A map projection that is made when the contents of the globe are moved onto a cylinder of paper is called |
| A. | Cylindrical projection |
| B. | Conic projection |
| C. | Azimuthal projection |
| D. | Equal-Area projection |
| Answer» B. Conic projection | |
| 1257. |
The volume of a liquid is often given in |
| A. | cubic meters |
| B. | cubic centimeters |
| C. | liters |
| D. | ounces |
| Answer» D. ounces | |
| 1258. |
The number of general types of oceanography is |
| A. | Two |
| B. | Three |
| C. | Four |
| D. | Five |
| Answer» D. Five | |
| 1259. |
Optical telescope was first built by |
| A. | Galileo |
| B. | Isaac Newton |
| C. | Albert Einstein |
| D. | John Dalton |
| Answer» B. Isaac Newton | |
| 1260. |
The density of water in kg/m3 is |
| A. | 1 |
| B. | 10 |
| C. | 100 |
| D. | 1000 |
| Answer» E. | |
| 1261. |
The study of origin, history and structure of earth is known as |
| A. | Geography |
| B. | Geology |
| C. | Tectology |
| D. | Astronomy |
| Answer» C. Tectology | |
| 1262. |
The main disadvantage of fusion is that it needs |
| A. | extreme pressure only |
| B. | extreme temperature only |
| C. | extreme pressure and temperature both |
| D. | extremely low pressure but extremely high temperature |
| Answer» C. extreme pressure and temperature both | |
| 1263. |
The types of coal are |
| A. | peat, lignite and bituminous |
| B. | lignite and peat |
| C. | lignite, bituminous and anthracite |
| D. | peat, lignite, bituminous and anthracite |
| Answer» E. | |
| 1264. |
Many trains in 1800s and early 1900s used |
| A. | kerosene |
| B. | gasoline |
| C. | diesel |
| D. | coal |
| Answer» E. | |
| 1265. |
Another major problem of nuclear power plant is |
| A. | accidental release of radiation |
| B. | land pollution |
| C. | air pollution |
| D. | water pollution |
| Answer» B. land pollution | |
| 1266. |
When the sea organisms die, their remains settle on the ocean floor and they become a part of |
| A. | gas |
| B. | oil |
| C. | ocean sediment |
| D. | magma |
| Answer» D. magma | |
| 1267. |
A substance made up of two or more elements chemically combined together is known as |
| A. | compound |
| B. | molecule |
| C. | mixture |
| D. | atom |
| Answer» B. molecule | |
| 1268. |
The greater the resistance of minerals of being getting scratched, |
| A. | the lower the rating |
| B. | the greater the rating |
| C. | more shiny the minerals would be |
| D. | more dull the minerals would be |
| Answer» C. more shiny the minerals would be | |
| 1269. |
The process by which mined land is returned to its original state or better is known as |
| A. | refurbishing |
| B. | reclamation |
| C. | revolution |
| D. | renovation |
| Answer» C. revolution | |
| 1270. |
The two groups of minerals are |
| A. | silicate minerals and carbonic minerals |
| B. | carbonic minerals and nonsilicate minerals |
| C. | carbonic and noncarbonic minerals |
| D. | silicate and nonsilicate minerals |
| Answer» E. | |
| 1271. |
Rocks and minerals are mined by |
| A. | two basic methods |
| B. | four basic methods |
| C. | size basic methods |
| D. | ten basic methods |
| Answer» B. four basic methods | |
| 1272. |
Each mineral has a |
| A. | specific covalent structure |
| B. | particular giant structure |
| C. | definite crystalline structure |
| D. | random ionic structure |
| Answer» D. random ionic structure | |
| 1273. |
On Mohs hardness scale, the rating of diamond is |
| A. | 1 |
| B. | 2 |
| C. | 5 |
| D. | 10 |
| Answer» E. | |
| 1274. |
An example of silicate minerals could be |
| A. | Quartz |
| B. | Oxides |
| C. | Halides |
| D. | Sulfates |
| Answer» B. Oxides | |
| 1275. |
Metals can be pounded and pressed into difference |
| A. | sizes |
| B. | colors |
| C. | shapes |
| D. | densities |
| Answer» D. densities | |
| 1276. |
One of the most important gemstone is |
| A. | gold |
| B. | silver |
| C. | diamond |
| D. | silicon |
| Answer» D. silicon | |
| 1277. |
Like other substances, minerals are made up of |
| A. | cement |
| B. | atoms |
| C. | concrete |
| D. | rocks |
| Answer» C. concrete | |
| 1278. |
Waste products of mining may enter the |
| A. | ground water |
| B. | streams and rivers |
| C. | habitats of organisms |
| D. | machinery |
| Answer» B. streams and rivers | |
| 1279. |
The density of water is also used as |
| A. | reference point |
| B. | measuring point |
| C. | reference measure |
| D. | companion point |
| Answer» B. measuring point | |
| 1280. |
The smallest part of an element that has all the characteristics of that particular element is known as |
| A. | compound |
| B. | mixture |
| C. | atom |
| D. | molecule |
| Answer» D. molecule | |
| 1281. |
Highly valuable and rare nonmetallic minerals are known as |
| A. | gemstones |
| B. | diamonds |
| C. | precious minerals |
| D. | precious grounds |
| Answer» B. diamonds | |
| 1282. |
One carat is equal to |
| A. | 2 grams |
| B. | 200 grams |
| C. | 2 milligrams |
| D. | 200 milligrams |
| Answer» E. | |
| 1283. |
We can reduce our need of minerals from land by |
| A. | reclamation |
| B. | renovation |
| C. | increasing efficiency |
| D. | recycling |
| Answer» E. | |
| 1284. |
The specific gravity of gold is 19, so its density would be |
| A. | 1.9 g/cm3 |
| B. | 19 g/cm3 |
| C. | 3.8 g/cm3 |
| D. | 38 g/cm3 |
| Answer» C. 3.8 g/cm3 | |
| 1285. |
The two groups of minerals are based on minerals' |
| A. | physical properties |
| B. | chemical properties |
| C. | chemical composition |
| D. | physical composition |
| Answer» D. physical composition | |
| 1286. |
Nonmetallic minerals are good insulators of |
| A. | heat only |
| B. | electricity only |
| C. | heat and electricity both |
| D. | light and sound |
| Answer» D. light and sound | |
| 1287. |
Coal near the surface is extracted by |
| A. | open pits |
| B. | underground mines |
| C. | surface coal mines |
| D. | explosive mines |
| Answer» D. explosive mines | |
| 1288. |
Silicate minerals make about |
| A. | 50% of Earth's crust |
| B. | 70% of Earth's crust |
| C. | 80% of Earth's crust |
| D. | 90% of Earth's crust |
| Answer» E. | |
| 1289. |
Surface coal mining is sometimes known as |
| A. | strip mining |
| B. | open cast mining |
| C. | parallel mining |
| D. | perpendicular mining |
| Answer» B. open cast mining | |
| 1290. |
The two methods used in mining are |
| A. | surface mining and underground mining |
| B. | surface mining and open cast mining |
| C. | underground mining and underwater mining |
| D. | surface mining and subsurface mining |
| Answer» E. | |
| 1291. |
The ratio of an object's mass to its volume is known as |
| A. | density |
| B. | volume |
| C. | mass |
| D. | pressure |
| Answer» B. volume | |
| 1292. |
To break up the ore, most common usage is |
| A. | heating |
| B. | explosion |
| C. | digging machinery |
| D. | drilling machinery |
| Answer» C. digging machinery | |
| 1293. |
In effect to the ecosystem, mining can destroy or disturb |
| A. | habitats |
| B. | populations |
| C. | communities |
| D. | organisms |
| Answer» B. populations | |
| 1294. |
The ratio of an object's density to the density of water is known as its |
| A. | specific ratio |
| B. | specific gravity |
| C. | specific density |
| D. | specific calibration |
| Answer» C. specific density | |
| 1295. |
One way of reducing harm to the environment is |
| A. | explosion |
| B. | blasting |
| C. | reclamation |
| D. | renovation |
| Answer» D. renovation | |
| 1296. |
Minerals that don't contain combination of silicon and oxygen are known as |
| A. | Silicate minerals |
| B. | Organic minerals |
| C. | Nonsilicate minerals |
| D. | Inorganic minerals |
| Answer» D. Inorganic minerals | |
| 1297. |
The method miners choose depends on |
| A. | quantity of minerals |
| B. | efficiency of minerals |
| C. | worth of minerals |
| D. | depth of minerals |
| Answer» E. | |
| 1298. |
Aligned grains of flat minerals are generally found in |
| A. | foliated metamorphic rocks |
| B. | nonfoilated metamorphic rocks |
| C. | unfoliated metamorphic rocks |
| D. | molded metamorphic rocks |
| Answer» B. nonfoilated metamorphic rocks | |
| 1299. |
Index minerals are used to estimate the depth, temperature and pressure at which rock undergoes |
| A. | sediments |
| B. | metamorphism |
| C. | igneousism |
| D. | extrusism |
| Answer» C. igneousism | |
| 1300. |
Rocks present deep inside the Earth change due to |
| A. | weathering and erosion |
| B. | heat and pressure |
| C. | erosion and heat |
| D. | heat and weight |
| Answer» C. erosion and heat | |