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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.
| 401. |
When buried sediment is squeezed by weight of overlying layers of sediment, it forms |
| A. | sedimentary rocks |
| B. | non-sedimentary rocks |
| C. | metamorphic rocks |
| D. | overlapping rock layers |
| Answer» B. non-sedimentary rocks | |
| 402. |
The number of ways in which magma can form is |
| A. | two |
| B. | three |
| C. | four |
| D. | five |
| Answer» C. four | |
| 403. |
A rock made up of quartz will have a very similar composition to |
| A. | igneous rocks |
| B. | metamorphic rocks |
| C. | sedimentary rocks |
| D. | quartz |
| Answer» E. | |
| 404. |
At the depth greater than 16 km, the pressure increase can be up to |
| A. | 2,000 atm |
| B. | 4,000 atm |
| C. | 10,000 atm |
| D. | 20,000 atm |
| Answer» C. 10,000 atm | |
| 405. |
An example of index minerals could be |
| A. | calcite |
| B. | hematite |
| C. | quartz |
| D. | sillimanite |
| Answer» E. | |
| 406. |
The size of particle in fine-grained texture is |
| A. | less than 6mm |
| B. | more than 1mm |
| C. | less than 1mm |
| D. | less than 1µm |
| Answer» E. | |
| 407. |
When partially decomposed plant material is buried beneath the sediment under heat and pressure, it turns into |
| A. | coal |
| B. | natural gas |
| C. | oil |
| D. | metamorphs |
| Answer» B. natural gas | |
| 408. |
The process in which sediment moved by erosion is dropped and gets collected is known as |
| A. | collection |
| B. | deposition |
| C. | piling up |
| D. | clotting |
| Answer» C. piling up | |
| 409. |
When water moves over the sediment, it leaves minerals over it. These minerals bind the sediment into |
| A. | new layers |
| B. | panels |
| C. | sedimentary rocks |
| D. | metamorphic rocks |
| Answer» D. metamorphic rocks | |
| 410. |
These divisions are generally based on their way of |
| A. | erosion |
| B. | deposition |
| C. | formation |
| D. | variation |
| Answer» D. variation | |
| 411. |
Clastic sedimentary rock is classified on the basis of |
| A. | its size |
| B. | its shape |
| C. | size of its fragments |
| D. | shape of its fragments |
| Answer» D. shape of its fragments | |
| 412. |
The dark-colored igneous rocks are called |
| A. | serpentine |
| B. | felsic |
| C. | mafic |
| D. | shale |
| Answer» D. shale | |
| 413. |
A sedimentary rock made of clay minerals is known as |
| A. | Kainite |
| B. | Shale |
| C. | Sterlite |
| D. | Chlorite |
| Answer» C. Sterlite | |
| 414. |
In metamorphic rocks, the features that tell the history of these rocks are caused by |
| A. | deposition |
| B. | erosion |
| C. | deformation |
| D. | pressure |
| Answer» D. pressure | |
| 415. |
The unallignment of mineral grains is the reason for which the rock is called |
| A. | foliated metamorphic rocks |
| B. | nonfoilated metamorphic rocks |
| C. | unfoliated metamorphic rocks |
| D. | molded metamorphic rocks |
| Answer» C. unfoliated metamorphic rocks | |
| 416. |
An example of foliated metamorphic rock is |
| A. | Marble |
| B. | Biotite mica |
| C. | Quartzite |
| D. | Calcite |
| Answer» C. Quartzite | |
| 417. |
After change in minerals due to heat and pressure, the rock turns into |
| A. | intrusive igneous rock |
| B. | extrusive igneous rock |
| C. | metamorphic rock |
| D. | sedimentary rock |
| Answer» D. sedimentary rock | |
| 418. |
Dissolved minerals crystallize to form |
| A. | Clastic Sedimentary Rock |
| B. | Chemical Sedimentary Rock |
| C. | Organic Sedimentary Rock |
| D. | Inorganic Sedimentary Rock |
| Answer» C. Organic Sedimentary Rock | |
| 419. |
When rock undergoes metamorphism due to heat by nearby magma, this type of metamorphism is known as |
| A. | Regional metamorphism |
| B. | Critical metamorphism |
| C. | Contact metamorphism |
| D. | Parallel metamorphism |
| Answer» D. Parallel metamorphism | |
| 420. |
The dark-colored igneous rocks are rich in |
| A. | silicon |
| B. | calcium |
| C. | potassium |
| D. | sodium |
| Answer» C. potassium | |
| 421. |
Sedimentary rocks form |
| A. | under Earth's surface |
| B. | in Earth's core |
| C. | in Earth's mantle |
| D. | over Earth's surface |
| Answer» E. | |
| 422. |
The denser igneous rocks have |
| A. | light color |
| B. | smooth shape |
| C. | rough shape |
| D. | dark color |
| Answer» E. | |
| 423. |
When limestone undergoes metamorphism, it turns into |
| A. | calcite |
| B. | bauxite |
| C. | biotite mica |
| D. | marble |
| Answer» E. | |
| 424. |
The type of texture of an igneous rock depends on |
| A. | its material |
| B. | its size |
| C. | its roughness |
| D. | time taken for magma to cool down |
| Answer» E. | |
| 425. |
The process in which water, wind, ice and heat break down rock is known as |
| A. | casting |
| B. | weathering |
| C. | acclimatization |
| D. | descanting |
| Answer» C. acclimatization | |
| 426. |
If the temperature of a region is different from the temperature where the rock was formed, the rock will go under |
| A. | sediments |
| B. | metamorphism |
| C. | igneuosism |
| D. | extrusome |
| Answer» C. igneuosism | |
| 427. |
The texture of a metamorphic rock in which mineral grains are not arranged in planes or bands is known as |
| A. | foliated texture |
| B. | nonfoliated texture |
| C. | unfoliated texture |
| D. | molded texture |
| Answer» C. unfoliated texture | |
| 428. |
The classes of rocks are |
| A. | sedimentary and metamorphic |
| B. | igneous and sedimentary |
| C. | igneous and metamorphic |
| D. | metamorphic, sedimentary and igneous |
| Answer» E. | |
| 429. |
The number of textures a clastic sedimentary rock can have is |
| A. | two |
| B. | three |
| C. | five |
| D. | seven |
| Answer» D. seven | |
| 430. |
Rock made by fragments of rocks cemented together by a mineral such as calcite or quartz is known as |
| A. | Clastic Sedimentary Rock |
| B. | Chemical Sedimentary Rock |
| C. | Organic Sedimentary Rock |
| D. | Inorganic Sedimentary Rock |
| Answer» B. Chemical Sedimentary Rock | |
| 431. |
Sedimentary rock can have |
| A. | three types of textures |
| B. | two types of textures |
| C. | one type of texture only |
| D. | four types of textures |
| Answer» B. two types of textures | |
| 432. |
The rock and mineral fragments move from one place to another by |
| A. | erosion |
| B. | winds |
| C. | rain |
| D. | salivation |
| Answer» B. winds | |
| 433. |
Weathering is important because it breaks down rocks into |
| A. | powder |
| B. | small stones |
| C. | fragments |
| D. | layers |
| Answer» D. layers | |
| 434. |
Sheet like intrusions that cut across other intrusive units are known as |
| A. | Dikes |
| B. | Pills |
| C. | Plutons |
| D. | Sills |
| Answer» B. Pills | |
| 435. |
Regional metamorphism occurs over |
| A. | thousands of cubic kilometers |
| B. | thousands of cubic feet |
| C. | thousands of cubic centimeters |
| D. | thousands of cubic millimeters |
| Answer» B. thousands of cubic feet | |
| 436. |
Metamorphic rocks can change if |
| A. | environment changes |
| B. | weather changes |
| C. | it buries |
| D. | turns moistened |
| Answer» B. weather changes | |
| 437. |
Intrusive Igneous Rocks are named based on their |
| A. | size and color |
| B. | texture and shape |
| C. | color and shape |
| D. | size and shape |
| Answer» E. | |
| 438. |
During the day time the heating of sun produces |
| A. | valley breeze |
| B. | mountain breeze |
| C. | lake breeze |
| D. | shift breeze |
| Answer» B. mountain breeze | |
| 439. |
The primary pollutants responsible for air pollution includes |
| A. | sewage |
| B. | oil spill |
| C. | volcanic ash |
| D. | dump material |
| Answer» D. dump material | |
| 440. |
The sinking air which produces area of high pressure is called |
| A. | horse latitude |
| B. | polar easterlies |
| C. | westerlies |
| D. | doldrums |
| Answer» B. polar easterlies | |
| 441. |
In both hemisphere the movement of winds above 30 ° on either side are the |
| A. | westerlies |
| B. | trade winds |
| C. | polar easterlies |
| D. | Coriolis effect |
| Answer» C. polar easterlies | |
| 442. |
The area where trade winds of both hemisphere meet is called |
| A. | horse latitude |
| B. | polar easterlies |
| C. | westerlies |
| D. | doldrums |
| Answer» E. | |
| 443. |
If land is not restored later on, surface mining may affect the |
| A. | habitats |
| B. | atmosphere |
| C. | mantle of Earth |
| D. | core of Earth |
| Answer» B. atmosphere | |
| 444. |
Burning petroleum causes a major atmospherically problem known as |
| A. | fog |
| B. | mist |
| C. | smoke |
| D. | smog |
| Answer» E. | |
| 445. |
The resources provided by the Earth are known as |
| A. | Artificial Resources |
| B. | Natural Resources |
| C. | Renewable Resources |
| D. | Nonrenewable Resources |
| Answer» C. Renewable Resources | |
| 446. |
The energy all over the world that comes from fossil fuels is about |
| A. | 0.4 |
| B. | 0.5 |
| C. | 0.6 |
| D. | 0.7 |
| Answer» B. 0.5 | |
| 447. |
Most of the energy needs are fulfilled by |
| A. | uranium |
| B. | coal |
| C. | fossil fuels |
| D. | water |
| Answer» D. water | |
| 448. |
Huge cracks which are found in deep ocean basin are the |
| A. | mid-ocean ridge |
| B. | rift valley |
| C. | seamount |
| D. | ocean trench |
| Answer» E. | |
| 449. |
In 1978 scientist launched a satellite for taking images of oceans called |
| A. | geosat |
| B. | sea sat |
| C. | goes -12 |
| D. | galaxy-14 |
| Answer» C. goes -12 | |
| 450. |
If you evaporate 1kg of ocean water the residue will contain solids equal to |
| A. | 24g |
| B. | 35g |
| C. | 56g |
| D. | 53g |
| Answer» C. 56g | |