Explore topic-wise MCQs in Science.

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.

351.

The constant energy which is clean and renewable found on beach is the

A. wave energy
B. tidal energy
C. surf energy
D. hydral energy
Answer» B. tidal energy
352.

The form of energy which is produced with the movement of tides is the

A. wave energy
B. tidal energy
C. surf energy
D. hydral energy
Answer» C. surf energy
353.

Watercrafts leave materials in oceans which includes

A. pesticides
B. fertilizer
C. herbicides
D. gasoline
Answer» E.
354.

Benthos group organisms live on

A. ocean floor
B. ocean surface
C. deep sea
D. ocean basin
Answer» B. ocean surface
355.

When the level of tides is lowered the gate is

A. open
B. partially open
C. close
D. partially close
Answer» D. partially close
356.

The zone with trenches is the

A. intertidal zone
B. sub littoral zone
C. abyssal zone
D. hadal zone
Answer» E.
357.

Octopuses are found in

A. bathal zone
B. intertidal zone
C. sub littoral zone
D. abyssal zone
Answer» B. intertidal zone
358.

The zone near surface of ocean at middle depths is called

A. benthic environment
B. pelagic environment
C. neritic zone
D. oceanic zone
Answer» C. neritic zone
359.

The largest ecological zone in ocean is the

A. bathal zone
B. intertidal zone
C. sub littoral zone
D. abyssal zone
Answer» E.
360.

2µm is equal to

A. 1mm
B. 2mm
C. 2x10-3mm
D. 2x10-5m
Answer» D. 2x10-5m
361.

People who study about tremors (earthquakes) are known as

A. Seismologists
B. Terminologists
C. Astrologists
D. Geologists
Answer» B. Terminologists
362.

Optical telescope was first built in

A. 1906
B. 1609
C. 1960
D. 1690
Answer» C. 1960
363.

If we divide 1 km into 1000 equal parts, each part will be equal to

A. 1m
B. 1dm
C. 1cm
D. 1mi
Answer» B. 1dm
364.

A cubic meter (1m3) is equal to

A. 1 liter
B. 10 liters
C. 100 liters
D. 1000 liters
Answer» E.
365.

The element which is found in the deep ocean and helps in making steel is the

A. cobalt
B. iron
C. manganese
D. copper
Answer» D. copper
366.

Exxon Valdez spilled over 260000 barrels along side of

A. Alaska
B. Argo Merchant
C. Kurdistan
D. Athenian
Answer» B. Argo Merchant
367.

The benthic zone which lies between low-tide and high-tide is called

A. bethel zone
B. intertidal zone
C. sub littoral zone
D. abyssal zone
Answer» C. sub littoral zone
368.

Engineers predict right place for digging of oil using instrument called

A. seismic
B. robotic
C. scientific
D. ordinary
Answer» B. robotic
369.

Benthos includes organisms like

A. star fish
B. sea lion
C. dolphins
D. all of them
Answer» B. sea lion
370.

Models can also be used to explain the past and present and to predict the

A. galaxies
B. nature of universe
C. nature of organisms
D. future
Answer» E.
371.

Chemical oceanography refers to

A. life in ocean
B. physical processes in ocean
C. biological processes in ocean
D. chemicals present in ocean and their behavior
Answer» E.
372.

For small objects such as an ice cube, the unit of mass used is

A. pounds
B. milligrams
C. kilograms
D. grams
Answer» E.
373.

A climate model is like a

A. complicated recipe
B. cotton ball
C. rhyme
D. scientific method
Answer» B. cotton ball
374.

The study of earth's atmosphere including climate and weather is known as

A. Geology
B. Astrology
C. Climatology
D. Meteorology
Answer» E.
375.

Black smokers deep under the ocean through

A. ash into the ocean
B. gases into the ocean
C. minerals into the ocean
D. dry ice into the ocean
Answer» D. dry ice into the ocean
376.

The most common carriers of meteorology is

A. climate changes
B. weather forecasting
C. climate post casting
D. broadcasting
Answer» C. climate post casting
377.

One task of the scientists is to detect how humans affect the

A. environment
B. nature
C. atmosphere
D. universe
Answer» B. nature
378.

The SI unit of density is

A. g/cm3
B. kg/m3
C. g/mL
D. kg/L
Answer» C. g/mL
379.

Scientists who study the earth's atmosphere have developed

A. physical climate models
B. conceptual climate models
C. mathematical climate models
D. aerial climate models
Answer» D. aerial climate models
380.

Scientists used mathematical models to predict the growth of world population, computer converted that data into a

A. sample
B. model
C. design
D. structure
Answer» C. design
381.

The area of a square measuring 5m each side would be

A. 25mm2
B. 5m2
C. 10m2
D. 25m2
Answer» E.
382.

For small areas such as a table surface, the unit of area used is

A. sq. mm
B. sq. cm
C. sq. mi
D. sq. ft
Answer» C. sq. mi
383.

The combined study of geology and chemistry is known as

A. Chemical Geology
B. Geochemistry
C. Chemo logy
D. Geochemical Science
Answer» C. Chemo logy
384.

The SI unit of mass is

A. kilograms (kg)
B. pounds (lbs.)
C. ounces (oz.)
D. drams (dr)
Answer» B. pounds (lbs.)
385.

People who are educated in geology, biology and physics are known as

A. Physical geographers
B. Biological geographers
C. Geological cartographers
D. Physical cartographers
Answer» B. Biological geographers
386.

Models are used to help us understand the

A. universe
B. virtual world
C. natural world
D. artificial world
Answer» D. artificial world
387.

1000 grams is equal to

A. 1kg
B. 1mg
C. 1µg
D. 1lb
Answer» B. 1mg
388.

Waves that have less frequency and more wavelength than visible light are

A. ultraviolet rays
B. gamma rays
C. x-rays
D. radio waves
Answer» E.
389.

One decimeter is equal to

A. 1x10-1m
B. 1x10-2m
C. 1x102m
D. 1x103m
Answer» B. 1x10-2m
390.

A person who studies the community of the organisms and their non-living environment is known as

A. environmental scientist
B. ecologist
C. astronomer
D. psychologist
Answer» C. astronomer
391.

Models you can touch or feel are known as

A. mathematical models
B. physical models
C. biological models
D. conceptual models
Answer» C. biological models
392.

Everything that has to do with solid earth is known as

A. Geography
B. Geology
C. Tectology
D. Astronomy
Answer» C. Tectology
393.

Systems of ideas are a third type of models i.e.

A. Mathematical Models
B. Physical Models
C. Biological Models
D. Conceptual Models
Answer» E.
394.

Nowadays, all scientists and people around the world use the

A. local system of unit
B. universal system of units
C. international system of units
D. continental system of units
Answer» D. continental system of units
395.

Geological oceanography refers to

A. history of water and salts in ocean
B. structure of ocean water and salts
C. history and structure of ocean beds
D. movement of plates under ocean beds
Answer» D. movement of plates under ocean beds
396.

1mg is equal to

A. 1x102g
B. 1x103g
C. 1x10-2g
D. 1x10-3g
Answer» E.
397.

The most familiar star in the universe is

A. Sirius
B. Sun
C. Rigel
D. Deneb
Answer» C. Rigel
398.

A person who studies both chemistry and geology is known as

A. Physician
B. Chemical Geologist
C. Geochemist
D. Biochemist
Answer» D. Biochemist
399.

Pre-existing land areas are often covered by

A. intrusive rocks
B. dikes
C. lava flow
D. eruption
Answer» D. eruption
400.

The types of texture of metamorphic rocks could be

A. two
B. three
C. four
D. five
Answer» B. three