Explore topic-wise MCQs in Grade6.

This section includes 1098 Mcqs, each offering curated multiple-choice questions to sharpen your Grade6 knowledge and support exam preparation. Choose a topic below to get started.

551.

The relation of organisms in which one gets benefit and other is harmed is known as

A. parasitism
B. mutualism
C. predation
D. none of them
Answer» B. mutualism
552.

Mosses and ferns are mostly found in damp and ________ environment

A. high light
B. darkness
C. low light
D. no light
Answer» D. no light
553.

Chemical formula contains the symbols of elements present in the

A. compound
B. mixture
C. solution
D. molecule
Answer» B. mixture
554.

The process that is easy to separate salt from sea water is known as

A. magnetism
B. evaporation
C. sublimation
D. distillation
Answer» C. sublimation
555.

A metal cheaper than copper and has a good conductivity of electricity, this metal is known as

A. Sulphur
B. gold
C. aluminum
D. steel
Answer» D. steel
556.

Liquefied form of oxygen is used as

A. ships
B. car fuel
C. generator
D. space craft fuel
Answer» E.
557.

The three fundamental particles of the atom are

A. Nucleus, Anti-quarks and Electrons
B. Proton, Neutron and Electron
C. Mesons, Quarks and Anti-neutrino
D. Positron, Neutrino and Gamma Rays
Answer» C. Mesons, Quarks and Anti-neutrino
558.

Substances which burn in air rapidly and catch fire easily are called

A. flammable
B. inflammable
C. both a and b
D. not flammable
Answer» D. not flammable
559.

In case of chocolate the heating lead to changes which are

A. reversible
B. irreversible
C. same
D. constant
Answer» B. irreversible
560.

When a candle is lit solid wax melts into

A. liquid
B. vapor
C. gas
D. molten
Answer» B. vapor
561.

On heating sugar gives off

A. carbon(black solid0
B. water vapors
C. both a and b
D. carbon dioxide
Answer» D. carbon dioxide
562.

When a fruit salt is mixed with water we observe

A. bubbles of gas
B. no visible change
C. salty taste
D. blue color
Answer» B. no visible change
563.

Adaptation is important for organisms because

A. it makes them look legendary
B. So people think they're cool
C. So they can survive
D. all of them
Answer» D. all of them
564.

A consumer that feeds on other animals are known to be

A. decomposer
B. herbivores
C. producer
D. carnivores
Answer» E.
565.

Due to high temperature, the solubility of oxygen in water decreases and so the availability of

A. oxygen
B. nitrogen
C. nitrous oxide
D. carbon dioxide
Answer» B. nitrogen
566.

Animals that can change their body temperatures according to the environmental temperature are known to be

A. cold-blooded
B. warm-blooded
C. herbivores
D. carnivores
Answer» C. herbivores
567.

A process that requires water and carbon dioxide as raw materials is known as

A. photosynthesis
B. chloroplast
C. germination
D. ecosystem
Answer» B. chloroplast
568.

A quantity which can be measured and used in a mathematical equations of technology and science is called

A. qualitative quantity
B. physical quantity
C. chemical quantity
D. complex quantity
Answer» C. chemical quantity
569.

Standard unit of electric current is

A. watt
B. volt
C. ampere
D. shock
Answer» D. shock
570.

In equation form speed is written as

A. time=distance/speed
B. distance=speed*time
C. speed=distance travelled/time taken
D. all of them
Answer» E.
571.

Km are used to measure

A. shorter distance
B. longer distances
C. toys
D. bottles
Answer» C. toys
572.

To measure shorter distances or lengths one can use

A. meter ruler
B. half meter ruler
C. both a and b
D. Vernier caliper
Answer» D. Vernier caliper
573.

While investigating electric current the change can takes place in

A. 1 variable
B. 2 variables
C. 3 variables
D. 4 variables
Answer» B. 2 variables
574.

When switch is turned on the gap between circuit is

A. opened
B. closed
C. released
D. blocked
Answer» C. released
575.

In a symbol of a battery the positive end is represented by

A. a long line
B. a short line
C. a curve
D. a plus sign
Answer» B. a short line
576.

To close and open an electric circuit electrical component use is called

A. switch
B. plug
C. socket
D. extension
Answer» B. plug
577.

An open circuit is defined as

A. discontinuous
B. broken path
C. current will not flow
D. all of them
Answer» E.
578.

The instruments which can be used to measure length includes

A. measuring tapes
B. meter ruler
C. Vernier caliper
D. all of them
Answer» E.
579.

The volume is measured by help of a curve made in measuring cylinder called

A. meniscus curve
B. round curve
C. slanting curve
D. volume curve
Answer» B. round curve
580.

The meaning of eighth thousandth of a gram in SI is eight

A. gram
B. milligrams
C. micrograms
D. monogram
Answer» C. micrograms
581.

The metric system is a system which is the standard of

A. measurement
B. living things
C. experimenting
D. analysis
Answer» B. living things
582.

In SI the unit of mass is

A. gram
B. kilogram
C. micrograms
D. monogram
Answer» C. micrograms
583.

A minute scale and a second scale is present in

A. a watch
B. alarm clock
C. hour glass
D. mechanical stop watch
Answer» E.
584.

The measure of a surface of extent is called as

A. area
B. diameter
C. length
D. cover
Answer» B. diameter
585.

A gravitational force which act on an object and measured in Newton is called

A. power
B. force
C. caliber
D. energy
Answer» C. caliber
586.

The error which is most common in measurements is due to wrong placement of eye while taking readings is called

A. parallax error
B. eye error
C. common error
D. free error
Answer» B. eye error
587.

Vernier caliper helps in measuring

A. external diameter
B. internal diameter
C. thickness and depth of narrow tubes
D. all of them
Answer» E.
588.

One cubic meter is the total volume of a cube which is occupying length of

A. 0.1 mm
B. 1mm
C. 1m
D. 10m
Answer» D. 10m
589.

Weight and mass are used in our daily life as interchangeable hence they are

A. same
B. different
C. equal
D. no change
Answer» C. equal
590.

Road signs like 50 km/h are warning to drive in given

A. area
B. speed limit
C. direction
D. distance
Answer» C. direction
591.

The volume of liquids can be measured by using different instruments which includes

A. cylinders
B. volumetric flasks
C. burettes or pipettes
D. all of them
Answer» E.
592.

Unit of length in SI system is

A. kilometer
B. meter
C. centimeter
D. kilogram
Answer» C. centimeter
593.

To perform fractional distillation of air, it must be liquefied and then purified to remove

A. dust
B. molecule
C. atom
D. rust
Answer» B. molecule
594.

In desert areas, the water vapor content is

A. different
B. higher
C. low
D. constant
Answer» D. constant
595.

The process of burning under the presence of oxygen is known as

A. combustion
B. reaction
C. respiration
D. production
Answer» B. reaction
596.

Greenhouse gases and other harmful gases are bringing huge damage to the atmosphere like

A. acid rain
B. global warming
C. ozone hole
D. all of them
Answer» E.
597.

Breathing is a process that refers to the inhaling and exhaling of

A. gas
B. air
C. molecule
D. proton
Answer» C. molecule
598.

The soil which is mixture of clay, sand and humus is called

A. humus
B. loam
C. clay
D. compost
Answer» C. clay
599.

In the word photosynthesis 'photo' means

A. light
B. photograph
C. making
D. reproduction
Answer» B. photograph
600.

Therefore in photosynthesis the energy which is stored in plants and animals is being derived from

A. sun
B. glucose
C. oxygen
D. chloroplast
Answer» B. glucose