Download App

Sorting Materials and Groups — Science STD 6 — Question

CBSE BoardEnglish MediumSTD 6ScienceSorting Materials and Groups1 Mark
MCQ
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R "$. You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: Wood is a good conductor of heat.
Reason R: Substances which do not allow heat to pass through them are called poor conductors of heat.
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
  • C
    $A$ is true but $R$ is false
  • ✓
    $A$ is false but $R$ is true
✓

Answer

Correct option: D.
$A$ is false but $R$ is true

Wood is a poor conductor of heat.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Assertion (A) & Reason (B) MCQ" from Sorting Materials and Groups→Sorting Materials and Groups — all question types→Science STD 6 question papers→CBSE Board STD 6 question papers→CBSE Board question paper generator→

Similar questions

Direction: The questions in this segment consists of two statements, one labelled as "Assertion $A$" and the other labelled as "Reason $R$". You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: At construction sites the pebbles and such other impurities are removed from sand by the process of sieving.
Reason R: In the process of sieving we make use of the difference in size of particles to separate them.
→
Assertion (A): Magnet that attracts materials like iron (Fe), nickel (Ni), cobalt (Co) are called magnetic materials.
Reason (R): Materials that are not attracted towards magnet are called non-magnetic materials.
→
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R"$. You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: Shopkeepers usually keep biscuits, sweets etc in transparent containers of glass or plastic.
Reason R: Buyers could see through the transparent materials.
→
Assertion (A): A branch of a tree moving ‘to and fro’, motion of a child on a swing and strings of a guitar are the example of periodic motion.
Reason (R): The motion in which an object repeats it’s motion after same time is known as periodic motion.
→
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion $A"$ and the other labelled as "Reason $R $". You are to examine these two statements carefully and decide if the Assertion $A$ and Reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion A: If we add some ammonium chloride (a solid) to a glass of water and stir it for some time, we find that solid disappears.
Reason R: Ammonium chloride is soluble in water.
→
Assertion – Never ever look directly at the sun that could be extremely harmful for eyes. Reason – Pin hole camera can be used to brightly little objects.
→
Assertion – evaporation can be used to separate a solid dissolved in a liquid. Reason- Evaporation is the process in which liquid gets converted into it’s vapour.
→
DIRECTIONS: The questions in this segment consists of two statements, one labelled as? Assertion $A?$ and the other labelled as? Reason $R?$. You are to examine these two statements carefully and decide if the assertion $A$ and reason $R$ are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.
Assertion (A): Vermicomposting is done with the help of blue worms.
Reason (R): We can recycle paper to get useful products.
→
Assertion (A): The unit of any physical quantity which is acceptable to all of the people as basic unit is called standard unit.
Reason (R): SI units is the set of units used to maintain uniformity all over the world.
→
Assertion (A) : Wheat plant leaves have fibrous roots.
Reason : The wheat plant has parallel venation in the leaves.
→