MCQ
Assertion (A) : Bar magnets are kept in pairs with their unlike poles on the same side.
Reason : Magnets become weak if they are not stored properly.
  • Both (A) and (R) are true and (R) is the correct explanation of (A).
  • B
    Both (A) and (R) are true and (R) is not the correct explanation of (A).
  • C
    (A) is true but (R) is false.
  • D
    (A) is false but (R) is true.

Answer

Correct option: A.
Both (A) and (R) are true and (R) is the correct explanation of (A).
A

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

Similar questions

Assertion (A) : Protein is needed for the growth of our body.
Reason : Proteins can be obtained from plants as well as animal foods.
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): Level of ground water below the surface of Earth at a given place is known as water table.
Reason (R): Excess use of groundwater in cities is resulting in lowering of water table.
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): Garbage contains plastics, metal containers and other wrapping materials.
Reason (R): Useful and non-useful components are separated out from the garbage at landfill site after spreading the garbage over landfill site.
Assertion (A): Climbers are plants that take support of neighbouring structures.
Reason (R): Climbers have weak stems.
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 mason $R$ 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): The fruits of the cotton plant are about the size of a lemon.
Reason (R): Cotton plants are generally grown at places having black soil and warm climate.
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, plastic and paper are poor conductor of heat.
Reason R: Poor conductors are also called insulators.
Four pieces of wooden sticks $P, Q, R$ and $S$ are placed along the length of $15\ cm $long scale as shown in figure. What is the average length of these sticks?
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): The sea water is saline.
Reason (R): The sea water contains many dissolved salts.
Assertion (A): The objects which are move along a straight line are known as rectilinear motion.
Reason (R): The objects which are moving in a circular form are called ‘circular motion’ of that objeot.
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 mason $R$ 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): Jute fibre is obtained from the flower of a jute plant.
Reason (R): Jute fibre is a natural fibre.