MCQ
Assertion (A) : Science is just about memorising facts and figures or doing experiments.
Reason (R) : It is about following a step-by-step process that helps us find answers to our questions.
  • A
    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.
  • (A) is false but (R) is true.

Answer

Correct option: D.
(A) is false but (R) is true.
D

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$(A):$ It was only around $12,000$ years ago that people started farming and became herders.
Reason$(R):$ This was the time when various grain bearing grasses including Wheat, Barley and rice grew naturally and people started to understand the pattern of how they grew. They also learnt to tame gentle animals like sheep etc.
DIRECTIONS: Read the passage(s) given below and answer the questions that follow Passage - If in a closed room there is some material that is burning, you may have felt suffocation. This is due to excess carbon dioxide that may be accumulating in the room. Plants and animals consume oxygen for respiration and produce carbon dioxide.
Assertion (A): The gases nitrogen and oxygen together make 90% (by volume) of air.
Reason (R): Air contains some dust particles.
Assertion (A) : Every magnet, has a north pole and a south pole.
Reason : It is possible to have a magnet having only one pole.
Assertion (A): Materials that are shiny are called lustrous materials.
Reason (R): Metals are usually dull.
Assertion (A): Substances having the property of attracting pieces of iron or some other magnetic substances are called magnets.
Reason (R): Magnetite is called natural magnet.
Assertion – When light falls on the mirror it get reflected. Reason – When light falls on transparent object reflection of light happed. 
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 – there are three types of objects which frequently allowed the passing of light. Reason – transparent objects do not allow pass through them. 
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?
Assertion (A) : When an object moves along a circular path, it is called circular motion.
Reason : The movement of moon around the earth is circular motion.