MCQ
Assertion (A): Majority of cells cannot be seen directly with naked eye because.
Reason (R): Cells are microscopic.
  • Both A and R are true
  • B
    Both A and R are false
  • 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
Both A and R are true

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: Burning of wood log to charcoal is a physical change.
Reason: The products formed of burning a piece of wood can be easily converted back to wood log.
Assertion: An example for conical root is carrot.
Reason: It is an adventitious root modification.
Assertion: Oxygen is a compound.
Reason: Oxygen cannot be broken down into anything simpler.
  • Both assertion and reason are true and reason is the correct explanation of assertion.
  • Both assertion and reason are true, but reason is not the correct explanation of assertion
  • Assertion is true but reason is false
  • Assertion is false but reason is true.
Assertion (A): Copper is used to make electric wires.
Reason (R): Copper has very low electrical resistance.
Assertion and Reason
A: It takes a very long time for nylon clothes to breakdown into microfibers but cotton clothes need only six months to decompose.
R: Nylon made out of petrochemicals is non-biodegradable and cotton cloth is biodegradable.
Assertion: Binomial name is the universal name and contains two names.
Reason: It was first introduced by Carolus Linnaeus
Assertion (A) : No-new substance is formed when water is heated to get steam.
Reason (R) :Conversion of water into steam is a physical change.
Assertion: Wool is the fibre derived from the fur of animals.
Reason: Animals like goat, Yak, Alpaca and rabbit yields wool.
Assertion: Pencillin or ciprofloxacin
Reason: These medicines cures cow pox.
Assertion (A) : Burning of a candle is considered a physical as well as chemical change.
Reason (R)Melting of wax is a physical change melted wax turns into vapours and then bums which is a chemical change.