MCQ
Assertion $(A) :$ Blue green algae are prokaryotes.
Reason $(R) :$ They do not have a true nucleus.
  • Assertion is correct, Reasoning is correct
  • B
    Assertion is correct, Reasoning is incorrect
  • C
    Assertion is incorrect Reasoning is correct
  • D
    Assertion & Reasoning are incorrect

Answer

Correct option: A.
Assertion is correct, Reasoning is correct
Assertion is correct, Reasoning is correct

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) : Stem cells can form different types of cells.
Reason (R) : They are found in plants and animals.
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: The explosion of fire cracker is a physical change.
Reason: A physical change is a reversible change.
Assertion (A): The distance between two celestial bodies is measured by the unit of light year.
Reason (R) : The distance travelled by the light in one year in vacuum is called one light year.
Assertion (A) : A current carrying wire should be charged.
Reason (R) : The current in a wire is due to flow of free electrons in a definite direction.
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
  • 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 : Corm is a condensed form of Bulb.
Reason : It has dry and fleshy scale leaves.
Assertion: A drop of petrol when touched with finger gives a chill feeling.
Reason: The above phenomenon is an endothermic one.
Assertion (A) : Reptiles are warm blooded animals.
Reason (R) : They have scales.
Assertion (A): Majority of cells cannot be seen directly with naked eye because.
Reason (R): Cells are microscopic.