MCQ
Assertion (A): Shadows are shorter at noon.
Reason (R): Sun is overhead at noon.
  • Both Assertion (A) and Reason (R) are true, and (R) is the correct explanation of (A).
  • B
    Both Assertion (A) and Reason (R) are true, but (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 Assertion (A) and Reason (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): Metals are good conductors of electricity.
Reason (R): Metals can be beaten into thin sheets.
Assertion (A): A filament in an incandescent lamp is made of tungsten.
Reason (R): Tungsten filaments glow because they resist current and produce heat.
Assertion (A): Alveoli increase the surface area of the lungs.
Reason (R): Greater surface area improves gas exchange.
Assertion (A): Respiration in plants occurs only in green parts.
Reason (R): Chloroplasts are found only in green parts.
Assertion (A): All parts of a plant, green or non-green, carry out respiration.
Reason (R): Water is broken down in the presence of oxygen during respiration.
Assertion (A): Some changes in the world are irreversible.
Reason (R): Changes like burning of paper or rotting of an apple can be reversed.
Assertion (A): Conduction is the transfer of heat through a material without the movement of its particles itself.
Reason (R): In conduction, heat moves from the colder part to the hotter part of the material.
The following questions consist of two statements Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below.
Assertion (A) Rusting is prevented by galvanisation.
Reason (R) Galvanisation is depositing a layer of zinc on iron.
The following questions consist of two statements-Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below.
Assertion (A) Sugar solution do not change the colour of blue or red litmus paper.
Reason (R) Neutral solution do not change the colour of either red or blue litmus paper.
Assertion (A): The flow of electric current in a circuit requires a complete path.
Reason (R): If the circuit is incomplete, current will not flow.