Statement-$I$: On viewing the clear blue portion of the sky through a calcite crystal,the intensity of transmitted light varies as the crystal is rotated.
Statement-$II$: The light coming from the sky is polarized due to the scattering of sunlight by particles in the atmosphere. The scattering is largest for blue light.

• A
  Statement-$I$ is false,Statement-$II$ is true.
• B
  Statement-$I$ is true,Statement-$II$ is false.
• C
  Statement-$I$ is true,Statement-$II$ is true,Statement-$II$ is the correct explanation of Statement-$I$.
• D
  Statement-$I$ is true,Statement-$II$ is true; Statement-$II$ is not the correct explanation of Statement-$I$.