Which of the following statement is not true considering a cubic lattice system?

• A. The crystallographic plane (uvw) and crystallographic direction [uvw] are not perpendicular to each other
• B. Direction [uvw] is parallel to plane (hkl), when uh+vk+wl=0
• C. Direction [uvw] is perpendicular to the plane (hkl) when u=h, v=k, w=l
• D. Two planes (hkl) and (abc) are perpendicular to each other if h=a, k=b, l=c