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Which effect decreases if grain lines on a wooden cylinder remain straight and vertical?

Answer and explanation

Correct answer: The cue of curved surface and volume

The governing concept is contour-following texture. On a cylinder, the grain should bend around the form, because curved lines help the viewer understand that the surface turns away from the light. If all lines remain straight and vertical, they ignore the cylindrical direction and make the form appear flatter or less volumetric. Therefore option A is correct. Local colour, cast shadow, and paper texture are not the main effects controlled by grain curvature.

Related tags

Pencil-ShadingWooden-CylinderGrain-LinesCurvaturePencil ShadingDrawing BasicsArt EducationClass 9 Mcq

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