Answers:

1. Which material is not used in smudge technique of drawing (pencil, paper, paint, crayons)

2. Tonal gradation strip in drawing can be created by (painting , staggering)

3. (still life, tonal variation) is a drawing of an arrangement of non-moving objects.

4. (gradation, smudge) is a change of tone from either dark to light or from light to dark.