To change the color mode to a Duotone, the document must first be changed to what?

How do you toggle the Rulers?

Which palette accesses the color libraries?

When setting text you have 4 (four) anti-aliasing settings. They are:

When you use the Magic Wand tool, what kind of selection will you get if you check the 'Contiguous' option?

Which pixel aspect ratio is not available in Photoshop?

Purpose does the area marked in blue in the given image serve?

Smooth and Corner are two kinds of anchor points in Photoshop

..... is available only if you have an alpha channel selected.

It is possible to avoid Adjustment Layers while working with the Healing Brush tool.

Which filter gives your image a feel of painting?