Read the given passage and fill blank (iv).

Directions: Complete this passage by selecting the most suitable option for the corresponding gap.

The white light that we see around us is a ______(i)_____mix of seven colours, that if divided and laid side by side for study make up a light spectrum. The seven colours are Violet, Indigo, Blue, Green, Yellow, Orange and Red. However, Blue, Green, and Red are the _____(ii)______ colours, because all the other colours may be got by mixing these. We think that a cherry is red because we see it_____(iii)_____ a red colour. However, if we applied a filter and ____(iv)_______the red part of the light from its source, then the cherry would appear black.