Which of the following term(s) is/are associated with human colour perception?

In the frame below, parts of logos of a type of Indian organisations are shown. Which of the option(s) is/are part of logos of same type of organisations? [Figure: see page 8 of source PDF]

Which of the following cross-section(s) could be produced by cutting a cube with a plane?

Five statements are given below: Bulls move faster than Snails; Cats move slower than Bulls; Snails move faster than Dogs; Dogs move slower than Bulls; Cats move faster than Snails. If all of the above statements are TRUE, which of the following statement(s) is/are FALSE:

The front and top views of an object are identical, as shown in figure A. Which of the option(s) can be left side view of the object? [Figure: see page 9 of source PDF]

Which of the following form(s) can be placed on a flat floor in such a way that there are no overhanging elements, i.e. cantilevers? [Figure: see page 9 of source PDF]

The figures show four different schematics of a flexible thread. If the ends are pulled apart, which of the schematic(s) will form a knot? [Figure: see page 10 of source PDF]

Image below shows the parts of a tangram. Size of one of the parts has been changed in one or more of the option(s). Identify those option(s). [Figure: see page 10 of source PDF]

Which of the painting(s) is/are by Picasso? [Figure: see page 11 of source PDF]