UGC NET Paper1 Previous Year Solved Papers MCQ - 20th June 2019 Evening Shift

For proposition "all milk is curd"; "some milk is curd" also is a true proposition. But 'No milk is curd' is definitely false.

Denotation is the basic ingredient of a term, a visual or a sign on which there is general agreement, e.g., everyone can see the facial features in a portrait.
The second layer contains the picture's implication, hint or connotation(s). Connotations are always multiple. As smiling face may connote friendliness, confidence and joy. A straight face may connote disinterestedness, disagreement or lack of happiness.

Colour codes/symbols/meanings stern from psychological effects, biological conditioning and cultural developments. Some colour associations are ingrained in us because they're visible all around us, like red of lire and warmth or green of nature and serenity. We're biologically wired to be shocked! alarmed by bright colours because bright coloured animals! plants are often dangerous/ poisonous; and to be drawn to red or yellow fruit as the colours indicate ripeness and sweetness.
Colours carry deep meanings with them in every culture. Various nations/tribes have stark differences in the symbolism of colours within their cultures. For instance, in some cultures, white represents innocence, but in others, it may symbolise death. The symbolism of colours often stems from religious, spiritual, social, or historical events in a particular culture.
Aesthetics or beauty and art thrives on colour communication as follows:
Seasons (Spring = Red; Summer = Yellow; Autumn = Black; Winter = White) white - days of celebration, consecrations, coronations and important events; red - meaning blood, would be used for the Passion of Christ and martyrdoms of the Apostles and other Saints; green - moments defined before Lent and after the Holy Trinity; gold brocade - replaced white, red or green; black - meant mourning, being black for funerals and mass of the deceased violet- penance; and so on ...

'Some trees are green'is equivalent to 'some green things are trees' or 'some green things are not non-trees' .
'Some trees are green' is also equivalent to 'many trees are green' or 'trees are usually green'.
Hence, all the given prepositions are equivalent.