From above the given question , we know that
All girls are females. All females are humans.
From above it is clear that option ( D ) represents the best relationship between Humans, Females and Girls . As shown in given venn - diagram .

According to above given question , we can say that
Liquids are different from gases. Metals are different from liquids and gases.
From above it is clear that option ( A ) represents the best relationship between liquids, metals and gases .

As we know that ,
Some professors may be doctors and vice-versa.
Some professors may be men and vice-versa.
Some doctors may be men and vice-versa.
Some professors may be doctors and men as well.
From above it is clear that option ( D ) represents the best relationship between Professors, Doctors and Men . As shown in given venn - diagram .

On the basis of given question , we can say that
Some blue eyed may be females and vice-versa.
Some females may be doctors and vice-versa.
Some blue eyed may be doctors and vice-versa.
Some blue eyed females may be doctors.
From above it is clear that Blue eyes, females and doctors represents a relationship in given figure .
Therefore , Option ( D ) is correct answer .

As per the given above Venn diagram , We can say that
The number '3' space represents Indian teachers who are also advocates as this number is common to given condition.
Therefore , Option ( B ) is correct answer .

As we know that ,
Plant is a Tree.,
House is a building .
From above it is clear that Tree and Plant belong to same class , but House belongs to other class .
Hence , required answer is option ( C ) .

From above given diagram , we can see that
Employed, truthful and illiterate social workers would be indicated by the region common to all the four geometrical figures. Such region is marked '1'.
Hence , required answer is 1 .

As per the given above diagram , we get
The required region should be present only in circle. Such region is marked '10'.
From above it is clear that option ( C ) is required answer.

As we know that
Both Day and week belong to year .Year represents the biggest circle ,Day represents the smallest circle , and week represents the middle circle .As shown in figure .
From above it is clear that required answer is option ( A ) .

According to above given question , we know that
Men are different from women.
Hence , option ( C ) gives the best relationship between men, women and pregnant women .