On the basis of above given question , we can say that
Goat is different from cow.
But both are milk animals.
Hen is different from both goat and cow.

Correct Option: C

On the basis of above given question , we can say that
Goat is different from cow.
But both are milk animals.
Hen is different from both goat and cow.
From above it is clear that option ( C ) represents the best relationship between milk, goat, cow and hen. As shown in given venn - diagram .

As we know that ,
Every thing is composed of molecules.
Sun is different from Moon.

Correct Option: C

As we know that ,
Every thing is composed of molecules.
Sun is different from Moon.
From above it is clear that option ( C ) represents the best relationship between Sun, Moon and Molecule. As shown in given venn - diagram .

As we know that ,
Man is different from vegetables and cow.

Correct Option: A

As we know that ,
Man is different from vegetables and cow.
It is clear that option ( A ) represents the best relationship between Man, Vegetables and Cow. As shown in given venn - diagram .

As per the given above question , we can say that
Some black eyed people may be brown haired and vice-versa.
Some black eyed people may be Indians and vice-versa.
Some brown haired people may be Indians and vice-versa.
Some black eyed and brown haired people may be Indians and vice-versa.

Correct Option: A

As per the given above question , we can say that
Some black eyed people may be brown haired and vice-versa.
Some black eyed people may be Indians and vice-versa.
Some brown haired people may be Indians and vice-versa.
Some black eyed and brown haired people may be Indians and vice-versa.
It is clear that option ( A ) represents the best relationship between Black eyed people, Brown haired people, Indian.

On the basis of above given question , we know that
Parents include Mother and Father but Mother is different from Father.

Correct Option: C

On the basis of above given question , we know that
Parents include Mother and Father but Mother is different from Father.
From above it is clear that option ( C ) represents the best relationship between Parents, Mothers and Fathers. As shown in given venn - diagram .