As per the given above question ,we can see that
Sea is a part of Earth . Sun is the star .

Correct Option: C

As per the given above question ,we can see that
Sea is a part of Earth . Sun is the star .
From above it is clear that Earth and Sea belong to same class but Sun belongs to different class .
Hence , required answer is option ( C ) .

As we know that
Delhi is separate state while Lucknow is part of Uttar Pradesh.

Correct Option: C

As we know that
Delhi is separate state while Lucknow is part of Uttar Pradesh.
From above it is clear that Lucknow and Uttar Pradesh belong to same class and Delhi belongs to other class.
Hence , required answer will be option ( C ) .

From above given question , we can say that
Bonus and Dividend are different from each other but both these are parts of profit.

Correct Option: B

From above given question , we can say that
Bonus and Dividend are different from each other but both these are parts of profit.
From above it is clear that option ( B ) represents the best relationship between Profit, Dividend and Bonus . As shown in given venn - diagram .

On the basis of above given questions , we find the best relationship between them .
Pigeons come under the class Birds.
But dog is different (mammal).

Correct Option: A

On the basis of above given questions , we find the best relationship between them .
Pigeons come under the class Birds.
But dog is different (mammal).
It is clear that option ( A ) represents the best relationship between Pigeons, Birds and Dogs . As shown in given venn - diagram .

As per the above given question , we can say that
Chair and Table are two types of Furniture and table and chair are different from each other.

Correct Option: D

As per the above given question , we can say that
Chair and Table are two types of Furniture and table and chair are different from each other.
Therefore , option ( D ) gives the best relationship between Tables, Chairs and Furniture.