What is the use of classification in scientific study?

Correct answer: Grouping objects according to similar properties

The direct answer is A: classification means grouping objects according to similar properties. Scientists first observe features such as structure, material, size, living characteristics or behaviour. They then compare those features and place objects with common features in the same group. This makes a large amount of information organised, easier to identify, compare and study. Classification can be changed if better observations or evidence become available. Option A is correct because it states the central purpose of classification. Option B is wrong because classification uses and makes properties clearer; it does not hide them. Option C is wrong because classification creates useful groups rather than removing all groups. Option D is wrong because scientific classification should be based on observation and evidence, not on giving names without studying the objects. For example, animals may be grouped by shared features, while materials may be grouped as metals and non-metals according to their properties. Memory cue: observe similarities, compare differences, then group systematically.