Concept:Bloom’s taxonomy arranges cognitive skills in a hierarchy from simplest to most complex.
Explanation:The cognitive domain has six levels. They are: knowledge, understanding, application, analysis, synthesis, and evaluation.
Knowledge is the most basic level – it involves recalling facts or information without deeper processing.
The next level, understanding, requires grasping meaning, which is higher than simple recall.
Therefore, among the given options, knowledge is the lowest level of cognitive achievement.
Answer:A. knowledge