Among the following organisms, which one does not belong to the class of other three?

examrobotsa's picture
Q: 74 (IAS/2014)
Among the following organisms, which one does not belong to the class of other three?

question_subject: 

Science

question_exam: 

IAS

stats: 

0,66,192,66,123,26,43

keywords: 

{'organisms': [4, 1, 3, 2], 'scorpion': [0, 0, 0, 2], 'crab': [1, 0, 0, 0], 'spider': [0, 0, 0, 1], 'class': [4, 1, 4, 15], 'mite': [0, 0, 0, 2]}