Prelims 2014 · Science and Technology · Question 54
Among the following organisms, which one does not belong to the class of other three?
Answer
Crab
- (a) Crab: Crab belongs to subphylum Crustacea under phylum Arthropoda. Verdict: Different from the other three.
- (b) Mite: Mite belongs to class Arachnida under Arthropoda. Verdict: Same class group as scorpion and spider.
- (c) Scorpion: Scorpion is an arachnid. Verdict: Same class group as mite and spider.
- (d) Spider: Spider belongs to class Arachnida. Verdict: Same class group as mite and scorpion.
Therefore, crab does not belong to the class of the other three.