Tardigrade
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Tardigrade
Question
Biology
Which of the following classes is incorrectly matched with its general characters?
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Q. Which of the following classes is incorrectly matched with its general characters?
AIPMT
AIPMT 2008
Animal Kingdom
A
Cyclostomata: Lack jaws and paired fins and body is covered with placoid scales
B
Osteichthyes: Four pairs of gills are covered with an operculum and skin is covered with cycloid scales
C
Reptilia: Tympanum represents ear and fertilisation ' is internal
D
Aves: Endoskeleton is fully ossified and long bones are hollow with air cavities called as pneumatic bones
Solution:
Cydostomes have a sucking and circular mouth without jaws. Their body is devoid of scales and paired fins.