Biology
Diversity among Animals
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#9 In which of the following pharynx opens directly into intestine?
A) Planaria
B) Earthworm
C) Cockroach
D) Snail
Answer: A
#10 Which one of the following animals has no alimentary canal?
A) Ascaris
B) Pin worm
C) Planaria
D) Tape worm
Answer: D
#11 Which one of the following has no digestive tube:
A) Tape Worm
B) Liver Fluke
C) Planaria
D) Round Worm
Answer: A
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