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PDF chapter test
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Subjects
Science State Board
Class 9
Organ systems in animals
Textbook questions
2.
Choose the correct answer II
Exercise condition:
2
m.
1
.
To prevent the entry of food into the trachea
,
the opening is guarded by
hard palate
soft palate
glottis
epiglottis
2
.
Bile helps in the digestion of
sugar
proteins
carbohydrates
fats
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