Eamcet Zoology - Unit - 2 Structural Organization in Animals -Morphology Free Online Tests | Mock Tests | Preparation | Practice Tests

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The level of tracheloar fluid in the tracheoles of cockroach is

A. Always constant

B. Decreases when the insect is active

C. Increases when the insect is active

D. Decreases when the insect is inactive

E. None of the above

View Answer

Correct choice: B

Explanation:

none

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