'Air bladder' in fish acts as
A. accessory respiratory organ
B. hydrostatic organ
C. Both accessory respiratory organ
D. primary respiratory organ
Answer: Option B
This Question Belongs to Biology GK Chapter Wise >> Animal Kindom
Related Questions on Animal Kindom
Fusion of two gametes dissimilar in size, as in species of Eudorina is termed as
A. anisogamous
B. oogamous
C. zoogamous
D. isogamous
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