In insect, oxygen is carried to different tissues by [AFMC 1985; CPMT – McqOptions

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1.	In insect, oxygen is carried to different tissues by [AFMC 1985; CPMT 1987; Bihar MDAT 1986]
A.	Diffusion through surface
B.	Tracheal tubes
C.	Respiratory pigment through blood
D.	Gills
Answer» C. Respiratory pigment through blood

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