Which of the following does not occur during breathing? 

Which of the following does not occur during adsorption of a gaseous reactant in presence of solid catalyst-

Which of the following does not occur in earthworm?

Which of the following does not occur in hydra ?

Which of the following does not occur during the stage of ventilation depicted in the following diagram?

Which of the following change does not occur during parturition ?

Which of the following changes does not occur during conversions of secondary follicle into tertiary follicle?

Which of the following changes does not occur during conversions of secondary follicle into tertiary follicle?