Question

20. The rate of cellular respiration can be measured by

A)disappearance of the methylene blue dye

B)the staining of the cytoplasm brownish with iodine

C)the staining of the cytoplasm with neutral red

D)counting the number of bubbles forming on the surface of the leaves of aquatic plants

E) all of the above

Answer 1

ans.e

staininig of cytoplasm with iodine producing brownish black= starch/ glycogen

staining with neutal red will indicate decreased pH

methylene blue disappear due to usage of alcohol

counting of bubbles indicate CO2 released in respiration