______ are the openings found on older stems.

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Solution

The openings found on the older stems are called lenticels which usually acts as the respiratory pores for the incoming and outgoing of gases. The overall shape of lenticels is used to determine the type of plant as well. It is a porous tissue made of cells with large intracellular spaces in periderm.

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What are the opening on the barks of older stems called?

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(a) ......................... are the openings found on older stems.

(b) Glycolysis occurs in the ....................of the cells.

(d) Rate of ..........................is more than the rate of .....................in the daytime in the case of green plants.

(e) ................is a chemical which absorbs oxygen of the air.

(f) ...................... is used to create vacuum to show anaerobic respiration.

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