AP BIOLOGY

Detailed explanation-1: -In plants the waste products are stored in cellular vacuoles. In a plant waste materials are often stored in old xylem in the form of gums and resins. It is also stored in falling leaves. Excretion of gaseous waste in plants takes place through stomatal pores on leaves.

Detailed explanation-2: -In plants, excretory products are stored in cellular vacuoles, in leaves that fall off and in the old xylem as resins and gums.

Detailed explanation-3: -The gums, oils, latex, resins, etc. are some waste products stored in plant parts like barks, stems, leaves, etc. Eventually, plants shed off these parts. The oil produced from orange, eucalyptus, jasmine, latex from the rubber tree, papaya tree, and gums from acacia, are different forms of stored waste products.

Detailed explanation-4: -Solution : (i) Resin and gums are the two wastes which are stored in old xylem in plants.