Answer :

(a) Apical meristems are the growing parts of the roots and stems and are present at the tips of roots, branches, leaves and shoots. If the apical meristems are damanged or cut, the growth of that part of the plant will stop.

(b) If cork is not formed in older stems or roots, the outer tissues will rupture due to increase in girth which expose the interior to dessication and infection.


(c) Lymph is transported through lymph vessels of the lymphatic system. If lymph is not returned to blood, the blood volume will decrease during passage of materials from tissues to blood and vice versa


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