Answers

2015-08-29T08:00:26+08:00

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
           A paradermal section is one in which the microtome knife cuts parallel to the surface of an organ, parallel to the surface of the leaf in this case. If the leaf were perfectly flat, the knife might cut a uniform section from one end to the other of the leaf, and extending uniformly to both sides. But, leaves tend to be curved or undulate, so the knife cuts into part of the leaf and misses other parts on the first pass while the cross section of a typical leaf is divisible into three main parts namely, the epidermis, mesophyll, and the veins ang longitudinal section is the representation of an object as it would appear if cut by the vertical plane passing through the longest axis of the object.  


0