Deposition of callose is found in

Laticiferous cells usually contain

Collenchyma differs from parenchyma in

How does collenchyma differ from sclerenchyma?

Given below are two statements:
Statement $I$: Parenchyma is living but collenchyma is dead tissue.
Statement $II$: Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms.
In the light of the above statements,choose the correct answer from the options given below:

The end walls of tracheids and vessels,respectively,are: