Give one word for plants with soft perishable stem .

The answer is 'herbaceous'. These are plants with soft and green stems that typically grow fast and usually don't live beyond one year (annuals). So they would produce flowers and seed within one season and then die.These sorts of plants have adapted to take advantage of the growing season while not persisting through the non-growing season.

What orders do you have in your chart

Iagree the cover letter is most important it tells someone what you intend on doing