Well first off let me be blunt most of your errors seem to stem the fact you didn't do this on a stable surface like a table. linked here in the faq this question is answered as follows:

Is it okay if I do my lessons on the bus, laying on my bed, on the couch, or in other similarly less-than-stable positions?

"Probably not a good idea. Anything that keeps you from being in a focused, studious mindset should be avoided. This includes unstable drawing positions, busy/crowded/noisy spaces, messy environments, drawing on lined or graph paper, and so on. You absolutely want to put your best effort into completing the exercises, as that is the way you're going to get the most out of them. Being in a less than optimal mindset will cause you to work sloppier, which is something you want to avoid at all costs.

If you don't have any kind of a reasonable table or desk at home, consider going out to a public library instead."

You should always draw on a stable surface perfeable a table as this allows you to use you shoulder like the lesson teaches you how to moving on to what you turned in I cannot give an accurate critque knowing that you have not done the lesson on a stable place as I can't tell if its the set up of techinque that is causing the issues. I will give you some general tips but I am going to suggest you redo all the lesson's homework at least one page to get a better idea of how well you understood the lesson.

Super imposed lines

I see fraying at the beginning remember when you are placing your lines make sure to slow down and place your pen in the same position. Also I see wobbling in your lines remember let the line flow the goal of this excrise isn't to create line that exactly match the first line you drew with a straight edge rather its to make confident lines that wobble. Focus first on creating confident lines then you can try for accuracy

Ghosted lines+Ghosted planes

There is wobbling and arcing lines. This singles to me you might be too focused on hitting the dot as opposed to making a confident line. Remember let the line flow the goal of this excrise isn't to create line that exactly match the first line you drew with a straight edge rather its to make confident lines that wobble. Focus first on creating confident lines then you can try for accurracy. Don't be afraid to ghost a few times I suggest around 8-10 times at first.

Table of Ellipses

I am noticing that your circles are not smooth. Again try ghosting a few more times if you see your lines losing smoothness and use your shoulder. Also reread the lesson as you seem to have missed that they should be touching but not overlapping.

Funnels

Some of your funnels have circles that are all the same degree make sure to make them smaller as they go towards the center. You also didn't make sure your ellipses where touching each other.

Ghosted planes with ellipses

Good these circles stay within the bounds. My suggestion to make the circles a bit smoother is to ghost them more times before placing them. For me personally when I did them I ghosted them about 10-20 times before I placed them down and that has been reduced to about 5 times as of today.

Rough perspective

I noticed some of the trouble you had doing this I had issues myself with this one too. One thing that helped me to get better at this was to first understand that only one set of lines should be converging towards the vp while the rest should be going straight off the page. I think this advice from my own reviewer was very helpful "Remember that the front and back planes of each one of them should have the horizontal lines parallel to the horizon and the vertical lines perpendicular to it." -Pedro Also remember to ghost your lines and draw from the shoulder to prevent the wobbling with your lines.

Rotated boxes

This one is hard as well. I think you may benefit from rereading the homework. but don't worry too much you'll get better with time and when you use a stable surface

Organic Perspective

This one is also a hard one to do at first but become much easier after you do the 250 boxes challege. remember that the perspective lines of each face should converge to a specific vanishing point. I think what really helped me was to draw two dots per line, one that represents the correct ghosted angle to the vp and another that is for the juction between lines that still adhear to this ghosted angle I mentioned before.