For purposes of study, I took a quiz on the OU site. I took the correct answers and added to them with some research. Please see the quizzes here:Ou Quizzes
Pesach Quiz Answers with some Remarks.
1. Moshe's name appears in the Haggadah once, quoting the verse Shemot 14:31 "And Moses said unto the people: 'Fear ye not, stand still, and see the salvation of the LORD, which He will work for you to-day; for whereas ye have seen the Egyptians to-day, ye shall see them again no more for ever." This is right before the Yom Suf is parted
2. A fifth cup of wine at the Seder Drunk exclusively by Yemenite Jews
According to different sources a fifth cup of wine was either optional, laudatory, or required, but was edited out of our Seder.
3. The word Pesach means "Skipped over and "Had mercy"
4. As a Sedar custom we don’t eat roasted meat because of the Korban Pesach (Paschal lamb sacrifice)
5. Korban Pesach is the only Mitzvat Aseh (positive commandment) that incurs karet (excision) except for Circumcision.
6. There is a custom to eat Eggs at the Seder but according to Rashi, Shir Hashirim 8:5 is the basis of our using Charoset at the Seder.
Shir Hashirm is the Song of Songs. See also this article with many good citations on the subject of Charoset.
On Charoset
7. The special grain Korban brought on Pesach was made from Barley. The Korban HaOmer was brought from the barley crop.
8. The words “Chasal Siddur Pesach” are first recited on Shabbat HaGadol. “Chasal Siddur Pesach” is the concluding paragraph of the Piyyut recited on Shabbat HaGadol.
9. If you cannot find your Afikoman when it is time for tzafun you can do any of the following:
A. Use the other half of the middle matzah
B. Use the top matzah
C. Use the bottom Matzah
D. Use other matzah than the original three
Interestingly, I found that the word Tzfun has been related by sound to “Zephon” (Same consants). Baal-Zephon incidentally is the name of the place the Israelites encamped mentioned in the Pesach readings. (Interestingly also the verse mentioned in question one refereing to Moses S14:31)
10. The word “Afikomen” literally means "Dessert."
Some also conjecture that there is a tie to
Afik (אֲפִיק = bottom, chanel (see for example Psa 18:16: אֲפִיקֵי מַיִם - the bottom of the sea). I am not sure gramatically but it would tie to the S14:31 reference and if Tzfun is Zephon it makes good sense. However Mishna, where in the order Moed in the tractate Pesahim the tenth and final chapter is definitive on the order of the Seder.
Tractate Pesachim 10
11. The Jewish shame mentioned in the Mishneh is recited in the seder by recalling that our ancestors were idolaters and slaves
12. In the Seder described in the Mishneh in the 10th Perek (Chapter) of Pesachim, which of the following comes first:
A. Korban Pesach
B. Matzah - Correct but in practice, we say maggid before matzah.
C. Maggid
D. Hallel
E. Maror
13. In the Seder described in the Mishneh in the 10th Perek (Chapter) of Pesachim, which of the following comes last:
A. Kiddush
B. Korban Pesach
C. Maggid - Correct
D. Matzah
E. Karpas
14. Which Mitzvah of the Seder is not D’Orayta (Biblical)?
Eating Maror and Drinking four cups of wine are not D'Orayta.
15. Yoshiyahu (Joshiah) great revival that featured a rededication of the Bait Hamikdash and the bringing of a Korban Pesach which had been done since the time of Shmuel haNavi?
This history (2 SAM 22) is the haftorah for the 7th day of Pesach and it is also references chronicles. (See my article on special readings for Pesach.)