Yes, definitely! Not only questions, on the all new Embibe, you can also bookmark pages and JUMP packs so that you can visit them later.
Here's where you can find the option to bookmark the questions for revision:
To visit your bookmarked questions, click on the drop down arrow under "See Your Data In Action" option from the home page.
You will see the following two tabs:
Click on "Bookmarks" and you will see three tabs under it: Pages, Questions, and Packs. Click on "Questions" to view your bookmarked questions.
Students are strongly recommended to bookmark questions which they want to get in more details into or which they found difficult to answer.
You can also view your activity - what you have studied or practiced, which tests you have taken, which videos you have watched, etc. under the "See Your Data In Action" option.