Survey of Natural Sciences Timing

[Sulcus]

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For the survey of natural sciences, I was wondering if they allow you to go back into bio or gen chem respectively once you finish those and move on to the gen chem and orgo. Also, if I finish bio in say 20 minutes, does that leave me with the full 70 minutes left to do the chem sections or are those limited to 30 minutes each?

 

[findingnemo13]

You have 90 min to complete 100 questions., Doesn't matter where you spend your time.

 

[Amberena]

For the survey of natural sciences, I was wondering if they allow you to go back into bio or gen chem respectively once you finish those and move on to the gen chem and orgo. Also, if I finish bio in say 20 minutes, does that leave me with the full 70 minutes left to do the chem sections or are those limited to 30 minutes each?

They are all lumped together, so you can go back and check any of them. It's a chunk of 100 questions all in a row with the first 40 being bio, then 30 gen chem, followed by 30 organic questions. Any questions you mark can be reviewed at the end of the entire science section.