No. It is not necessary. Only the corresponding author will register in the system.
But all authors should be aware of their responsibility for the manuscript. 
The order of  people and their responsibilities  should be mentioned clearly in the manuscript.

No. You can visit the journal's website to view your or other manuscripts .

First, click on the "login" option at the top left of the screen.
After that, click on the  "forgot the password" option . You should enter  email address.
Then, You will receive an email authorizing you to change your password.

No. This is unethical in publishing. If you do that, your article will not be published;
And if it has been published, it will be invalidated. Your name will then be blacklisted and no other manuscripts will be accepted from you.

The average time for preliminary evaluation in this journal is less than 5 days and for completing the review process of manuscripts is between 3 to 6 months.

Iranian Plant Protection Research Journal does not receive any money from the authors for the review of the manuscripts, but the authors whose manuscripts are accepted must pay  the account of the University's research Vice-Chancellor for editing and publishing  of the manuscript.