Hey Jmamta,
No, GUJCET contains only 12th standard syllabus, which is approved by Gujarat SEB Board. As it has only 12th standard syllabus no 11th weightage, 11th class standard subjects are nit included in GUJCET. For entire syllabus and more details of the exam pattern, marks, and etc on the following link,
Https://www.google.co.in/amp/s/engineering.careers360.com/articles/gujcet/amp
All the best!
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