Yes, the Guru Granth Sahib.
The Sikhs treated this book as a "teacher". This book is the central text of the Sikh religion.
Sikhism is a religion that originated from India with the founder being Guru Nanak. Sikhs worship in a Gurdwara and their sacred text is the Guru Granth Sahib
Sikhs have gurudawaras
Sikhs is not real
Since the meetings are of Sikhs, so usually Sikhs are present there.
Yes Sikhs have weddings.
Sikhs join the Khalsa.
Sikhs do not refer to their scripture as the Bible; instead, they call it the "Guru Granth Sahib." This text is considered the eternal Guru of the Sikhs and contains the teachings of the Sikh Gurus as well as contributions from various saints and poets. The Guru Granth Sahib is revered and treated with great respect in Sikhism, often placed on a raised platform in gurdwaras (Sikh places of worship).
Sikhs wear a kara, kirpan, kaccha, kanga, and kesh to show that they are Sikhs and that they are proud.
The Gurudwara is a place of worship for Sikhs.
Sikhs only cremate.