Which of the following is a plant hormone?

Which of the following is plant hormone?

Which of the following is not a plant hormone?

The cut flowers and vegetables are kept fresh for a long period by which of the following plant hormone ?

The cut flowers and vegetables are kept fresh for a long period by which of the following plant hormone ?

Which of the following plant hormone functions against auxin?

Which of the following plant hormone is extracted from fungus?

Which of the following plant hormone is extracted from fungus?