Which is the largest gland in the human body?

In the human body, which of the following is ductless gland?

Among the following options, which is the smallest endocrine gland in the human body?

Which of the following glands in human body acts both as an endocrine gland as well as an exocrine gland?

Bile is produced in which part of the body?

Which of the following endocrine glands is not found in pair in humans?