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

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

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

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

Which is the largest gland in the human body?

Bile is stored in which of the following organ?