Which of the following endocrine glands is unpaired?
(a) Adrenal
(b) Testes
(c) Pituitary
(d) Ovary
Answer: C
Solution: Except pituitary, all endocrine glands given here are paired in nature.
Adrenal glands are paired present on the top of each kidney. Testes is a paired gland in males which produces male sex hormones. Ovary is a paired gland in females, which produces female sex hormones. Pituitary gland is unpaired and present below the brain. It is also called as master gland as it secretes number of hormones.