Find the odd one out in the series given below:
Salivary gland; Gastric glands; Tear gland; Thyroid gland
Thyroid gland
The correct option is D:
Explanation of the correct option :
Thyroid gland is odd one out because it is an endocrine gland which secretes thyroxine hormone.
Explanation of the incorrect option:
Option A:
Salivary gland is an exocrine gland that secretes saliva.
Option B:
Gastric gland is an exocrine gland that secretes gastric juice.
Option C:
Tear gland is an exocrine gland.
Final answer: Thyroid gland is odd one out because it is an endocrine gland.