Which of the following endocrine glands do not exist in pairs?

Adrenal

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Parathyroid

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Gonad

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Pituitary

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Solution

The correct option is B Pituitary
A. Adrenal glands are situated on each kidney and secrete adrenaline and nor-adrenaline.
B. Parathyroid gland is present in form of four pouches, with two each on posterior side of each thyroid lobe.
C. Gonads are the reproductive organs that produce gametes. They are a pair of testis in males and a pair of ovaries in females.
D. Pituitary gland is the master gland that regulates the activity of other endocrine glands.
Hence, pituitary gland does not exist in pairs.
So, the correct answer is 'Pituitary'.

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Question 44
Answer the following :

(a) Name the endocrine gland associated with the brain?
(b) Which gland secretes digestive enzymes as well as hormones?
(c) Name the endocrine gland associated with kidneys?
(d) Which endocrine gland is present in males but not in females?

Question 44
Answer the following :

(a) Name the endocrine gland associated with the brain?
(b) Which gland secretes digestive enzymes as well as hormones?
(c) Name the endocrine gland associated with kidneys?
(d) Which endocrine gland is present in males but not in females?

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