Question

Endocrine glands are

• A. Ductless glands whose secretions pour directly into blood
• B. Have ducts and pour their secretion into blood directly
• C. Have duct which straightway pour secretion into target organs
• D. All of the above

Answer 1

The correct option is A

Ductless glands whose secretions pour directly into blood

The correct option is (A)

Explanation of the correct option :

1. Endocrine glands are also known as ductless glands since they do not require to use of ducts to release hormones.
2. They release the hormones directly into the bloodstream.
3. Some examples are the pituitary gland, pineal gland, etc.

Explanation of the incorrect option:

Option B:

Endocrine glands do not have ducts. Glands with ducts are called exocrine glands and they pour their secretion onto the surface itself.

Option C:

Although endocrine glands pour their secretion directly onto the target organ but they do not possess ducts.

Final answer:

Hence, endocrine glands are ductless glands that pour secretion directly into the blood.