Why are endocrine glands called ductless glands?
Answer and explanation
Correct answer: Because they release secretions directly into blood
Endocrine glands are called ductless glands because they do not possess ducts or tubes through which their secretions can travel. Instead, they release hormones into the surrounding tissue fluid, from where the hormones enter the bloodstream and reach target organs. This differs from exocrine glands, which use ducts to carry secretions to a surface or cavity. Thus, direct release into blood makes option A correct; the other choices describe unrelated functions.
Frequently asked questions
What is the correct answer to this question?
Because they release secretions directly into blood
Why is this the correct answer?
Endocrine glands are called ductless glands because they do not possess ducts or tubes through which their secretions can travel. Instead, they release hormones into the surrounding tissue fluid, from where the hormones enter the bloodstream and reach target organs. This differs from exocrine glands, which use ducts to carry secretions to a surface or cavity. Thus, direct release into blood makes option A correct; the other choices describe unrelated functions.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Endocrine system.
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