Question

Choose the correct statement.

• A. Unorganised endocrine gland include pineal gland pituitary gland, pancreas, liver, ovary and testis
• B. In nervous system, the response is for long duration whereas in endocrine system it is for short duration
• C. Invertebrates possess very simple endocrine system whereas a large number of chemicals act as hormones in vertebrates
• D. Hormones are produced in trace amounts by ducted glands

Answer 1

Answer: (C)

Statement in option (c) is correct. Rest of the statements are incorrect and can be corrected as
• Organised endocrine glands include pineal gland, pituitary gland, pancreas, liver, ovary and testis
• In the nervous system, the response is for a short duration whereas in the endocrine system, it is for a long duration.
• Hormones are produced in trace amounts by ductless (endocrine) glands.