Question

Which of the following is not an excretory organ of vertebrates?

• A. Lungs
• B. Skin
• C. Liver
• D. Hepatopancreas

Answer 1

The correct option is D Hepatopancreas

The main excretory organs in vertebrates are kidneys. Lungs, skin and liver may act as accessory excretory organs in some vertebrates.

• Lungs are the respiratory organs which aid is exchange of air.
• Skin is the outer covering of body.
• Liver is the largest gland in the body and perform various functions such as detoxifying, metabolism etc.
• Hepatopancreas, a digestive gland is found in the digestive tract of arthropods and molluscs.

Hence, hepatopancreas is not an excretory organ of vertebrates.

So, the correct answer is 'Hepatopancreas'.