Read the following statements regarding glandular epithelium: Statement I: Some columnar or cuboidal cells get specialised for secretion to form glandular epithelium. Statement II: Goblet cells are examples of multicellular glands found in the alimentary canal. Statement III: Exocrine glands secrete mucus, saliva, earwax, oil, milk, and digestive enzymes through ducts. Statement IV: Endocrine glands are ductless and

Step-by-step solution

Statement I is correct. Glandular epithelium is formed when some columnar or cuboidal cells get specialised for secretion. Statement II is incorrect. Goblet cells of the alimentary canal consist of isolated glandular cells and are examples of unicellular glands, not multicellular glands. Salivary glands are examples of multicellular glands. Statement III is correct. Exocrine glands release their secretory products like mucus, saliva, earwax, oil, milk, and digestive enzymes through ducts or tubes. Statement IV is c