Tissue: (d) Smooth muscle tissue; Location: Heart; Function: Heart contraction
Tissue: (a) Columnar epithelium; Location: Nephron; Function: Secretion and absorption
Tissue: (c) Collagen fibres; Location: Cartilage; Function: Attach skeletal muscles to bones
Tissue: (b) Glandular epithelium; Location: Intestine; Function: Secretion
Glandular epithelial cells are specialized epithelial cells that secrete hormones or enzymes. They are components of glands. In the intestine, there are various types of glands present, so glandular epithelium is also present in them. The function of glandular epithelium is the synthesis and secretion of hormones or enzymes. So, the correct answer is 'Tissue: (b) Glandular epithelium; Location: Intestine; Function: Secretion'