The terms 'wood' and 'bast' respectively refer to

Answer: CSolution: Xylem is also known as wood. It consists of four types of cells, viz. tracheids vessels (both tracheary elements), xylem or wood parencyma and xylem or wood fibres. Phloem is also called bast. It consists of four types of cells, viz, sieve tubes, companion cells, phloem parenchyma and fibres.