The textbook context clearly identifies several agricultural products that serve as raw materials for industries. Plantation crops like tea, coffee, rubber, sugarcane, and banana are mentioned as produce used as raw material in respective industries. Additionally, fibre crops like cotton, jute, hemp, and natural silk are identified as important agricultural raw materials. Rubber is specifically highlighted as 'an important industrial raw material.' Students can list any 3-4 of these industries to earn full marks in a 1-mark question.