Classification of Carbohydrates — Prelims Questions

Which of the following statements about carbohydrates is INCORRECT?

Which of the following is a non-reducing disaccharide?

Which of the following is an example of a ketohexose?

Upon complete hydrolysis, which of the following polysaccharides yields only $alpha$-D-glucose units?

Which of the following statements correctly describes the glycosidic linkage in lactose?

Which of the following is a structural polysaccharide found in the cell walls of fungi and the exoskeletons of arthropods?