EXAMINATION TEST 2026 FULL QUESTIONS
AND DETAILED SOLUTIONS
⩥ disaccharide. Answer: two monosaccharides joined together by a
glycosidic bond
⩥ polysaccharide. Answer: many sugar units joined by a glycosidic bond
⩥ maltose. Answer: α glucose + α glucose
⩥ lactose. Answer: glucose + galactose
⩥ sucrose. Answer: glucose + fructose
⩥ where is lactose found?. Answer: milk
⩥ where is maltose found?. Answer: germinating seeds
⩥ where is sucrose found?. Answer: table sugar
⩥ cellulose. Answer: polymer of β glucose
, ⩥ starch. Answer: polymer of α glucose (amylose + amylopectin)
⩥ what is the structure of cellulose?. Answer: long, unbranched chains
of β glucose, insoluble
⩥ where is cellulose found?. Answer: plant cell walls
⩥ why is cellulose strong?. Answer: chains linked by h bonds form
microfibrils giving high tensile strength to prevent osmotic lysis
⩥ what is the structure of starch?. Answer: long, highly-branched,
compact helix and insluble
⩥ where is starch found?. Answer: energy stores in plants
⩥ glycogen. Answer: storage form of glucose in animals, compact,
highly-branched structure
⩥ limits of the Benedict's test. Answer: isn't specific or sensitive
⩥ what is the test for reducing sugars?. Answer: Benedict's test