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Questions and Answers
What is the purpose of adding sodium hydrogencarbonate to the test tube?
What is the purpose of adding sodium hydrogencarbonate to the test tube?
- To neutralize the acidic conditions and allow the Benedict's Reagent to work (correct)
- To change the color of the solution
- To increase the pH of the solution
- To test for the presence of a reducing sugar
What is the purpose of using pH paper in this experiment?
What is the purpose of using pH paper in this experiment?
- To check that the solution has been neutralized (correct)
- To measure the pH of the solution
- To test for the presence of a reducing sugar
- To determine the type of sugar present
What color change is observed if a non-reducing sugar is present in the original sample?
What color change is observed if a non-reducing sugar is present in the original sample?
- The solution turns blue/black
- The solution turns brick red (orange-brown) (correct)
- The solution remains blue
- The solution turns green
What chemical test is used to identify the presence of starch?
What chemical test is used to identify the presence of starch?
What is the main difference between saturated and unsaturated lipids?
What is the main difference between saturated and unsaturated lipids?
What is the main structural component of a triglyceride molecule?
What is the main structural component of a triglyceride molecule?
What is the primary difference between amylose and amylopectin?
What is the primary difference between amylose and amylopectin?
Which property of starch makes it suitable for energy storage in plants?
Which property of starch makes it suitable for energy storage in plants?
What is the role of cellulose in plant cell walls?
What is the role of cellulose in plant cell walls?
What is the purpose of the 1,6 glycosidic bonds in amylopectin?
What is the purpose of the 1,6 glycosidic bonds in amylopectin?
Which type of polysaccharide is the main component of plant cell walls?
Which type of polysaccharide is the main component of plant cell walls?
What is the function of Benedict's reagent in biochemical tests?
What is the function of Benedict's reagent in biochemical tests?
What type of glycosidic bond is formed between the glucose molecules in starch?
What type of glycosidic bond is formed between the glucose molecules in starch?
Which of the following is NOT a polysaccharide?
Which of the following is NOT a polysaccharide?
What is the primary difference between amylose and amylopectin, the two components of starch?
What is the primary difference between amylose and amylopectin, the two components of starch?
Which of the following is the primary function of cellulose in plants?
Which of the following is the primary function of cellulose in plants?
How do the glycosidic bonds in cellulose differ from those in starch?
How do the glycosidic bonds in cellulose differ from those in starch?
What is the primary function of starch in plants?
What is the primary function of starch in plants?
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