Nutrients - Carbohydrates

Which of the following is a role of water?

• Is the solvent in which chemical reactions take place.

• Is an essential component of cells, tissue fluids, digestive juices and blood.

• Helps control body temperatures.

• All of tge above

Which element(s) make up carbohydrates?

• Sulfur

• Carbon

• Hydrogen

• Oxygen

The ratio of hydrogen atoms to the oxygen atoms in carbohydrates is ....................

• 1:0

• 2:3

• 2:1

• 1:2

Carbohydrates can be categorized into ....

• Polysaccharides

• Disaccharides

• Glucose

• Monosaccharides

• Fructose

Which of the following is not an example of polysaccharides?

• Cellulose

• Fructose

• Starch

• Glycogen

Which of the following polysaccharides is not found in man?

• Cellulose

• Starch

• Glycogen

............. solution is needed to test for the presence of starch.

Which of the following is the correct observation when starch is present?

• Iodine solution remains yellowish-brown.

• Iodine solution turns from blue-black to yellowish brown.

• Iodine solution turns yellowish brown from to blue-black

• Iodine solution remains blue.

Which of the following is the correct observation when starch is absent?

• Iodine solution remains yellowish-brown.

• Iodine solution turns from blue-black to yellowish brown.

• Iodine solution turns yellowish brown from to blue-black

• Iodine solution remains blue.

From the Iodine test, we are able to tell the amount of starch present.

• True

• False