Fats

Q. An example for a saturated fatty acid, present in nature is ___.

1. Linolenic acid
2. Palmitic acid
3. Oleic acid
4. linoleic acid

Q.

Fats or triglycerides are formed by:

1. condensation reaction between the carboxylic acid groups of glycerol and fatty acids

2. polymerization of fatty acids

3. condensation of H group of glycerol and OH of fatty acid

4. the COOH group of glycerol and H of fatty acid

Q. _______ number of fatty acid residues constitute one molecule of fat or triglyceride.

1. 3
2. 4
3. 2
4. 1

Q. Unsaturated fatty acids have _________.

1. Oleic acid
2. High melting point
3. One or more double bonds
4. Palmitic acid

Q.

_____ are insoluble in water but soluble in an organic solvents.

1. Saccharides

2. Lipids

3. Nucleic acids

4. Proteins

Q.

Match the following molecules with their subunits

Column I		Column II
1. Amino acid		a. Uridine
2. Nucleoside		b. Palmitate
3. Carbohydrate		c. Ribose
4. Fatty acid		d. Adenylic acid
		e. Alanine

1. 1.⇒ d, 2.⇒ c, 3.⇒ b, 4.⇒ a.

2. 1.⇒ e, 2.⇒ a, 3.⇒ c, 4.⇒ b.

3. 1.⇒ c, 2.⇒ d, 3.⇒ a, 4.⇒ b.

4. 1.⇒ b, 2.⇒ a, 3.⇒ d, 4.⇒ c.

Q. A Phosphoglyceride is always made up of:

1. A saturated or unsatrurated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule
2. A saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
3. Only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
4. Only an unsaturated to which a phosphate group is also attached

Q. A typical fat molecules is made up of:

1. Three glycerol molecules and one fatty acid molecules
2. One glycerol and three fatty acid molecules
3. One glycerol and one fatty acid molecule
4. Three glycerol and three fatty acid molecules

Q. Most animal lipids are composed of ________ fatty acids whereas most plant lipids are composed of _______ fatty acids.

1. unsaturated; saturated
2. saturated; unsaturated
3. saturated; saturated
4. unsaturated; unsaturated

Q. Fat is hydrolysed by the enzyme lipase to yield

1. glycerol and fatty acids
2. fatty acid and amino acids
3. glycerine and water
4. glycerol and amino acids