Lipids

LIPIDS

Multiple Choice

Lipids are defined as ----------

• an esters of long chain fatty acids & alcohols

• an ethers of long chain fatty acids & alcohols

• an esters of long chain fatty dicarboxylic acids & alcohols

• None of these

Multiple Choice

Lipids are soluble in --------

• Organic solvents

• Inorganic solvents

• water

• Both a & b

Multiple Choice

Lipids are insoluble in water

• True

• False

Multiple Choice

Lipids are...

• mostly hydrophilic

• only have the role of energy storage in cells

• mostly hydrophobic

• always have associated nitrogen groups

Multiple Choice

Bees wax , lard & ghee are the examples of----

• Simple lipids

• Derived lipids

• Compound lipids

• Sample lipids

Multiple Choice

Esters of fatty acids containing groups in addition to an alcohol & a fatty acid is called-----

• Simple lipids

• Compound lipids

• Derived lipids

• Special lipids

Multiple Choice

Building blocks of lipids?

• fatty acid

• water

• hydrochloric acid

• gelatin

Multiple Choice

what are the subunits of lipids?

• fatty acids and glycogen

• glucose and cellulose

• fatty acids and glycerol

• fat

Multiple Choice

lipids and carbohydrates have the same ratio

• true

• false

Multiple Choice

Which foods do not contain lipids?

• Beans

• Milk

• Butter

• Cheese

Multiple Choice

Are most lipids in the body are triglycerides?

• Yes

• No

Multiple Choice

Which one is a function of lipids?

• Fast energy

• Storing DNA + RNA

• Insulation

• All of these

Multiple Choice

Which of the following is a characteristic of Lipids?

• Non-polar

• Polar

Multiple Choice

Which of the following is an example of Lipids?

• Creates fattening in foods

• destroys fat

Multiple Choice

What are Lipids used for in your body?

• A cushion for internal organs

• To help digest food.

• Nothing

• Both a & b

Multiple Choice

The word "HYDROPHOBIC" in lipids means----

• soluble in water

• scared of water

• insoluble in water

• Both b & c

Multiple Choice

Soaps are ------- salts of long chain fatty acids.

• Sodium & Potassium

• Sodium & Phosphorus

• Sodium & Plutonium

• Sulphur & Potassium

Multiple Choice

The degree of unsaturation in oils & fats is estimated in terms of

• Iodine value

• Acid value

• R.M value

• Saponification value

Multiple Choice

IBr is used in oil analysis to determine----

• Acid value

• Iodine value

• R.M value

• Saponification value

Multiple Choice

Normal cholesterol level in blood is----

• 180 mg/100 ml

• >250 mg/100 ml

• 150 mg/100 ml

• <250 mg/100 ml

Multiple Choice

The greater the unsaturation of an oil or fat----- is the iodine value.

• Smaller

• Greater

• May be smaller or greater

• Not known

Multiple Choice

Which test is used to detect the degree of unsaturation in oil or fat?

• Acrolein test

• Baudouin test

• Huble's test

• Solubility test

Multiple Choice

Phospholipids have fatty acids

• True

• False

Multiple Choice

What are the 2 types of fatty acids?

• Saturated and Unsaturated

• Monosaturated and Polysaturated

• Saturated and Supersaturated

• Monosaturated and Disaturated

Multiple Choice

Are lipids necessary to maintain our health?

• No

• Yes