Lipids Or Fats In Biochemistry Quiz

Questions : 12 | Total Attempts: 602 | Recent Updated: 06-Dec-2021
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Fats or lipids are long-chain fatty acids and alcohol esters. These are waxy or oily substances present in all organisms. These are non-hydrophilic and hydrophobic compounds. These are soluble in organic solvents such as chloroform, benzene, ether while insoluble in water. All lipids are made by carbon {C}, hydrogen {H} and oxygen {O}. Phosphorus {P}, nitrogen {N} and sulfur {S} are also present in some lipids. Lipids do not form polymers like proteins and carbohydrates. Neither are they considered large molecules. Lipids play an important role in living organisms. Some of their main functions include energy storage, hormones, and cell membranes. Let's know more about Fats or lipids.

Questions Excerpt


1. Which of the following type of molecules are proteins, DNA, carbohydrates, and lipids?

A. Organic molecules

B. Oxide molecules

C. Crystal molecules

D. All of the above

2. Which of the following elements make up lipids?

A. Lithium, potassium, sodium

B. Oxygen, neon, sulfur

C. Carbon, hydrogen, oxygen

D. None of these

3. Which of the following is NOT true about lipids?

A. They are inorganic

B. They are mostly made up of nitrogen

C. They dissolve in water

D. All of the above

4. Which of the following type of lipid is one of the main structural components of all cell membranes?

A. Phospholipids

B. Saturated fats

C. Unsaturated fats

D. All of the above

5. Which of the following type of lipids includes hormones, cholesterol, and chlorophyll?

A. Phospholipids

B. Unsaturated fats

C. Waxes

D. None of these

6. Which of the following type of lipid is found in human ears to help protect our eardrums?

A. Waxes

B. Unsaturated fats

C. Saturated fats

D. All of the above

7. Which of the following type of lipid is solid at room temperature and is found in foods like cheese and red meat?

A. Saturated fats

B. Unsaturated fats

C. Phospholipids

D. All of the above

8. What is the chemical formula of Lipids?

A. CH12(CH2)nCOOH

B. CH3(CH2)nCOOH

C. CH3(CH4)nCOOH

D. CH3(CH2)nCOH

9. What is an acid with even number of carbon atoms called?

A. Fatty Acids

B. Complex Acids

C. Derived Acids

D. All of the above

10. How many types of Fatty Acids are there based on the covalent bond found between C-C?

A. 2 types

B. 4 types

C. 3 types

D. 5 types

11. Which fatty acids are beneficial?

A. Saturated

B. Unsaturated

C. Both of the above

D. None of these

12. What type of fatty acid is oil?

A. Saturated

B. Unsaturated

C. Both of the above

D. None of these

 

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