Carbohydrates are widely distributed in plants and animals to fulfil both structural and metabolic roles. Check out the MCQ on carbohydrates here.

In plants, they synthesize CO2 and water by photosynthesis and steroid as starch or change it to cellulose to provide a framework. Animals can synthesize some carbohydrates from fat and protein. However, the bulk of animal carbohydrates is derived from plants.

MCQ on Carbohydrates
MCQ: On Carbohydrates

Carbohydrates are essential nutrients that the body needs for energy and cell function. They are found in a variety of foods, including bread, rice, pasta, fruits, and vegetables. Carbohydrates are made up of sugars, which are then broken down by the body into glucose. Glucose is then used by the body for energy.

👉 Read the full notes on Carbohydrates

Carbohydrates are one of the three macronutrients (along with fats and proteins), and are essential for the body to function properly. Carbohydrates are classified into two main categories: simple and complex. Simple carbohydrates are made up of one or two sugar molecules, and include foods like fruits, honey, and table sugar. Complex carbohydrates are made up of three or more sugar molecules, and include foods like starchy vegetables, grains, and legumes.

👉 Read full notes on Classification of Carbohydrates

  • Polysaccharides are classified according to their chemical structure, which can be simple or complex. Simple polysaccharides, such as glucose and fructose, are composed of monosaccharides (single sugar units). Complex polysaccharides, such as starch and cellulose, are composed of multiple monosaccharides bonded together.
  • Polysaccharides are also classified according to their solubility in water. Soluble polysaccharides, such as maltose and glycogen, dissolve in water and can be metabolized by the body. Insoluble polysaccharides, such as cellulose and chitin, do not dissolve in water and cannot be metabolized by the body.

👉 Read the full notes on Classifications of polysaccharides.

In the given below MCQ on carbohydrates (Multiple Choice Questions) helps you to check your knowledge on Carbohydrates basics.

👍MCQ on Carbohydrates 👌


1. Biomolecules simply refer to as “Staff of life” in the given….

a) Protein b) Lipids c) Carbohydrate d) Vitamins

2. In carbohydrates special functional groups are present in the given following:

a) Alcohol & Carboxyl groups b) Aldehyde & Ketone groups c) Hydroxyl groups & Hydrogen groups d) Carboxyl groups & Others

3. The majority of the monosaccharides found in the human body are of …

a) L-type b) D-type c) DL-types d) None of the above

4. The simplest carbohydrate is ….

a) Dihydroxy acetone b) Glycerldehyde c) Glucose d) Gulose

5. Examples of Epimers….

a) Glucose & Galactose b) Glucose & Ribose c) Mannose & Glucose d) a & c

6. “Lobry de Bruyn Alberda Van Ekenstein transformation” is the reaction of ….

a) Glucose with mild alkali b) Lactose with enzyme c) Sucrose with diluted acid d) Starch with iodine

7. Fermentation is the degradation of complex organic substances into simpler ones by the activity of living cells through the agency of ….

a) Acid b) Alkali c) Oxidizing substances d) Enzymes (Zymase)

8. The undermentioned compound is an acid mucopolysaccharide….

a) Dicumarol b) EDTA c) Hyaluronic acid d) Glycogen

9. Turanose is …

a) Reducing disaccharides of glucose and fructose b) Non reducing disaccharide c) 7-methyl sugar d) a deoxy sugar

10. One of the following has reducing properties…

a) Glucuronic acid b) Gluconic acid c) Glucaric acid d) Mucic acid

11. One of the following will answer “Molisch test”…

a) Protein b) Lipids c) Mucoproteins d) Flavo proteins

12. The red precipitate formed when glucose is heated with “Benedict’s reagent” is…

a) Cupric hydroxide b) Cuprous hydroxide c) Cupric oxide d) cuprous oxide

13. Digitonin is a ….

a) Protein b) Glycoside c) Lipid d) Alkaloid

14. The following Sugar exhibits inversion of optical rotation on heating with dilute acid ….

a) Sucrose b) Glucose c) Fructose d) Lactose

15. One of the following does not have Sulfuric acid groups…

a) Heparin b) Hyaluronic acid c) Chondroitin sulfate d) Kerato sulfate

16. The end product of hydrolysis of “Starch” by amylase is …

a) Soluble starch b) Glucose c) Dextrins d) Maltose

17. Example for “Fructosan” is ……..

a) Starch b) Inulin c) Cellulose d) Chitin

18. The reagent used for distinguishing a reducing monosaccharide from a reducing disaccharide is …

a) Benedict’s reagent b) Barfoed’s reagent c) Fehling’s reagent d) Selwinoff’s reagent

19. Fructose and Glucose can be distinguished by ….

a) Selwinoff’s reagent b) Benedict’s reagent c) Fehling’s reagent d) Barfoed’s reagent

20. “Concept of tetrahedral carbon atom” are first introduces by …

a) Tarnet

b) Van’t Hoff and Le Bel

c) Bayer

d) None of the above

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