Multiple Choice Questions on Carbohydrates:
1. What are carbohydrates?
(1) Carbohydrates are polyhydroxy aldehyde or ketones and there derivatives.
(2) Carbohydrates are polychloro aldehyde or ketones and there derivatives.
(3) Carbohydrates are Dihydroxyl aldehyde or ketones and there derivatives.
(4) None of these
Answer: 1
2. Carbohydrates are also known as___________
(1) Hydrates of carbon
(2) Carbonates
(3) Glycolipids
(4) Polysaccharides
Answer: 1
3. Which of the following are the major functions of Carbohydrates?
(1) Storage
(2) Structural framework
(3) Transport Materials
(4) Both Storage and structural framework
Answer: 4
4. The main energy material for life activities is
(1) protein
(2) nucleic acid
(3) Lipid
(4) carbohydrate
Answer: 4
5. Which of the following is also known as invert sugar?
(1) Sucrose
(2) Fructose
(3) Dextrose
(4) Glucose
Answer: 1
6. Which of the following is not carbohydrate?
(1) Glucose,
(2) Maltose,
(3) Fructose
(4) Glycine
Answer: 4
7. What is the most important carbohydrate?
(1) Glucose,
(2) Maltose,
(3) Fructose
(4) Glycine
Answer: 1
8. Which of the following is the general formula of Carbohydrates?
(1) (C4H2O)n
(2) (C6H2O)n
(3) (CH2O)n
(4) (C2H2O)n COOH
Answer: 3
9. Which One of the Following is a Monosaccharide?
(1) Maltose
(2) Sucrose
(3) Fructose
(4) Starch
Answer: 3
10. Which of the following is the simplest form of carbohydrates?
(a) Carboxyl groups
(b) Aldehyde and Ketone groups
(c) Alcohol and Carboxyl groups
(d) Hydroxyl groups and Hydrogen groups
Answer: 2
11. Which of the following sugars is a monosaccharide
(1) sucrose
(2) ribose
(3) Glycogen
(4) starch
Answer: 2
12. Which of the following monosaccharides is the majority found in the human body?
(1) D-type
(2) L-type
(3) LD-types
(4) None of the above
Answer: 1
13. The polysaccharides that are abundant in cereals are_____
(1) Glycogen and cellulose
(2) starch and glycogen
(3) starch and cellulose
(4) Sucrose and Maltose
Answer: C
14. Which of the following is the most abundant biomolecule on the earth?
(1) Lipids
(2) Proteins
(3) Carbohydrates
(4) Nucleic acids.
Answer: 3
15. The polysaccharides used as energy storage substances in animal cells and plant cells are
(1) Glucose and starch
(2) Glycogen, maltose
(3) Lactose, cellulose
(4) Glycogen, Starch
Answer: 4
16. Which of the following is the simplest carbohydrate?
(1) Gulose
(2) Glucose
(3) Dihydroxyacetone
(4) Glyceraldehyde
Answer : 4
17. Which of the following is Aldose carbohydrates __________
(1) Glucose,
(2) ribose,
(3) galactose
(4) All of these
Answer: 4
18. Which of the following is ketose carbohydrates________
(1) Fructose,
(2) erythrulose,
(3) ribulose
(4) All of these
Answer: 4
19. Class of carbohydrate which cannot be hydrolyzed further, is known as?
(1) Disaccharides
(2) Polysaccharides
(3) Proteoglycan
(4) Monosaccharide
Answer:
20. Which of the following statements about sugars is correct
(1) Ribose is present in RNA molecules
(2) Ribose and glyceraldehyde contain six carbon atoms and are monosaccharides
(3) Carbohydrates are the main energy storage substances in the human body
(4) The body's excess glucose can be converted into starch and stored in the liver or muscle
Answer: 1
21. Which of the following amino sugar are present in the bacterial cell wall?
(1) N-acetylmuramic acid
(2) Sialic acid
(3) Aminoglycoside
(4) Azide
Answer: 1
22. Carbohydrates are important components of cells. Which of the following statements about carbohydrates is incorrect?
(1) The basic elements of carbohydrates are C, H, O
(2) Carbohydrates are the main source of energy for living organisms
(3) Glucose and starch are both polysaccharides in animal cells
(4) Cellulose is the main component of plant cell walls
Answer: 3
23. Which is the simplest form of carbohydrate?
(1) Monosaccharides
(2) Disaccharides
(3) Trisaccharides
(4) Polysaccharide
Answer: 1
24. What is the difference between epimers and enantiomers?
(1) Enantiomers are mirror images of each other whereas epimers are not mirror images of each other
(2) Enantiomers are optical isomers and Epimers are stereoisomers
(3) Both
(4) None of these
Answer: 3
25. Which class of carbohydrates is considered as non-sugar?
(1) Monosaccharides
(2) Disaccharides
(3) Polysaccharides
(4) Oligosaccharides
Answer: 3