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Class 11
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Detection of Carbohydrates, Proteins and Fats
Detection of Carbohydrates, Proteins and Fats
Theory
Theory
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1)
What organic compounds make up carbohydrates?
Nitrogen
Oxygen
Carbon, nitrogen and oxygen
Carbon, hydrogen and oxygen
2)
What are the simplest carbohydrates?
Disaccharides
Monosaccharides
Polysaccharides
Oligosaccharides
3)
Carbohydrates, made up of large number of monosaccharide units are called _________.
Glucose
Polysaccharides
Fructose
Disaccharides
4)
Which test is used to detect the presence of glucose in food?
Iodine test
Benedict’s test
Xanthoproteic test
Sudan test
5)
Which test is used to detect the presence of starch in food?
Heller’s test
Xanthoproteic test
Sudan test
Iodine test
6)
Name the type of bond linked between amino acid units in a protein.
Glycocylic bonds
Peptide linkages
Hydrogen bonds
Glucose linkages
7)
Which test is used to detect the presence of protein in food?
Sudan test
Biuret test
Benedict’s test.
Fehling’s test
8)
Fats are complex molecules made up of ___________and __________.
Fatty acids, amino acids
Fatty acids, glycerol
Fatty acids, phosphorous
Amino acids, glycerol
9)
Which test is used to detect the presence of fat in food?
Benedict’s test.
Biuret test
Fehling’s test
Sudan III test
10)
On adding Sudan III in a fat contained food, what does it show?
Yellow droplets.
Green droplets.
Blue droplets.
Pink droplets.
Cite this Simulator:
amrita.olabs.edu.in,. (2014). Detection of Carbohydrates, Proteins and Fats. Retrieved 23 May 2022, from amrita.olabs.edu.in/?sub=79&brch=17&sim=205&cnt=454