1.3.3 Biomolecular Structures
Follow-Me – iQuiz
Q. Name the elements found in Fat.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
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Q. Vitamins are either water-soluble or …-soluble.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
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Q. Fats are composed of oxygen, hydrogen and ...
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
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Q. When an iodine solution is added to a food sample and
remains red-brown in colour, … is absent.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. When two monosaccharides unite they form a ...
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
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Q. Vitamin … is an example of a water-soluble vitamin.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
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Q. State a use of the Biuret test (copper sulphate and sodium
hydroxide solutions) in the biology laboratory.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. Give an example of a fat-soluble vitamin.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. State a use of Benedict’s (or Fehling’s) test in the biology
laboratory.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. Give an example of a reducing sugar.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. Give examples of a polysaccharide.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. Biomolecules of the general formula Cx(H2O)y are examples of
…
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. In carbohydrates, which two elements are in the ratio 2:1?
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
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Q. Cellulose is a polysaccharide. Explain the term polysaccharide.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. In the test for reducing sugar which of the following is
correct? 1. No heat needed; 2. Heat but do not boil; 3. Boil.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
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Q. 1. Name a monosaccharide. 2. Give its formula. 3. Name a
polysaccharide that can be formed from it.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. State a good source of a fat-soluble vitamin in the human diet.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. Fats are composed of fatty acids and …
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. What name is given to fats that are liquid at room
temperature?
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. Name a chemical element found in proteins that is not found
in carbohydrates.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
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Q. State two good sources of protein in the human diet.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
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Q. Proteins are digested to simpler substances. What are these
simpler substances called?
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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Q. Name the elements found in Carbohydrate.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
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Q. Apart from Carbon, Hydrogen, Oxygen and Nitrogen name
one other element that may be present in protein.
A: Carrots, E: Oils, nuts,
D: Dairy products, K: Liver
Nitrogen
Glucose; C6H12O6; Starch
Amino acids
Carbohydrate; Sugar;
Saccharide
Oils
Glucose; Maltose
Starch
Glycerol
Carbon
Carbon, Hydrogen,
Oxygen
Cellulose; Starch;
Glycogen; Chitin
Disaccharide
Fat
Sulphur
Heat but do not boil
Test for protein
Hydrogen and Oxygen
Test for reducing sugar
Lean meat; Fish; Eggs
Made up of many sugar
units
Vitamin A; D; E; K
Vitamin C; Vitamin B
CONGRATULATIONS
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