Quiz C4 - Nutrients

easy

Question 1 / 7

Which combination of chemical elements is present in carbohydrate molecules?

Carbon, hydrogen, nitrogen

Carbon, hydrogen, nitrogen, oxygen

Carbon, hydrogen, oxygen

easy

Question 2 / 7

Referring to the attached table, which tests are used to detect the presence of starch, reducing sugar, protein and fat in samples of food?

medium

Question 3 / 7

Which of the following monosaccharides make up sucrose?

Glucose and fructose

Glucose and glucose

Glucose and galactose

medium

Question 4 / 7

P, Q and R represent three types of nutrients. What are the respective end products of digestion of P, Q and R?

P : amino acids, Q : fatty acids and glycerol, R : glucose

P : glucose, Q : fatty acids and glycerol, R : amino acids

P : : fatty acids and glycerol, Q : amino acids, R : glucose

medium

Question 5 / 7

Nectar contains mainly sucrose and water while honey consists of glucose and fructose. Which of the following tests may be used to differentiate nectar and honey?

Benedict's test

Biuret test

Iodine test

hard

Question 6 / 7

Which of the following is not a function of water?

A reactant in photosynthesis

Required for respiration to occur

To keep plant cells turgid

medium

Question 7 / 7

A mixture of food gives the following results on testing :

A blue black colour with iodine
Orange red precipitate on Benedict's solution
Violet colouration on the Biuret test
Clear solution with Ethanol Emulsion test.

The mixture of food contains :

Starch and reducing sugar

Starch, reducing sugar and fat

Starch, reducing sugar and protein

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Quiz C4 - Nutrients

Which combination of chemical elements is present in carbohydrate molecules?

Referring to the attached table, which tests are used to detect the presence of starch, reducing sugar, protein and fat in samples of food?

Which of the following monosaccharides make up sucrose?

P, Q and R represent three types of nutrients. What are the respective end products of digestion of P, Q and R?

Nectar contains mainly sucrose and water while honey consists of glucose and fructose. Which of the following tests may be used to differentiate nectar and honey?

Which of the following is not a function of water?

A mixture of food gives the following results on testing :

A blue black colour with iodine
Orange red precipitate on Benedict's solution
Violet colouration on the Biuret test
Clear solution with Ethanol Emulsion test.

The mixture of food contains :

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Which combination of chemical elements is present in carbohydrate molecules?

Referring to the attached table, which tests are used to detect the presence of starch, reducing sugar, protein and fat in samples of food?

Which of the following monosaccharides make up sucrose?

P, Q and R represent three types of nutrients. What are the respective end products of digestion of P, Q and R?

Nectar contains mainly sucrose and water while honey consists of glucose and fructose. Which of the following tests may be used to differentiate nectar and honey?

Which of the following is not a function of water?

A mixture of food gives the following results on testing : A blue black colour with iodine Orange red precipitate on Benedict's solution Violet colouration on the Biuret test Clear solution with Ethanol Emulsion test. The mixture of food contains :

A mixture of food gives the following results on testing :

A blue black colour with iodine
Orange red precipitate on Benedict's solution
Violet colouration on the Biuret test
Clear solution with Ethanol Emulsion test.

The mixture of food contains :