John Loughlin
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Revision questions on Nutrition and food for the Irish Leaving Certificate Biology course

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John Loughlin
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Chapter 3 Nutrition/Food

Chapter 3 Nutrition/Food

Question 1 of 30

1

The six most common elements present in living organisms are:

Select one of the following:

  • Carbon, hydrogen , oxygen, sulphur, phosphorus, chlorine

  • Carbon, hydrogen, oxygen, nitrogen, phosphorus, sulphur

  • Carbon, hydrogen, oxygen, nitrogen, phosphorus, sodium

  • Carbon, hydrogen, oxygen, nitrogen, boron, phosphorus

Explanation

Question 2 of 30

1

Metabolism is:

Select one of the following:

  • The way in which living organisms obtain and use food

  • The getting rid of waste products of metabolism from the body

  • The way in which living organisms react to their environment

  • The sum of all the chemical reactions in a living organism

Explanation

Question 3 of 30

1

The five elements present as dissolved salts in living organisms are:

Select one of the following:

  • Sodium, potassium, carbon, chlorine, calcium

  • Sodium, potassium, chlorine, maganese, calcium

  • Sodium, potassium, chlorine, magnesium, calcium

  • Sodium, potassium, oxygen, chlorine, calcium

Explanation

Question 4 of 30

1

Trace elements are present in living organisms:

Select one of the following:

  • to prevent disease

  • to maintain health

  • in large amounts

  • in small amounts

Explanation

Question 5 of 30

1

Which of the following is NOT a monosaccharide?

Select one of the following:

  • Maltose

  • Glucose

  • Fructose

  • Galactose

Explanation

Question 6 of 30

1

Which of the following is NOT a disaccharide?

Select one of the following:

  • Maltose

  • Fructose

  • Sucrose

  • Lactose

Explanation

Question 7 of 30

1

Which of the following is NOT a polysaccharide?

Select one of the following:

  • Starch

  • Cellulose

  • Glycogen

  • Maltose

Explanation

Question 8 of 30

1

Which of the following is NOT a reducing sugar?

Select one of the following:

  • Maltose

  • Fructose

  • Sucrose

  • Glucose

Explanation

Question 9 of 30

1

Which of the following reagents are used to test for reducing sugars?

Select one of the following:

  • Biuret's reagent

  • Benedict's reagent

  • Iodine

  • Methylene blue

Explanation

Question 10 of 30

1

Which of the following is another name for starch?

Select one of the following:

  • Amylase

  • Maltose

  • Maltase

  • Amylose

Explanation

Question 11 of 30

1

Polysaccharides are composed of long chains of repeating:

Select one of the following:

  • Monosaccharides

  • Amino acids

  • Lipids

  • Nucleic acids

Explanation

Question 12 of 30

1

In the presence of starch, iodine turns:

Select one of the following:

  • Brick-red

  • Orange

  • Blue-black

  • Blue

Explanation

Question 13 of 30

1

Which of the following foods is a good source of starch?

Select one of the following:

  • Fish

  • Eggs

  • Potato

  • Chocolate

Explanation

Question 14 of 30

1

Phospholipids are a major component of:

Select one of the following:

  • DNA

  • Cell membranes

  • Cytosol

  • Cell walls

Explanation

Question 15 of 30

1

Peptide bonds are found between:

Select one of the following:

  • Monosaccharides

  • Glycerol and fatty acids

  • Amino acids

  • Vitamins

Explanation

Question 16 of 30

1

Which of the following elements is always present in protein?

Select one of the following:

  • Phosphorus

  • Sulphur

  • Nitrogen

  • Calcium

Explanation

Question 17 of 30

1

How many common amino acids are there?

Select one of the following:

  • 2

  • 20

  • 200

  • 2000

Explanation

Question 18 of 30

1

Which of the following vitamins is water soluble?

Select one of the following:

  • A

  • C

  • D

  • K

Explanation

Question 19 of 30

1

Which of the following elements is required for the formation of the middle lamella in plants?

Select one of the following:

  • Potassium

  • Sodium

  • Magnesium

  • Calcium

Explanation

Question 20 of 30

1

Which of the following elements is required for the formation of chlorophyll in plants?

Select one of the following:

  • Potassium

  • Sodium

  • Magnesium

  • Calcium

Explanation

Question 21 of 30

1

What is the symptoms associated with a deficiency in Vitamin C?

Select one of the following:

  • Night-blindness

  • Beri-beri

  • Scurvy

  • Rickets

Explanation

Question 22 of 30

1

What are the symptoms associated with a deficiency of Vitamin D?

Select one of the following:

  • Scurvy

  • Rickets

  • Beri beri

  • Night-blindness

Explanation

Question 23 of 30

1

What are the symptoms associated with a deficiency of Vitamin A?

Select one of the following:

  • Scurvy

  • Beri-beri

  • Night-blindness

  • Rickets

Explanation

Question 24 of 30

1

What are the symptoms associated with a deficiency of Vitamin K?

Select one of the following:

  • Night-blindness

  • Inability to blood clot

  • Anaemia

  • Fatigue

Explanation

Question 25 of 30

1

Anabolism is the:

Select one of the following:

  • Sum of all the chemical reactions in an organism

  • Building up large molecules from small molecules using energy

  • Breaking down large molecules into small molecules with the release of energy

  • Denaturation of molecules with the release of energy

Explanation

Question 26 of 30

1

Catabolism is the:

Select one of the following:

  • Sum of all the chemical reactions in an organism

  • Building up of large molecules from small molecules using energy

  • Breaking down of large molecules into small molecules with the release of energy

  • Denaturation of molecules with the release of energy

Explanation

Question 27 of 30

1

Which of the following is NOT an anabolic reaction?

Select one of the following:

  • Photosynthesis

  • Protein synthesis

  • DNA replication

  • Respiration

Explanation

Question 28 of 30

1

Which of the following is NOT a catabolic reaction?

Select one of the following:

  • Respiration

  • Digestion

  • Hydrolysis

  • Photosynthesis

Explanation

Question 29 of 30

1

Which of the following is the opposite of a hydrolysis reaction?

Select one of the following:

  • Photosynthesis reaction

  • Condensation reaction

  • Respiration reaction

  • Digestion reaction

Explanation

Question 30 of 30

1

Which of the following is NOT a function of water in the body?

Select one of the following:

  • Acts as a medium in which chemical reactions occur

  • Acts as a solvent

  • Acts as a source of energy

  • Acts as a good retainer of heat

Explanation

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