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Subjects · Leaving Cert Home Economics

Leaving Cert Home Economics: Carbohydrates

How often Carbohydrates comes up on the Home Economics papers, every year it was asked, and questions to try.

HL Asked on 7 of the last 10 Higher Level papers, most recently in 2026. most years

OL Asked on 8 of the last 10 Ordinary Level papers, most recently in 2026. most years

Carbohydrates, Higher Level(6 marks)

Quick ones on Carbohydrates.

(a)Elements found in carbohydrate?
  1. Carbon, hydrogen and nitrogen
  2. Carbon, hydrogen and oxygen
  3. Carbon, oxygen and sulphur
(b)Simplest unit of carbohydrate?
  1. Polysaccharide
  2. Disaccharide
  3. Monosaccharide
(c)Sugar found naturally in milk?
  1. Lactose
  2. Maltose
  3. Sucrose
Show the answers

(a) Carbon, hydrogen and oxygen

(b) Monosaccharide

(c) Lactose

Your turn: Higher Level questions on Carbohydrates.

Higher Level

Asked on 7 of the last 10 Higher Level papers, most recently in 2026. most years

Every paper, year by year

YearWhere it came up
2026A1, A4
2025A1
2024Q1
2023A2, A6
2022Not asked
2021A5
2019Not asked
2018Not asked
2017A2, Q1
2016Q1

Links open the State Examinations Commission’s paper for that year.

More Carbohydrates questions

Carbohydrates, 2 marks

Which of these sugars is the sweetest?

  1. Lactose
  2. Maltose
  3. Fructose
Show the answer

Fructose

Fructose, found in fruit and honey, is sweeter than sucrose. Lactose, the milk sugar, is one of the least sweet.

Carbohydrates, 3 marks

Chemical formula of glucose?

  1. C6H10O5
  2. C6H12O6
  3. C12H22O11
Show the answer

C6H12O6

C12H22O11 is a disaccharide such as sucrose. C6H10O5 is the repeating unit in starch, formed when glucose units join and lose water.

Ordinary Level

Asked on 8 of the last 10 Ordinary Level papers, most recently in 2026. most years

Every paper, year by year

YearWhere it came up
2026A1
2025A4
2024Q1
2023A7
2022Not asked
2021Not asked
2019Q1
2018A5
2017A2
2016A2

Links open the State Examinations Commission’s paper for that year.

More Carbohydrates questions

Carbohydrates, 2 marks

Main function of carbohydrate in the diet?

  1. Builds and repairs body cells
  2. Protects the body from infection
  3. Supplies the body with energy
Show the answer

Supplies the body with energy

Carbohydrate is the main fuel of the body. Starchy foods should make up a large part of every meal.

Carbohydrates, 2 marks

Which food is a good source of starch?

  1. Cream
  2. Potatoes
  3. Cheese
Show the answer

Potatoes

Potatoes, bread, rice and pasta are the main starchy foods. Cheese and cream supply fat and protein instead.

Carbohydrates, 2 marks

Which type of carbohydrate helps to prevent constipation?

  1. Fibre
  2. Sugar
  3. Starch
Show the answer

Fibre

Fibre is not digested. It adds bulk, holds water and keeps waste moving through the large intestine.

Other Home Economics topics

All of Leaving Cert Home Economics