Ceist Eile

Ceist Eile is in development. Features, questions and prices may change while we refine it.

Junior Cycle · Junior Cycle Science

Junior Cycle Science: Human health & micro-organisms

How often Human health & micro-organisms comes up on the Science papers, every year it was asked, and questions to try.

CL Asked on 4 of the last 6 Common Level papers, most recently in 2025. most years

Human health & micro-organisms, Common Level(7 marks)

Quick ones on Human health & micro-organisms.

(a)Which nutrient is mainly needed for growth and repair of the body?
  1. Carbohydrate
  2. Protein
  3. Fibre
(b)Which micro-organism is used to make bread rise?
  1. Algae
  2. A virus
  3. Yeast
(c)Antibiotics can be used to treat infections caused by?
  1. Bacteria
  2. All micro-organisms
  3. Viruses
Show the answers

(a) Protein

(b) Yeast

(c) Bacteria

Your turn: Common Level questions on Human health & micro-organisms.

Common Level

Asked on 4 of the last 6 Common Level papers, most recently in 2025. most years

Every paper, year by year

YearWhere it came up
2026Not asked
2025Q3
2024Not asked
2023Q14, Q15
2022Q14
2019Q14

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

More Human health & micro-organisms questions

Human health & micro-organisms, 3 marks

Which health condition is inherited rather than caused by lifestyle?

  1. Lung damage from smoking
  2. Tooth decay from sweets
  3. Cystic fibrosis
Show the answer

Cystic fibrosis

Cystic fibrosis is passed on through genes from both parents. Lung damage and tooth decay come from lifestyle choices (environmental factors) and can be reduced.

Human health & micro-organisms, 2 marks

Which lifestyle choice most damages the lungs?

  1. Eating fibre
  2. Smoking
  3. Swimming
Show the answer

Smoking

Tobacco smoke contains tar, which coats the airways and alveoli, and chemicals that cause lung cancer. Nicotine is addictive, so it is best never to start.

Other Science topics

All of Junior Cycle Science