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Subjects · Leaving Cert Biology

Leaving Cert Biology: Blood

How often Blood comes up on the Biology papers, every year it was asked, and questions to try.

HL Asked on 1 of the last 10 Higher Level papers, most recently in 2019.

OL Asked on 2 of the last 10 Ordinary Level papers, most recently in 2022.

June 2027 is the first exam on the new Biology course. These come from the 2016–2026 papers, so read them as a guide.

Blood, Higher Level(6 marks)

Quick ones on Blood.

(a)Liquid part of the blood?
  1. Haemoglobin
  2. Plasma
  3. Bile
(b)Universal donor ABO blood group?
  1. A
  2. AB
  3. O
(c)Cell fragments that help blood clot?
  1. Platelets
  2. Red blood cells
  3. Lymphocytes
Show the answers

(a) Plasma

(b) O

(c) Platelets

Your turn: Higher Level questions on Blood.

Higher Level

Asked on 1 of the last 10 Higher Level papers, most recently in 2019.

Every paper, year by year

YearWhere it came up
2026Not asked
2025Not asked
2024Not asked
2023Not asked
2022Not asked
2021Not asked
2019Q5
2018Not asked
2017Not asked
2016Not asked

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

Ordinary Level

Asked on 2 of the last 10 Ordinary Level papers, most recently in 2022.

Every paper, year by year

YearWhere it came up
2026Not asked
2025Not asked
2024Not asked
2023Not asked
2022Q17
2021Not asked
2019Not asked
2018Not asked
2017Not asked
2016Q14

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

More Blood questions

Blood, 2 marks

Which blood cell carries oxygen?

  1. The white blood cell
  2. The platelet
  3. The red blood cell
Show the answer

The red blood cell

Red cells are packed with haemoglobin and have no nucleus, leaving more room for oxygen. White cells fight infection instead.

Blood, 2 marks

Which protein in red blood cells carries oxygen?

  1. Fibrin
  2. Haemoglobin
  3. Insulin
Show the answer

Haemoglobin

Haemoglobin contains iron and joins with oxygen in the lungs, then releases it in the tissues.

Blood, 3 marks

Which part of the blood helps it to clot?

  1. Platelets
  2. Red blood cells
  3. Plasma proteins only
Show the answer

Platelets

Platelets are cell fragments that gather at a cut and start the clotting process, which seals the wound and blocks germs.

Other Biology topics

All of Leaving Cert Biology