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Leaving Cert Biology: Plant responses

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

HL Asked on 9 of the last 10 Higher Level papers, most recently in 2026. banker

OL Asked on 3 of the last 10 Ordinary Level papers, most recently in 2025.

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

Plant responses, Higher Level(2 marks)

Quick ones on Plant responses.

(a)Proteins that protect plant enzymes at high temperatures?

Show the answers

(a) Heat-shock proteins

Your turn: Higher Level questions on Plant responses.

Higher Level

Asked on 9 of the last 10 Higher Level papers, most recently in 2026. banker

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

Asked on 3 of the last 10 Ordinary Level papers, most recently in 2025.

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