Directory Biology Papers
IB IBO May 2025 0 Total Marks

QP-202505-Biology-P1A(TZ3)-HL

40 questions in this paper. Sign in to the PaperAce App to view mark schemes and download high-resolution A4 PDFs.

Questions in this Paper

Question 1
View Full Question & Mark Scheme →
Question 2
#cell #biology #nucleic #acids #genetics
View Full Question & Mark Scheme →
Question 3
#cell #biology #biological #molecules #circulation #gas #exchange
View Full Question & Mark Scheme →
Question 4
#biological #molecules #nucleic #acids #genetics
View Full Question & Mark Scheme →
Question 5
#enzymes
View Full Question & Mark Scheme →
Question 6
#enzymes #calculate
View Full Question & Mark Scheme →
Question 7
#circulation #gas #exchange #immunity #disease #photosynthesis
View Full Question & Mark Scheme →
Question 8
#photosynthesis
View Full Question & Mark Scheme →
Question 9
#experiment
View Full Question & Mark Scheme →
Question 10
#biological #molecules #nucleic #acids #genetics
View Full Question & Mark Scheme →
Question 11
#cell #biology #nucleic #acids #genetics
View Full Question & Mark Scheme →
Question 12
#cell #biology #immunity #disease
View Full Question & Mark Scheme →
Question 13
#nucleic #acids #genetics
View Full Question & Mark Scheme →
Question 14
#cell #biology #biological #molecules
View Full Question & Mark Scheme →
Question 15
#cell #biology #circulation #gas #exchange
View Full Question & Mark Scheme →
Question 16
#cell #biology #reproduction
View Full Question & Mark Scheme →
Question 17
#nervous #system
View Full Question & Mark Scheme →
Question 18
#cell #biology #nervous #system
View Full Question & Mark Scheme →
Question 19
#cell #biology #nucleic #acids #genetics
View Full Question & Mark Scheme →
Question 20
#cell #biology #transport #in #cells
View Full Question & Mark Scheme →
Question 21
#evolution #classification #ecology
View Full Question & Mark Scheme →
Question 22
#nucleic #acids #genetics #evolution #classification
View Full Question & Mark Scheme →
Question 23
View Full Question & Mark Scheme →
Question 24
#cell #biology #circulation #gas #exchange
View Full Question & Mark Scheme →
Question 25
#circulation #gas #exchange
View Full Question & Mark Scheme →
Question 26
#cell #biology #circulation #gas #exchange
View Full Question & Mark Scheme →
Question 27
#cell #biology #circulation #gas #exchange #immunity #disease
View Full Question & Mark Scheme →
Question 28
#cell #biology #nucleic #acids #genetics #immunity #disease
View Full Question & Mark Scheme →
Question 29
#cell #biology #biological #molecules #circulation #gas #exchange
View Full Question & Mark Scheme →
Question 30
#cell #biology #cell #division #reproduction
View Full Question & Mark Scheme →
Question 31
#nucleic #acids #genetics #evolution #classification
View Full Question & Mark Scheme →
Question 32
#biological #molecules #circulation #gas #exchange #digestion #homeostasis
View Full Question & Mark Scheme →
Question 33
#cell #biology #evolution #classification #nervous #system
View Full Question & Mark Scheme →
Question 34
#cell #biology #ecology
View Full Question & Mark Scheme →
Question 35
#evolution #classification #ecology
View Full Question & Mark Scheme →
Question 36
#photosynthesis #respiration
View Full Question & Mark Scheme →
Question 37
#ecology #biostatistics
View Full Question & Mark Scheme →
Question 38
#evolution #classification #ecology
View Full Question & Mark Scheme →
Question 39
#nucleic #acids #genetics #ecology
View Full Question & Mark Scheme →
Question 40
View Full Question & Mark Scheme →