Question regarding Topic 3 can be found in the following past papers of:
1) International A Level Syllabus 2018
Question
Month Year Unit Question Theme Description of the Question
Number
Lactase and Lactose Studying the hydrolysis of lactose
January 2020 1 3
Hydrolysis by lactase and its energy changes.
Embryonic Stages of embryonic development,
January 2020 2 2
Development use of pluripotent stem cells
Mitotic index in tendrils, functions
January 2020 2 4 Plant Cell Division
of tendrils in pea plants
Calculating size differences and
Harvest Mouse
January 2021 2 4 discussing embryonic development
Adaptations
in mice compared to humans.
Preparing and examining human
Microscopy of cheek cells, cell dimensions,
January 2021 3 1
Human Cheek Cells haemoglobin molecule volume,
plant vs. human red blood cells
DNA Structure and Structure of nucleotide pairs, DNA
January 2022 1 3
Replication replication rate and process
Cell membrane transport processes,
Cell Membrane
January 2022 1 6 osmosis definition, changes in
Transport
mitten crab cells in seawater
Cell Cycle and Analysis of DNA content in cell cycle
January 2022 2 4
Mitosis stages.
Questions about cell division
June 2019 2 3 Meiosis and Mitosis processes, including crossing over
in meiosis and stages of mitosis.
Sperm Cell Questions about the structure and
June 2019 2 7 Specialization and function of sperm cells and the
Fertilization process of fertilization in mammals.
Examining the effect of pH on the
Enzyme Activity and
June 2019 3 3 activity of the enzyme urease and
pH
its reaction with urea.
Examining gene loci, chromosome
Genetics and Cell
June 2021 2 3 behavior during cell division, and
Division
the process of meiosis.
Analyzing various mating and
Reproductive reproductive strategies in different
June 2021 2 6
Strategies organisms and their genetic
implications.
, Question
Month Year Unit Question Theme Description of the Question
Number
Investigating habituation in
Habituation in
June 2021 5 5 medicinal leeches and the response
Animals
of fiddler crabs to predators.
Planning an investigation on the
Aplysia's Gills Reflex reflex action of sea slug gills,
June 2021 6 3
Action including preliminary work and
method development.
Questions about the structure of
Hair Protein
June 2022 1 5 hair protein and polypeptide
Structure
changes at different temperatures.
Questions about the definition of
Organ Systems and
June 2022 2 1 organ systems and gametes, and
Gametes
their functions.
Questions about the genetics of
Genetics in Sweet sweet pea plants, including pollen
June 2022 2 7
Pea Plants grain characteristics and the role of
meiosis in inheritance.
Amoeba Transport Identifying features of transport
October 2019 1 5
Mechanisms mechanisms in amoeba.
Discusses the size variation in egg
October 2019 2 2 Egg Cells Variation cells across species and involves
calculations related to cell volume.
Observation of Procedure for observing mitosis in
October 2019 3 2
Mitosis garlic root tips.
Involves identifying stages of cell
division, explaining DNA content
October 2020 2 3 Cell Division changes during cell cycles, and
differences between mitosis and
meiosis.
Questions about starch as an
Plant Biology and energy storage molecule and
October 2020 6 1
Starch experiments to compare water
potential in different tubers.
Identifying organelles, explaining
October 2021 2 1 Cell Structure cell enlargement, and rough
endoplasmic reticulum
Reproductive Nematode reproduction, histone
October 2021 2 7
Strategies modification in embryos
Egg cell specialization, cell division
Egg Cell
October 2021 2 8 in fish, statistical analysis of chicken
Specialization
egg mass
1) International A Level Syllabus 2018
Question
Month Year Unit Question Theme Description of the Question
Number
Lactase and Lactose Studying the hydrolysis of lactose
January 2020 1 3
Hydrolysis by lactase and its energy changes.
Embryonic Stages of embryonic development,
January 2020 2 2
Development use of pluripotent stem cells
Mitotic index in tendrils, functions
January 2020 2 4 Plant Cell Division
of tendrils in pea plants
Calculating size differences and
Harvest Mouse
January 2021 2 4 discussing embryonic development
Adaptations
in mice compared to humans.
Preparing and examining human
Microscopy of cheek cells, cell dimensions,
January 2021 3 1
Human Cheek Cells haemoglobin molecule volume,
plant vs. human red blood cells
DNA Structure and Structure of nucleotide pairs, DNA
January 2022 1 3
Replication replication rate and process
Cell membrane transport processes,
Cell Membrane
January 2022 1 6 osmosis definition, changes in
Transport
mitten crab cells in seawater
Cell Cycle and Analysis of DNA content in cell cycle
January 2022 2 4
Mitosis stages.
Questions about cell division
June 2019 2 3 Meiosis and Mitosis processes, including crossing over
in meiosis and stages of mitosis.
Sperm Cell Questions about the structure and
June 2019 2 7 Specialization and function of sperm cells and the
Fertilization process of fertilization in mammals.
Examining the effect of pH on the
Enzyme Activity and
June 2019 3 3 activity of the enzyme urease and
pH
its reaction with urea.
Examining gene loci, chromosome
Genetics and Cell
June 2021 2 3 behavior during cell division, and
Division
the process of meiosis.
Analyzing various mating and
Reproductive reproductive strategies in different
June 2021 2 6
Strategies organisms and their genetic
implications.
, Question
Month Year Unit Question Theme Description of the Question
Number
Investigating habituation in
Habituation in
June 2021 5 5 medicinal leeches and the response
Animals
of fiddler crabs to predators.
Planning an investigation on the
Aplysia's Gills Reflex reflex action of sea slug gills,
June 2021 6 3
Action including preliminary work and
method development.
Questions about the structure of
Hair Protein
June 2022 1 5 hair protein and polypeptide
Structure
changes at different temperatures.
Questions about the definition of
Organ Systems and
June 2022 2 1 organ systems and gametes, and
Gametes
their functions.
Questions about the genetics of
Genetics in Sweet sweet pea plants, including pollen
June 2022 2 7
Pea Plants grain characteristics and the role of
meiosis in inheritance.
Amoeba Transport Identifying features of transport
October 2019 1 5
Mechanisms mechanisms in amoeba.
Discusses the size variation in egg
October 2019 2 2 Egg Cells Variation cells across species and involves
calculations related to cell volume.
Observation of Procedure for observing mitosis in
October 2019 3 2
Mitosis garlic root tips.
Involves identifying stages of cell
division, explaining DNA content
October 2020 2 3 Cell Division changes during cell cycles, and
differences between mitosis and
meiosis.
Questions about starch as an
Plant Biology and energy storage molecule and
October 2020 6 1
Starch experiments to compare water
potential in different tubers.
Identifying organelles, explaining
October 2021 2 1 Cell Structure cell enlargement, and rough
endoplasmic reticulum
Reproductive Nematode reproduction, histone
October 2021 2 7
Strategies modification in embryos
Egg cell specialization, cell division
Egg Cell
October 2021 2 8 in fish, statistical analysis of chicken
Specialization
egg mass
