Question regarding Topic 5 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
Comparative study of gas exchange
Gas Exchange in
January 2019 1 8 and metabolic rates in elephants
Animals
and mice.
Effects of detergent and
Cell Membrane temperature on beetroot cell
January 2020 3 3
Permeability membranes, light transmission
through betalain solution
Investigating photosynthesis
Photosynthesis and
January 2020 4 1 processes and how they relate to
Biomass Distribution
biomass distribution in a forest.
Analyzing the changes in mean
Climate Change
January 2020 4 3 temperature of the Earth's surface
Analysis
and its implications.
Seaweed Analyzing the chloroplast pigments
January 2020 4 7 Composition and in different types of seaweeds and
Photosynthesis their role in photosynthesis.
Effects of smoking on lung cancer,
January 2021 1 6 Gas Exchange emphysema and gas exchange, gas
exchange in bird embryos
Investigating the impact of climate
Climate Change and
January 2021 4 4 change on the distribution of
Species Distribution
species.
Temperature and Studying the effect of temperature
January 2021 4 5
Beetle Reproduction on the reproduction of beetles.
Light-dependent Understanding the role of light
January 2021 4 6 Reactions in energy in the light-dependent
Photosynthesis reactions of photosynthesis.
Investigating the enzyme activity in
Enzyme Activity and
January 2021 4 8 quince browning and the effects of
Quince Browning
temperature.
Absorption spectra of chloroplast
January 2022 4 2 Photosynthesis pigments and the role of different
chlorophylls in photosynthesis.
Analysis of photosynthesis in
Photosynthesis and different plants at varying
January 2022 4 6
Climate temperatures, and its relation to
climate factors.
, Question
Month Year Unit Question Theme Description of the Question
Number
Investigating the effect of sucrose
June 2019 3 1 Pollen Germination concentration on the germination
of pollen grains.
Focusing on the structure and
Golgi Apparatus and
June 2021 2 5 functions of the Golgi apparatus in
Cell Function
different cell types.
Studying the effects of boric acid
Pollen Grain concentration on pollen grain
June 2021 3 3
Germination germination and pollen tube
growth.
Comparing and contrasting the
June 2021 4 2 Organelle Structures structure of chloroplasts and
mitochondria.
Ecosystem Energy Energy in trophic levels involving
June 2021 4 3
Transfer lions, giraffes, and acacia trees.
Speciation in lemurs from
June 2021 4 4 Lemur Evolution
Madagascar.
The carbon cycle and
June 2021 4 6 Carbon Cycle
anthropogenic climate change.
Examining the response of animals
Light Response in and plants to light, including human
June 2021 5 7
Animals and Plants eye adaptation and seed
germination in plantains.
Analysis of starch content in
Starch Content in
June 2022 3 3 different potato varieties and its
Potatoes
implications on cooking properties.
Study of changes in starch content
Starch Content in
June 2022 3 4 in bananas during storage and its
Bananas
effects.
Questions about energy content in
Energy Flow in Food different trophic levels of a food
June 2022 4 5
Chains chain and the role of
microorganisms in recycling carbon.
Questions about the effects of
Volcanic Eruptions volcanic eruptions on ecosystems
June 2022 4 8
and Succession and environmental temperature
changes.
Planning an investigation on
Mung Bean Seedling
June 2022 6 4 respiratory quotient changes in
Respiration
mung bean seedlings.
, Question
Month Year Unit Question Theme Description of the Question
Number
Focuses on meiosis stages where
genetic variation occurs,
explanations for gamete allele
October 2020 2 7 Genetic Variation
combination percentages, and
protein synthesis from RNA
transcripts.
Questions about the light-
dependent and light-independent
Photosynthesis and
October 2020 4 1 reactions in photosynthesis,
Chloroplasts
chloroplast structure, and pigment
separation.
Questions about bond energy in
Photosynthesis and
October 2020 4 3 photosynthesis and glucose
Energy Transfer
formation.
Planning an investigation to test the
Aquatic Plant hypothesis on photosynthesis rate
October 2020 6 3
Growth in relation to light intensity in
Cabomba plants.
Structure of chloroplast,
Photosynthesis and magnification calculation,
October 2021 4 1
Cell Division membrane comparison, chloroplast
DNA replication
Decomposition in different
Climate Change and
October 2021 4 7 ecosystems, climate change
Ecosystems
implications
Investigating the effect of light
Photosynthesis in wavelengths on photosynthesis rate
October 2021 6 1
Elodea in Elodea canadensis, features of
grana enabling photosynthesis
Examining the principles of gas
Gas Exchange and exchange, including the factors
October 2022 1 5
Diffusion affecting diffusion and adaptations
of mammalian lungs.
Exploring the effects of storage
Vitamin C in Plant
October 2022 3 1 time and temperature on vitamin C
Foods
concentration in various foods.
Understanding the reactions in
chloroplasts during photosynthesis
October 2022 4 3 Chloroplast Function
and comparing chloroplast
membranes.
1) International A Level Syllabus 2018
Question
Month Year Unit Question Theme Description of the Question
Number
Comparative study of gas exchange
Gas Exchange in
January 2019 1 8 and metabolic rates in elephants
Animals
and mice.
Effects of detergent and
Cell Membrane temperature on beetroot cell
January 2020 3 3
Permeability membranes, light transmission
through betalain solution
Investigating photosynthesis
Photosynthesis and
January 2020 4 1 processes and how they relate to
Biomass Distribution
biomass distribution in a forest.
Analyzing the changes in mean
Climate Change
January 2020 4 3 temperature of the Earth's surface
Analysis
and its implications.
Seaweed Analyzing the chloroplast pigments
January 2020 4 7 Composition and in different types of seaweeds and
Photosynthesis their role in photosynthesis.
Effects of smoking on lung cancer,
January 2021 1 6 Gas Exchange emphysema and gas exchange, gas
exchange in bird embryos
Investigating the impact of climate
Climate Change and
January 2021 4 4 change on the distribution of
Species Distribution
species.
Temperature and Studying the effect of temperature
January 2021 4 5
Beetle Reproduction on the reproduction of beetles.
Light-dependent Understanding the role of light
January 2021 4 6 Reactions in energy in the light-dependent
Photosynthesis reactions of photosynthesis.
Investigating the enzyme activity in
Enzyme Activity and
January 2021 4 8 quince browning and the effects of
Quince Browning
temperature.
Absorption spectra of chloroplast
January 2022 4 2 Photosynthesis pigments and the role of different
chlorophylls in photosynthesis.
Analysis of photosynthesis in
Photosynthesis and different plants at varying
January 2022 4 6
Climate temperatures, and its relation to
climate factors.
, Question
Month Year Unit Question Theme Description of the Question
Number
Investigating the effect of sucrose
June 2019 3 1 Pollen Germination concentration on the germination
of pollen grains.
Focusing on the structure and
Golgi Apparatus and
June 2021 2 5 functions of the Golgi apparatus in
Cell Function
different cell types.
Studying the effects of boric acid
Pollen Grain concentration on pollen grain
June 2021 3 3
Germination germination and pollen tube
growth.
Comparing and contrasting the
June 2021 4 2 Organelle Structures structure of chloroplasts and
mitochondria.
Ecosystem Energy Energy in trophic levels involving
June 2021 4 3
Transfer lions, giraffes, and acacia trees.
Speciation in lemurs from
June 2021 4 4 Lemur Evolution
Madagascar.
The carbon cycle and
June 2021 4 6 Carbon Cycle
anthropogenic climate change.
Examining the response of animals
Light Response in and plants to light, including human
June 2021 5 7
Animals and Plants eye adaptation and seed
germination in plantains.
Analysis of starch content in
Starch Content in
June 2022 3 3 different potato varieties and its
Potatoes
implications on cooking properties.
Study of changes in starch content
Starch Content in
June 2022 3 4 in bananas during storage and its
Bananas
effects.
Questions about energy content in
Energy Flow in Food different trophic levels of a food
June 2022 4 5
Chains chain and the role of
microorganisms in recycling carbon.
Questions about the effects of
Volcanic Eruptions volcanic eruptions on ecosystems
June 2022 4 8
and Succession and environmental temperature
changes.
Planning an investigation on
Mung Bean Seedling
June 2022 6 4 respiratory quotient changes in
Respiration
mung bean seedlings.
, Question
Month Year Unit Question Theme Description of the Question
Number
Focuses on meiosis stages where
genetic variation occurs,
explanations for gamete allele
October 2020 2 7 Genetic Variation
combination percentages, and
protein synthesis from RNA
transcripts.
Questions about the light-
dependent and light-independent
Photosynthesis and
October 2020 4 1 reactions in photosynthesis,
Chloroplasts
chloroplast structure, and pigment
separation.
Questions about bond energy in
Photosynthesis and
October 2020 4 3 photosynthesis and glucose
Energy Transfer
formation.
Planning an investigation to test the
Aquatic Plant hypothesis on photosynthesis rate
October 2020 6 3
Growth in relation to light intensity in
Cabomba plants.
Structure of chloroplast,
Photosynthesis and magnification calculation,
October 2021 4 1
Cell Division membrane comparison, chloroplast
DNA replication
Decomposition in different
Climate Change and
October 2021 4 7 ecosystems, climate change
Ecosystems
implications
Investigating the effect of light
Photosynthesis in wavelengths on photosynthesis rate
October 2021 6 1
Elodea in Elodea canadensis, features of
grana enabling photosynthesis
Examining the principles of gas
Gas Exchange and exchange, including the factors
October 2022 1 5
Diffusion affecting diffusion and adaptations
of mammalian lungs.
Exploring the effects of storage
Vitamin C in Plant
October 2022 3 1 time and temperature on vitamin C
Foods
concentration in various foods.
Understanding the reactions in
chloroplasts during photosynthesis
October 2022 4 3 Chloroplast Function
and comparing chloroplast
membranes.
