5/16/25, 11:39 AM Pearson Edexcel GCSE Biology Specification Overview MOST RECENT COMPREHENSIVE QUESTIONS AND ANSWERS …
Scheduled maintenance: May 17, 2025 from 07:00 AM to 10:00 AM
Pearson Edexcel GCSE Biology Specification
Overview MOST RECENT COMPREHENSIVE
QUESTIONS AND ANSWERS GRADED |100%
CORRECT!!
Save
Terms in this set (298)
What are the Cells, which may be part of highly adapted
fundamental units of structures like tissues, organs, and organ systems.
living organisms?
How do living organisms They form populations, communities, and interact
interact within with the environment and humans.
ecosystems?
What is the significance It allows green plants and algae to fix carbon
of photosynthesis in life dioxide and produce organic compounds and
on Earth? oxygen.
What role do organic They are used as fuels in cellular respiration for
compounds play in living necessary chemical reactions.
organisms?
How do chemicals cycle They continually cycle through the natural world.
in ecosystems?
What influences the Its genome and interaction with the environment.
characteristics of a living
organism?
https://quizlet.com/1044745191/pearson-edexcel-gcse-biology-specification-overview-most-recent-comprehensive-questions-and-answers-grade… 1/28
,5/16/25, 11:39 AM Pearson Edexcel GCSE Biology Specification Overview MOST RECENT COMPREHENSIVE QUESTIONS AND ANSWERS …
What process accounts Evolution by natural selection.
for biodiversity and the
relationships among
organisms?
What are the main sub- Nucleus, cell membrane, mitochondria, and
cellular structures found ribosomes.
in animal cells?
What additional Cell wall, chloroplasts, and vacuole.
structures are present in
plant cells compared to
animal cells?
What are the key sub- Chromosomal DNA, plasmid DNA, cell membrane,
cellular structures found ribosomes, and flagella.
in bacteria?
How are sperm cells They have an acrosome, haploid nucleus,
specialized for their mitochondria, and a tail.
function?
What adaptations do egg Nutrients in the cytoplasm, a haploid nucleus, and
cells have to support changes in the cell membrane after fertilization.
their function?
What is a key feature of They have cilia that help move substances across
ciliated epithelial cells? their surface.
How has electron It allows us to see cell structures and organelles
microscopy improved our with more clarity and detail.
understanding of cell
structures?
What is the mechanism of Enzymes work by binding to substrates at the active
enzyme action? site, leading to a chemical reaction.
What can cause enzymes Changes in temperature, pH, or substrate
to become denatured? concentration that alter the shape of the active site.
How do temperature and They can increase or decrease the rate of enzyme
pH affect enzyme reactions depending on optimal conditions.
activity?
https://quizlet.com/1044745191/pearson-edexcel-gcse-biology-specification-overview-most-recent-comprehensive-questions-and-answers-grade… 2/28
, 5/16/25, 11:39 AM Pearson Edexcel GCSE Biology Specification Overview MOST RECENT COMPREHENSIVE QUESTIONS AND ANSWERS …
What is the importance They facilitate the synthesis and breakdown of
of enzymes as biological carbohydrates, proteins, lipids, sugars, amino acids,
catalysts? fatty acids, and glycerol.
What are some chemical Reagents for starch, reducing sugars, proteins, and
reagents used to identify fats.
biological
macromolecules?
How can the energy in Using calorimetry.
food be measured?
What are the three main Diffusion, osmosis, and active transport.
methods of substance
transport into and out of
cells?
What is a core practical Investigating osmosis in potatoes.
related to osmosis?
How do you calculate By comparing the initial and final mass of the
percentage gain and loss specimen.
of mass in osmosis?
What are the stages of Interphase, prophase, metaphase, anaphase,
mitosis in the cell cycle? telophase, and cytokinesis.
What is the importance Mitosis is important for growth, repair, and asexual
of mitosis? reproduction.
Two daughter cells, each with identical sets of
What is produced during
chromosomes to the parent cell, resulting in two
mitosis?
genetically identical diploid body cells.
What causes cancer in Cancer is caused by changes in cells that lead to
relation to cell division? uncontrolled cell division.
How does cell division In animals, it involves cell division and
differ in animals and differentiation; in plants, it involves cell division,
plants? elongation, and differentiation.
Why is cell differentiation It is crucial for the development of specialized cells.
important?
What are percentiles To monitor growth.
charts used for?
https://quizlet.com/1044745191/pearson-edexcel-gcse-biology-specification-overview-most-recent-comprehensive-questions-and-answers-grade… 3/28
Scheduled maintenance: May 17, 2025 from 07:00 AM to 10:00 AM
Pearson Edexcel GCSE Biology Specification
Overview MOST RECENT COMPREHENSIVE
QUESTIONS AND ANSWERS GRADED |100%
CORRECT!!
Save
Terms in this set (298)
What are the Cells, which may be part of highly adapted
fundamental units of structures like tissues, organs, and organ systems.
living organisms?
How do living organisms They form populations, communities, and interact
interact within with the environment and humans.
ecosystems?
What is the significance It allows green plants and algae to fix carbon
of photosynthesis in life dioxide and produce organic compounds and
on Earth? oxygen.
What role do organic They are used as fuels in cellular respiration for
compounds play in living necessary chemical reactions.
organisms?
How do chemicals cycle They continually cycle through the natural world.
in ecosystems?
What influences the Its genome and interaction with the environment.
characteristics of a living
organism?
https://quizlet.com/1044745191/pearson-edexcel-gcse-biology-specification-overview-most-recent-comprehensive-questions-and-answers-grade… 1/28
,5/16/25, 11:39 AM Pearson Edexcel GCSE Biology Specification Overview MOST RECENT COMPREHENSIVE QUESTIONS AND ANSWERS …
What process accounts Evolution by natural selection.
for biodiversity and the
relationships among
organisms?
What are the main sub- Nucleus, cell membrane, mitochondria, and
cellular structures found ribosomes.
in animal cells?
What additional Cell wall, chloroplasts, and vacuole.
structures are present in
plant cells compared to
animal cells?
What are the key sub- Chromosomal DNA, plasmid DNA, cell membrane,
cellular structures found ribosomes, and flagella.
in bacteria?
How are sperm cells They have an acrosome, haploid nucleus,
specialized for their mitochondria, and a tail.
function?
What adaptations do egg Nutrients in the cytoplasm, a haploid nucleus, and
cells have to support changes in the cell membrane after fertilization.
their function?
What is a key feature of They have cilia that help move substances across
ciliated epithelial cells? their surface.
How has electron It allows us to see cell structures and organelles
microscopy improved our with more clarity and detail.
understanding of cell
structures?
What is the mechanism of Enzymes work by binding to substrates at the active
enzyme action? site, leading to a chemical reaction.
What can cause enzymes Changes in temperature, pH, or substrate
to become denatured? concentration that alter the shape of the active site.
How do temperature and They can increase or decrease the rate of enzyme
pH affect enzyme reactions depending on optimal conditions.
activity?
https://quizlet.com/1044745191/pearson-edexcel-gcse-biology-specification-overview-most-recent-comprehensive-questions-and-answers-grade… 2/28
, 5/16/25, 11:39 AM Pearson Edexcel GCSE Biology Specification Overview MOST RECENT COMPREHENSIVE QUESTIONS AND ANSWERS …
What is the importance They facilitate the synthesis and breakdown of
of enzymes as biological carbohydrates, proteins, lipids, sugars, amino acids,
catalysts? fatty acids, and glycerol.
What are some chemical Reagents for starch, reducing sugars, proteins, and
reagents used to identify fats.
biological
macromolecules?
How can the energy in Using calorimetry.
food be measured?
What are the three main Diffusion, osmosis, and active transport.
methods of substance
transport into and out of
cells?
What is a core practical Investigating osmosis in potatoes.
related to osmosis?
How do you calculate By comparing the initial and final mass of the
percentage gain and loss specimen.
of mass in osmosis?
What are the stages of Interphase, prophase, metaphase, anaphase,
mitosis in the cell cycle? telophase, and cytokinesis.
What is the importance Mitosis is important for growth, repair, and asexual
of mitosis? reproduction.
Two daughter cells, each with identical sets of
What is produced during
chromosomes to the parent cell, resulting in two
mitosis?
genetically identical diploid body cells.
What causes cancer in Cancer is caused by changes in cells that lead to
relation to cell division? uncontrolled cell division.
How does cell division In animals, it involves cell division and
differ in animals and differentiation; in plants, it involves cell division,
plants? elongation, and differentiation.
Why is cell differentiation It is crucial for the development of specialized cells.
important?
What are percentiles To monitor growth.
charts used for?
https://quizlet.com/1044745191/pearson-edexcel-gcse-biology-specification-overview-most-recent-comprehensive-questions-and-answers-grade… 3/28
