Free Grade 10 Biology Worksheets with Answers

Grade 10 Cell Biology

Cell structure and the jobs of organelles such as the nucleus, cell membrane and mitochondria, plus plant vs animal cells.

e.g. Which part of the cell controls its activities and holds DNA?

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Grade 10 Microscope Magnification

Calculating total magnification and using microscope parts.

e.g. The eyepiece is 10× and the objective lens is 4×. What is the total magnification?

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Grade 10 Biomolecules

HS-LS1-6

Carbohydrates, lipids, proteins and nucleic acids, and how enzymes work.

e.g. Why are lipids good for long-term energy storage?

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Grade 10 Cell Transport & Homeostasis

HS-LS1-3

Diffusion, osmosis and active transport, and how cells keep stable conditions.

e.g. What is homeostasis?

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Grade 10 Photosynthesis & Respiration

HS-LS1-5

Photosynthesis and cellular respiration: their inputs, outputs and where each takes place in the cell.

e.g. What gas do plants take in for photosynthesis?

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Grade 10 Mitosis & Meiosis

HS-LS1-4

The stages of mitosis and meiosis and how the two kinds of cell division differ.

e.g. List the four phases of mitosis in order.

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Grade 10 DNA, RNA & Protein Synthesis

HS-LS1-1

DNA structure, base pairing, transcription and translation — including writing complementary strands.

e.g. What does DNA stand for?

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Grade 10 Punnett Squares & Crosses

HS-LS3-3

Predicting offspring with Punnett squares and working out genotype and phenotype ratios.

e.g. Cross YY × yy. What is the expected ratio of dominant to recessive phenotypes?

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Grade 10 Genetics Basics (Mixed)

HS-LS3-2

A mixed set on genetics vocabulary and Punnett square crosses.

e.g. What are the different forms of a gene called?

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Grade 10 Human Body Systems (Mixed)

HS-LS1-2

A mixed set on the circulatory, digestive, respiratory, skeletal and muscular systems.

e.g. What do the tiny hairs in your nose do?

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Grade 10 Circulatory System

The heart, blood and blood vessels — arteries, veins and capillaries — and how blood carries oxygen around the body.

e.g. What do we call the system of the heart, blood, and blood vessels together?

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Grade 10 Respiratory System

How we breathe: the lungs, trachea and diaphragm, and the exchange of oxygen and carbon dioxide.

e.g. What happens to the diaphragm when you breathe in?

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Grade 10 Digestive System

How food is broken down as it passes through the mouth, oesophagus, stomach and intestines.

e.g. Where does most nutrient absorption happen?

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Grade 10 Nervous System

The brain, spinal cord and nerves — how messages travel through the body, the parts of the brain, neurons and reflexes.

e.g. Which part of the brain controls balance and coordination?

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Grade 10 Energy Pyramids (10% Rule)

AdvancedHS-LS2-4

How only about 10% of energy passes to each level of a food chain.

e.g. Producers have 100,000 kJ of energy. About how much reaches the primary consumers?

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Grade 10 Population Ecology

AdvancedHS-LS2-1

Population growth, limiting factors, carrying capacity and biodiversity.

e.g. Logistic growth looks like what shape on a graph?

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Grade 10 Challenge: Think Like a Scientist

Challenge

Surprising questions and thought experiments that test real scientific reasoning.

e.g. Why does a metal ship float when a metal nail sinks?

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