Free Grade 11 Biology Worksheets with Answers

Grade 11 Biomolecules

HS-LS1-6

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

e.g. What do enzymes do?

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Grade 11 DNA, RNA & Protein Synthesis

HS-LS1-1

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

e.g. How many bases make one codon?

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Grade 11 Mitosis & Meiosis

HS-LS1-4

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

e.g. What do we call a cell with one set of chromosomes, like a gamete?

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Grade 11 Genetics Vocabulary

HS-LS3-1

Key genetics terms: gene, allele, dominant, recessive, genotype and phenotype.

e.g. What do we call an organism with two identical alleles for a trait?

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Grade 11 Punnett Squares & Crosses

HS-LS3-3

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

e.g. Cross WW × ww. What percentage of offspring are expected to show the dominant trait?

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Grade 11 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 11 Natural Selection & Adaptation

HS-LS4-4

Variation, mutation and natural selection, and how populations change over generations.

e.g. Give an example of artificial selection.

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Grade 11 Classification & Taxonomy

HS-LS4-1

Domains, kingdoms and scientific names, and how organisms are classified.

e.g. Which kingdom includes mushrooms?

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Grade 11 Energy Pyramids (10% Rule)

HS-LS2-4

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

e.g. Producers have 2,000 kJ of energy. About how much reaches the secondary consumers?

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Grade 11 Photosynthesis & Respiration

HS-LS1-5

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

e.g. What sugar is made during photosynthesis?

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Grade 11 Population Ecology

HS-LS2-1

Population growth, limiting factors, carrying capacity and biodiversity.

e.g. What is a population?

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Grade 11 Advanced Biology (Mixed)

Advanced

A mixed set on photosynthesis, cellular respiration, mitosis and meiosis.

e.g. Do plants carry out cellular respiration as well as photosynthesis?

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Grade 11 Challenge: Think Like a Scientist

Challenge

Surprising questions and thought experiments that test real scientific reasoning.

e.g. Why does a spinning ice skater spin faster when she pulls her arms in?

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