Year 11 ACT Biology sample questions

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Year 11 ACT Biology practice questions

Use this no-login public demo to preview Skill Align's Year 11 ACT Biology sample questions, explanations, exercise mode, and test mode before regular practice.

Sample-question focus

Try a short public sample of Year 11 ACT Biology questions selected from the reviewed Skill Align demo set.

Skills covered

Practice cells, living systems, ecosystems, genetics, evolution, biodiversity, disease, biotechnology, and scientific inquiry.

Exercise and test mode

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Compare this demo with the ACT Year 11-12 Biology curriculum page to scan related topics, subtopics, and pathway coverage.

View ACT Year 11-12 Biology curriculum coverage Browse all sample question demos

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Sample practice questions

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practice ACT Year 11 Biology practice questions Cells hard cell transport diagram

1. A membrane diagram shows carbon dioxide moving out of a cell from high concentration to low concentration. Which process is shown?

Choices

Diffusion
Active transport
Protein synthesis
Meiosis

Explanation:

Carbon dioxide can move passively down its concentration gradient through the membrane.

practice ACT Year 11 Biology practice questions Enzyme data hard enzyme graph

2. An enzyme graph rises as temperature increases to 35 C, then falls at 60 C. Which temperature gives the highest rate?

Choices

35 C
5 C
60 C
All temperatures

Explanation:

The graph peak marks the highest rate for this enzyme.

practice ACT Year 11 Biology practice questions Ecosystems hard ecosystem pyramid

3. A pyramid shows 8000 kJ in producers and 800 kJ at the next level. What does this show?

Choices

About 10% energy transfer
About 90% transfer
No energy loss
Consumers make sunlight

Explanation:

800 is 10% of 8000, so the diagram supports about 10% transfer.

practice ACT Year 11 Biology practice questions Population models hard population graph

4. A graph shows a yeast population rising quickly and then flattening as nutrients run low. What limits further growth?

Choices

Resource availability
Every cell stops having DNA
The population becomes abiotic
Mutation rate must be zero

Explanation:

Nutrients are a limiting factor that can stop exponential growth and produce a plateau.

practice ACT Year 11 Biology practice questions Cell cycle hard cell-cycle diagram

5. A diagram shows one cell dividing to form two identical body cells. Which process is represented?

Choices

Mitosis
Meiosis
Fertilisation
Translation

Explanation:

Mitosis produces genetically identical body cells for growth and repair.

practice ACT Year 11 Biology practice questions Selection hard selection graph

6. A graph shows a beak-depth trait becoming more common after several dry seasons with hard seeds. Which statement is best supported?

Choices

The trait improved survival with hard seeds.
All birds had identical beaks.
Seed type cannot affect selection.
The trait was not inherited.

Explanation:

The increase suggests birds with that trait had higher fitness under those conditions.

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Practice Summary

Year 11 · ACT Biology · Test mode · 9 questions · 10 min

Questions attempted 0 / 9

Correct answers Pending

Score -

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ACT Biology practice questions FAQ

Does this page include Year 11 ACT Biology practice questions?

Yes. This public demo includes reviewed Year 11 ACT Biology sample questions so families can preview the Skill Align practice style before regular use.

Can students try the demo without signing up?

Yes. The public demo can be opened without signing up, and the attempt stays in the page instead of being saved to a student record.

How does this demo relate to curriculum coverage?

This demo is linked with the ACT Year 11-12 Biology curriculum coverage page, where parents can compare the broader topic and pathway structure used for Skill Align practice.