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- 1. Fill in the Blank
Where is the genetic material contained in most cells in the body?
- 2. Fill in the Blank
What is the name of structure A in the diagram?
- 3. Multiple Choice
Body cells normally have two copies of each chromosome. This gives them a full set of DNA. They are called...
haploid cells
diploid cells
stem cells
specialised cells
- 4. Multiple Choice
Which process forms new body cells?
mitosis
meiosis
- 5. Multiple Choice
What is the correct order of the stages of mitosis?
Interphase, Prophase, Anaphase, Metaphase, Telophase, Cytokinesis
Interphase, Metaphase, Prophase, Anaphase, Telophase, Cytokinesis
Interphase, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis
Prophase, Interphase, Metaphase, Anaphase, Telophase, Cytokinesis
- 6. Multiple Choice
In which stage of mitosis do spindle fibres pull the chromosomes apart?
Anaphase
Metaphase
Prophase
Telophase
- 7. Multiple Choice
In which stage of mitosis do the chromosomes line up in the centre of the cell?
Anaphase
Metaphase
Prophase
Telophase
- 8. Multiple Choice
In which stage of mitosis do new nuclei form in the cell?
Anaphase
Metaphase
Prophase
Telophase
- 9. Multiple Choice
Which stage of mitosis is shown in the diagram?
Anaphase
Metaphase
Prophase
Telophase
- 10. Multiple Choice
Select the true statements.
Mitosis produces genetically identical cells.
Mitosis produces 4 daughter cells.
Mitosis produces diploid cells.
Mitosis produces haploid cells.
Mitosis is used for growth and repair.
- 11. Multiple Choice
Cancer is caused when cell division continues to happen uncontrollably.
True
False
- 12. Fill in the Blank
What is the name of the tip of a plant root where most cell division happens?
- 13. Fill in the Blank
A baby is in the 60th percentile for weight. What percentage of babies of the same age weigh either the same or less than this baby?
- 14. Fill in the Blank
The graph is a percentile growth chart of boys aged from 0 to 1 years.
A baby boy who is 9 months old weighs 72. kg. What percentile is the baby in?
- 15. Multiple Choice
What are stem cells?
Cells that are designed to do a particular job.
Cells that contain a full set of chromosomes.
Cells that contain only half a set of chromosomes.
Cells that are undifferentiated.
- 16. Multiple Choice
Stem cells can be found in early human embryos.
True
False
- 17. Multiple Choice
Stem cells cannot be found in adults.
True
False
- 18. Multiple Choice
What are the parts of the central nervous system in humans?
Brain
Eyes
Spinal cord
Fingers
- 19. Multiple Choice
Which type of neurone carries electrical signals through the CNS?
motor neurones
relay neurones
sensory neurones
- 20. Multiple Choice
Why are some axons on a motor neurone surrounded by a myelin sheath?
To make the axon longer
To act as an electrical insulator
To connect to other neurones
To protect the cell from pathogens
- 21. Fill in the Blank
The diagram shows a relay neurone.
What is the name of the missing label?
- 22. Fill in the Blank
What is the name of the connection between two neurones?
- 23. Fill in the Blank
Chemicals called _________________ diffuse across the synapse and set off a new electrical signal in the next neurone.
- 24. Multiple Choice
A bee stings a person's finger causing them to move it away from the bee. What part of the reflex arc is the bee sting?
effector
receptor
response
stimulus
- 25. Multiple Choice
A reflex arc passes through a conscious part of the brain.
True
False
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