Cell Division: Cancer

When an organism grows, new cells are produced by cell division. What type of cell division happens to produce new body cells?

• Differentiation

• Meiosis

• Mitosis

• Binary fission

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In mitosis, the two resulting cells are

• different from the starting cell and identical to each other.
• different from the starting cell and different from each other.
• identical to the starting cell and different from each other.
• identical to the starting cell and identical to each other.

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How many chromosomes are normally found in human body cells?

• 46

• 23

• 26

• 44

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Why can cancers grow very large?

• Cancer cells are specialised

• Cell division is slow

• Cell division is uncontrolled

• Cell division produces much bigger cells

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Give one factor which increases the risk of getting cancer.

Which of the following terms means "cancer causing?"

• Carcinogen

• Vaccination

• Pathogen

• Carbohydrate

Which of the following risk factors is most closely associated with skin cancer?

• radiation

• smoking

• alcohol

• fatty foods

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Which of the following risk factors is most closely associated with lung cancer?

• radiation

• smoking

• alcohol

• fatty foods

A malignant tumour ....

• is contained within a capsule

• is not harmful

• is where cancer cells spread round the body

• contains normal cells

What is is called when a tumor proves to be NON cancerous?

• malignant

• benign

• oncogene

• byogene