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WorksheetsZoology: Cell Cycle and Cancer
Total questions: 50
Worksheet time: 46mins
Which of the following best defines an oncogene?
An oncogene codes for a cell cycle control protein.
An oncogene codes for a protein that prevents the cell from undergoing apoptosis.
An oncogene codes for a mutated form of a protein that forms part of a signal transduction pathway
An oncogene is a dominantly expressed mutated gene that gives a cell a growth or survival advantage
Tumour markers are
Signs of infection
Related to genetics
Chemicals that can be detected in the blood
External growths
Cancer is caused due to
Controlled mitosis
Uncontrolled mitosis
Controlled meiosis
Uncontrolled meiosis
In situ breast cancer refers to
cancer that has spread throughout the body
cancer that has spread to local lymph nodes
cancer that appears in only one place in the body
cancer that has spread to brain
What happens to cells that are going through Leukemia?
cells start to disappear
abnormal white blood cell growth
cells become easily infected
abnormal red blood cell growth
Where does leukemia begins?
In Lung
In bone marrow
In stomach
In intestine
What is a mutation?
A mistake in DNA which can lead to cancer
A complete copy of DNA
A change in DNA which doesn't cause an issue
A mistake in your body that is caught and removed
What do the blue cells represent?
Cancer cells
Normal cells
B cells
Liver cells
In human beings, mitosis is necessary for:
growth and repair of tissues
formation of the gametes, or sex cells
reproduction of another individual
reducing the number of chromosomes
