Biology for nursing entrance exams worksheet with answers

What is cell differentiation?

1. AThe process by which a cell divides into two
2. BThe process by which DNA is copied
3. CThe process by which cells die on purpose
4. DThe process by which cells become specialised

Who first worked out the basic rules of inheritance by breeding pea plants?

1. AGregor Mendel
2. BCharles Darwin
3. CLouis Pasteur
4. DRobert Hooke

Which characteristic is shared by all living things?

1. AThey respond to changes in their environment
2. BThey have a backbone and a brain
3. CThey make their own food by photosynthesis
4. DThey are made of many cells

Which polymer is correctly matched with its monomer?

1. AProtein and nucleotide
2. BGlycogen and fatty acid
3. CDNA and amino acid
4. DStarch and glucose

After gel electrophoresis, which DNA fragments are found furthest from the wells?

1. AThe largest fragments
2. BThe fragments with the most adenine
3. CThe smallest fragments
4. DThe fragments with the most guanine

A cell has a nucleus and mitochondria but no cell wall and no chloroplasts. What kind of cell is it most likely to be?

1. AA plant cell
2. BA bacterial cell
3. CAn animal cell
4. DA fungal cell

People who carry one sickle cell allele are more resistant to malaria. Why is the allele common in regions where malaria is widespread?

1. ANatural selection favours the heterozygotes there
2. BThe allele is dominant, so it spreads by itself
3. CMalaria causes the sickle cell mutation directly
4. DPeople with two sickle alleles are fully healthy there

A solution contains 5 mg of a substance in every millilitre. How many milligrams are in 0.02 L of the solution?

1. A10 mg
2. B0.1 mg
3. C100 mg
4. D1000 mg