Biology for nursing entrance exams worksheet with answers

Free printable Biology for nursing entrance exams worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy

What does it mean that a cell membrane is selectively permeable?

  1. AIt lets every substance cross freely in both directions
  2. BIt lets some substances cross but not others
  3. CIt lets no substance cross at all
  4. DIt lets only water molecules cross
2.Easy

What does DNA replication produce?

  1. AA new protein
  2. BTwo identical DNA molecules
  3. COne mRNA molecule
  4. DFour different DNA molecules
3.Easy

What do centrioles do in an animal cell?

  1. AThey capture light for photosynthesis
  2. BThey make lipids for the cell membrane
  3. CThey help organise the spindle during cell division
  4. DThey store the cell's digestive enzymes until they are needed
4.Medium

What is the difference between an antiseptic and a disinfectant?

  1. AAntiseptics kill all spores; disinfectants kill none
  2. BAntiseptics are used on objects and floors; disinfectants are used on skin
  3. CAntiseptics are antibiotics; disinfectants are vaccines
  4. DAntiseptics are used on living tissue; disinfectants are used on objects
5.Medium

Drugs against fungal infections often cause more side effects than drugs against bacteria. Why?

  1. AFungi reproduce only by binary fission
  2. BFungi have no cell membrane for drugs to act on
  3. CFungi are much smaller than bacteria
  4. DFungal cells are eukaryotic, like human cells
6.Medium

Which stage of aerobic respiration produces the most ATP?

  1. AGlycolysis in the cytoplasm
  2. BThe Krebs cycle in the matrix
  3. CThe electron transport chain
  4. DFermentation
7.Hard

Two parents without a disease have a child with the disease. Assuming a single gene, what is the most likely explanation?

  1. AThe child inherited the trait only from the father's Y chromosome
  2. BThe trait is recessive and both parents are carriers
  3. CThe trait is dominant and one parent is homozygous
  4. DThe trait is dominant and both parents are affected
8.Hard

Why do cells get far more ATP from glucose when oxygen is present than when it is absent?

  1. AWithout oxygen, glucose cannot enter the cell or be broken down at all
  2. BWithout oxygen the Krebs cycle runs faster but makes less ATP
  3. CWithout oxygen only glycolysis runs, giving a net of 2 ATP per glucose
  4. DOxygen itself is converted into ATP in the mitochondria

Answer key

  1. 1. B · It lets some substances cross but not others
  2. 2. B · Two identical DNA molecules
  3. 3. C · They help organise the spindle during cell division
  4. 4. D · Antiseptics are used on living tissue; disinfectants are used on objects
  5. 5. D · Fungal cells are eukaryotic, like human cells
  6. 6. C · The electron transport chain
  7. 7. B · The trait is recessive and both parents are carriers
  8. 8. C · Without oxygen only glycolysis runs, giving a net of 2 ATP per glucose

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