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 do receptor proteins in the cell membrane do?

  1. AThey store the cell's genetic code for making proteins
  2. BThey make ATP for the cell
  3. CThey bind specific signal molecules, such as hormones
  4. DThey digest bacteria that enter the cell
2.Easy

In genetics, what is a carrier?

  1. AA person with one recessive allele for a disorder but no symptoms
  2. BA person who has lost both alleles for the gene, so shows no trait
  3. CA person with two recessive alleles who has the disorder
  4. DA person who has a dominant disorder
3.Easy

What is a monosaccharide?

  1. AA fat made of glycerol and fatty acids
  2. BA chain of many amino acids
  3. CA single sugar unit, such as glucose
  4. DTwo sugars joined together, such as sucrose
4.Medium

How does an enzyme speed up a chemical reaction?

  1. AIt is used up as a reactant
  2. BIt raises the temperature of the cell
  3. CIt lowers the activation energy
  4. DIt adds energy to the products
5.Medium

Why are stains such as iodine or methylene blue added to cells on a microscope slide?

  1. ATo make the cells larger
  2. BTo make structures easier to see
  3. CTo keep the cells alive for longer
  4. DTo make the cells divide
6.Medium

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

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

Cyanide stops mitochondria from making ATP. Which process in the affected cells would stop first?

  1. APumping of Na⁺ and K⁺ by the sodium-potassium pump
  2. BSimple diffusion of oxygen into the cell
  3. COsmosis of water across the membrane
  4. DFacilitated diffusion of glucose down its gradient
8.Hard

Why is ATP described as an energy carrier rather than a long-term energy store?

  1. AATP contains no energy in its bonds, so it cannot be stored
  2. BCells hold only a little and constantly recycle it from ADP
  3. CATP can be made only in plants
  4. DATP is stored in large amounts in fat tissue

Answer key

  1. 1. C · They bind specific signal molecules, such as hormones
  2. 2. A · A person with one recessive allele for a disorder but no symptoms
  3. 3. C · A single sugar unit, such as glucose
  4. 4. C · It lowers the activation energy
  5. 5. B · To make structures easier to see
  6. 6. D · Fungal cells are eukaryotic, like human cells
  7. 7. A · Pumping of Na⁺ and K⁺ by the sodium-potassium pump
  8. 8. B · Cells hold only a little and constantly recycle it from ADP

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