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 is natural selection?

  1. AHumans breeding plants for useful traits
  2. BIndividuals with helpful traits survive and reproduce more
  3. CAnimals choosing which mates they like best, so traits change at random
  4. DOrganisms changing their genes when they need to
2.Easy

Which element is found in all organic molecules?

  1. ASulfur
  2. BPhosphorus
  3. CCarbon
  4. DNitrogen
3.Easy

Which feature helps a sperm cell carry out its job?

  1. AA cell wall for protection
  2. BA flagellum for swimming
  3. CChloroplasts for making food
  4. DA large vacuole for storing water
4.Medium

Where does the oxygen released by photosynthesis come from?

  1. AFrom glucose that is broken down
  2. BFrom chlorophyll that is used up
  3. CFrom water molecules that are split
  4. DFrom carbon dioxide molecules that are split
5.Medium

When is DNA copied in the cell cycle?

  1. AIn the S phase of interphase
  2. BOnly during meiosis II
  3. CDuring metaphase of mitosis
  4. DDuring cytokinesis
6.Medium

When most people in a community are vaccinated, people who cannot be vaccinated are also protected. Why?

  1. AThe vaccine spreads from person to person
  2. BVaccinated people make antibodies for others
  3. CThe pathogen mutates into a harmless form
  4. DThe pathogen has too few hosts to spread easily
7.Hard

Two plants are crossed, and about half of the offspring show the dominant trait and half show the recessive trait. What are the most likely genotypes of the parents?

  1. AHeterozygous × heterozygous
  2. BHomozygous dominant × homozygous recessive
  3. CHeterozygous × homozygous recessive
  4. DHomozygous dominant × heterozygous
8.Hard

The number of bacteria in a sample rises from 200 to 500. What is the percentage increase?

  1. A250%
  2. B150%
  3. C300%
  4. D60%

Answer key

  1. 1. B · Individuals with helpful traits survive and reproduce more
  2. 2. C · Carbon
  3. 3. B · A flagellum for swimming
  4. 4. C · From water molecules that are split
  5. 5. A · In the S phase of interphase
  6. 6. D · The pathogen has too few hosts to spread easily
  7. 7. C · Heterozygous × homozygous recessive
  8. 8. B · 150%

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