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 an ecosystem?

  1. AThe weather in a particular region
  2. BA single organism together with all of its organs and tissues
  3. CThe living things in an area and their non-living surroundings
  4. DAll the members of one species in an area
2.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 only water molecules cross
  3. CIt lets no substance cross at all
  4. DIt lets some substances cross but not others
3.Easy

What do receptor proteins in the cell membrane do?

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

Yeast in bread dough breaks down sugar without oxygen. What does it produce?

  1. AGlucose and oxygen
  2. BOxygen and water
  3. CEthanol and carbon dioxide
  4. DLactic acid and carbon dioxide
5.Medium

An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?

  1. ABacteria
  2. BFungi
  3. CAnimals
  4. DPlants
6.Medium

A red-flowered plant is crossed with a white-flowered plant, and all offspring have pink flowers. What does this show?

  1. AA sex-linked trait
  2. BCodominance
  3. CComplete dominance
  4. DIncomplete dominance
7.Hard

Why can a scientific hypothesis never be proven true with absolute certainty?

  1. AEvery experiment contains a mistake
  2. BHypotheses are only opinions and cannot be tested
  3. CScientists are not allowed to reach any conclusions
  4. DNew evidence could always contradict it in the future
8.Hard

A pesticide that is not broken down is sprayed on crops. Later, hawks at the top of the food chain have much higher levels of it than the insects. Why?

  1. AThe pesticide is broken down faster in insects than in plants
  2. BEach predator eats many prey, so the pesticide builds up at each level
  3. CHawks make the pesticide in their own bodies
  4. DHawks eat the crops directly, so they take in the most pesticide of all

Answer key

  1. 1. C · The living things in an area and their non-living surroundings
  2. 2. D · It lets some substances cross but not others
  3. 3. B · They bind specific signal molecules, such as hormones
  4. 4. C · Ethanol and carbon dioxide
  5. 5. D · Plants
  6. 6. D · Incomplete dominance
  7. 7. D · New evidence could always contradict it in the future
  8. 8. B · Each predator eats many prey, so the pesticide builds up at each level

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