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 transfer RNA (tRNA) do?

  1. AIt brings amino acids to the ribosome
  2. BIt joins two DNA strands together
  3. CIt copies DNA in the nucleus
  4. DIt carries the code out of the nucleus
2.Easy

According to the cell theory, where do new cells come from?

  1. AFrom minerals in food
  2. BFrom cells that already exist
  3. CFrom non-living matter in the body
  4. DFrom viruses that enter the body
3.Easy

What does the polymerase chain reaction (PCR) do?

  1. AIt makes many copies of a piece of DNA
  2. BIt separates proteins by their charge
  3. CIt cuts DNA at specific sequences
  4. DIt turns RNA into protein
4.Medium

Which statement about Archaea is correct?

  1. AThey are eukaryotes that have a nucleus and membrane-bound organelles
  2. BThey are prokaryotes, and many live in extreme environments
  3. CThey are a type of virus
  4. DThey are multicellular plants
5.Medium

Golden rice was genetically modified to make beta-carotene. What is the aim?

  1. ATo increase the protein content of the rice
  2. BTo help prevent vitamin A deficiency
  3. CTo make the rice grow faster in cold climates
  4. DTo make the rice resistant to all insects
6.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 keep the cells alive for longer
  3. CTo make the cells divide
  4. DTo make structures easier to see
7.Hard

A point mutation changes a codon in the middle of a gene into a stop codon. What is the most likely effect?

  1. AA protein with one different amino acid
  2. BNo change, because stop codons are ignored
  3. CA shortened protein that usually does not work
  4. DA protein that is longer than normal
8.Hard

Volunteers drink 0, 100 or 200 mg of caffeine, and their heart rate is measured after 30 minutes. What is the dependent variable?

  1. AThe volunteers themselves
  2. BThe 30-minute waiting time
  3. CThe heart rate after 30 minutes
  4. DThe dose of caffeine

Answer key

  1. 1. A · It brings amino acids to the ribosome
  2. 2. B · From cells that already exist
  3. 3. A · It makes many copies of a piece of DNA
  4. 4. B · They are prokaryotes, and many live in extreme environments
  5. 5. B · To help prevent vitamin A deficiency
  6. 6. D · To make structures easier to see
  7. 7. C · A shortened protein that usually does not work
  8. 8. C · The heart rate after 30 minutes

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