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.

New worksheetPractise online with hints

For teachers: free to print, copy and use in class. Every new worksheet has new values and its own answer key. A link to ExamProblems on your course page is appreciated.

Name: ____________________   Date: ____________

1.Easy

What is the active site of an enzyme?

  1. AThe gene that codes for the enzyme
  2. BThe part of the cell where the enzyme is made
  3. CThe region where the substrate binds
  4. DThe product formed by the reaction
2.Easy

What does transfer RNA (tRNA) do?

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

What does homozygous mean?

  1. AHaving two identical alleles for a gene
  2. BHaving only one copy of a gene
  3. CHaving an extra chromosome
  4. DHaving two different alleles for a gene
4.Medium

What does RNA polymerase do?

  1. AIt builds a protein from an mRNA template
  2. BIt copies the whole genome before cell division
  3. CIt builds an RNA strand from a DNA template
  4. DIt removes introns from pre-mRNA
5.Medium

Why do the palisade cells near the top surface of a leaf contain many chloroplasts?

  1. AThey get the most light and do most of the photosynthesis
  2. BThey carry sugars from the leaves down to the roots
  3. CThey protect the leaf from insects and strong winds
  4. DThey store most of the plant's water for dry periods
6.Medium

How are photosynthesis and aerobic respiration related?

  1. ABoth happen only in animal cells, never in plant cells
  2. BBoth take place only in chloroplasts
  3. CThe products of one are the reactants of the other
  4. DBoth release oxygen into the air
7.Hard

Potato cylinders are placed in sugar solutions of different strengths. They gain mass in weak solutions, lose mass in strong ones and show no change at 0.3 mol/L. What can be concluded?

  1. APotato cells are always hypertonic to sugar solutions
  2. BThe potato cells have a solute concentration of about 0.3 mol/L
  3. CThe potato cells contain no water at all
  4. DSugar enters the cells only by active transport, not by diffusion
8.Hard

Finches on the Galápagos Islands have different beak shapes on islands with different foods. What is the best explanation?

  1. ANatural selection favoured beaks suited to each food source
  2. BEach bird changed its beak by using it more
  3. CThe beaks changed because the birds chose to eat new food
  4. DThe birds were all created with the same beak and it never changed

Answer key

  1. 1. C · The region where the substrate binds
  2. 2. C · It brings amino acids to the ribosome
  3. 3. A · Having two identical alleles for a gene
  4. 4. C · It builds an RNA strand from a DNA template
  5. 5. A · They get the most light and do most of the photosynthesis
  6. 6. C · The products of one are the reactants of the other
  7. 7. B · The potato cells have a solute concentration of about 0.3 mol/L
  8. 8. A · Natural selection favoured beaks suited to each food source

Full step-by-step solutions: practise this topic on examproblems.com.