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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Name: ____________________   Date: ____________

1.Easy

What is a phenotype?

  1. AThe observable trait, such as eye colour
  2. BThe pair of alleles that an organism carries for a gene
  3. CThe order of bases in a gene
  4. DThe number of chromosomes in a gamete
2.Easy

What does mitosis produce?

  1. ATwo genetically identical daughter cells
  2. BOne cell with twice the chromosome number
  3. CTwo cells with half the chromosome number
  4. DFour genetically different daughter cells
3.Easy

What is a neuron?

  1. AA bone cell that stores calcium
  2. BA nerve cell that carries electrical signals
  3. CA muscle cell that contracts
  4. DA blood cell that carries oxygen around the body
4.Medium

How do bacteria usually reproduce?

  1. ABy budding off viruses
  2. BBy binary fission
  3. CBy forming seeds
  4. DBy meiosis
5.Medium

In a pedigree, a trait appears in every generation, and every affected child has at least one affected parent. Which inheritance pattern is most likely?

  1. AAutosomal recessive
  2. BX-linked recessive
  3. CAutosomal dominant
  4. DA new mutation in each generation
6.Medium

Which element is found in all amino acids but not in carbohydrates?

  1. ACarbon
  2. BOxygen
  3. CNitrogen
  4. DHydrogen
7.Hard

An old idea says giraffes got long necks because each one stretched to reach leaves and passed the longer neck to its young. Why is this idea rejected?

  1. ANeck length is not affected by any genes
  2. BGiraffes do not eat leaves from tall trees, so stretching is not needed
  3. CChanges acquired in a lifetime are not passed on in the genes
  4. DOnly plants can pass on traits to offspring
8.Hard

In Tay-Sachs disease, a lysosomal enzyme does not work. What happens inside the affected nerve cells?

  1. AThe cells can no longer make ATP in their mitochondria
  2. BThe DNA cannot be copied before division
  3. CThe undigested substance builds up inside lysosomes
  4. DThe ribosomes stop making proteins

Answer key

  1. 1. A · The observable trait, such as eye colour
  2. 2. A · Two genetically identical daughter cells
  3. 3. B · A nerve cell that carries electrical signals
  4. 4. B · By binary fission
  5. 5. C · Autosomal dominant
  6. 6. C · Nitrogen
  7. 7. C · Changes acquired in a lifetime are not passed on in the genes
  8. 8. C · The undigested substance builds up inside lysosomes

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