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

Which substances are used up in aerobic cellular respiration?

  1. AGlucose and oxygen
  2. BOxygen and water
  3. CGlucose and carbon dioxide
  4. DCarbon dioxide and water
3.Easy

What is a sister chromatid?

  1. AOne of two identical copies of a chromosome joined at the centromere
  2. BOne of the two sex chromosomes
  3. CA small ring of DNA found in bacteria
  4. DA chromosome that is inherited from the mother only, never the father
4.Medium

A red blood cell is placed in a very salty (hypertonic) solution. What happens?

  1. AWater leaves the cell and it shrinks
  2. BSalt enters the cell and it swells
  3. CWater enters the cell and it bursts
  4. DNothing changes because salt cannot cross
5.Medium

What is the role of cholesterol in animal cell membranes?

  1. AIt keeps membrane fluidity stable as temperature changes
  2. BIt carries glucose molecules across the membrane into the cell
  3. CIt forms a rigid wall around the cell
  4. DIt stores the cell's genetic information
6.Medium

A bone marrow transplant can treat some blood cancers. Why does it work?

  1. AThe donor marrow contains antibiotics that kill cancer
  2. BThe donor red cells divide to make more red cells
  3. CThe donor stem cells produce new, healthy blood cells
  4. DThe transplant replaces the patient's bones
7.Hard

A man with an X-linked recessive disorder (XʰY) has children with a woman who has two normal alleles (XᴴXᴴ). What is expected among their children?

  1. AAll daughters are affected, and all sons are carriers
  2. BHalf of the sons and half of the daughters are affected
  3. CAll daughters are carriers, and no sons are affected
  4. DAll sons are affected, and no daughters are carriers
8.Hard

A child's DNA profile has bands A, B, C and D. The mother has bands A and C. Man 1 has bands B and D, man 2 has A and E, and man 3 has C and F. Which man could be the biological father?

  1. ANone of them
  2. BMan 1
  3. CMan 2
  4. DMan 3

Answer key

  1. 1. B · The observable trait, such as eye colour
  2. 2. A · Glucose and oxygen
  3. 3. A · One of two identical copies of a chromosome joined at the centromere
  4. 4. A · Water leaves the cell and it shrinks
  5. 5. A · It keeps membrane fluidity stable as temperature changes
  6. 6. C · The donor stem cells produce new, healthy blood cells
  7. 7. C · All daughters are carriers, and no sons are affected
  8. 8. B · Man 1

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