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 are stomata?

  1. AGreen structures in the leaf that store starch
  2. BSmall pores in leaves that allow gas exchange
  3. CTubes that carry water up the stem
  4. DHairs on roots that absorb minerals
2.Easy

What does xylem carry in a plant?

  1. ASeeds from the flowers to the soil
  2. BOxygen from the leaves to the roots
  3. CWater and minerals from the roots upward
  4. DSugars from the leaves to the roots
3.Easy

What is a stem cell?

  1. AA cell that carries oxygen in the blood
  2. BA fully specialised cell that can no longer divide or change its type
  3. CA plant cell found only in the stem
  4. DAn unspecialised cell that can divide and become other cell types
4.Medium

What is the function of the pores in the nuclear envelope?

  1. AThey attach the nucleus to the cell membrane
  2. BThey let molecules such as mRNA pass in and out
  3. CThey let chromosomes leave the nucleus to be copied
  4. DThey make ribosomal RNA for the cell
5.Medium

How does a scientific theory differ from a hypothesis?

  1. AA theory can never be changed by new data
  2. BA theory is a guess that has not been tested yet
  3. CA theory is a single experiment's result
  4. DIt is a broad explanation backed by much tested evidence
6.Medium

What is meant by independent assortment in meiosis?

  1. AHomologous pairs line up randomly, so gametes get different mixes of chromosomes
  2. BAll chromosomes from the mother go into the same gamete
  3. CDNA is copied separately in each chromosome
  4. DSister chromatids stay joined until the end of meiosis, so all gametes are identical
7.Hard

What is the basic cause of cancer at the cellular level?

  1. ABacteria enter the nucleus and replace the cell's own DNA with theirs
  2. BMutations in cell-cycle genes cause uncontrolled division
  3. CCells stop dividing completely and die
  4. DCells lose all of their mitochondria
8.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 carriers, and no sons are affected
  2. BHalf of the sons and half of the daughters are affected
  3. CAll sons are affected, and no daughters are carriers
  4. DAll daughters are affected, and all sons are carriers

Answer key

  1. 1. B · Small pores in leaves that allow gas exchange
  2. 2. C · Water and minerals from the roots upward
  3. 3. D · An unspecialised cell that can divide and become other cell types
  4. 4. B · They let molecules such as mRNA pass in and out
  5. 5. D · It is a broad explanation backed by much tested evidence
  6. 6. A · Homologous pairs line up randomly, so gametes get different mixes of chromosomes
  7. 7. B · Mutations in cell-cycle genes cause uncontrolled division
  8. 8. A · All daughters are carriers, and no sons are affected

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