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 ATP stand for?

  1. AAdenine tetraphosphate
  2. BAdenosine triphosphate
  3. CAdenosine diphosphate
  4. DAmino triphosphate
2.Easy

Which organelle produces most of the ATP in a eukaryotic cell?

  1. ALysosome
  2. BRibosome
  3. CGolgi apparatus
  4. DMitochondrion
3.Easy

Most enzymes belong to which group of biomolecules?

  1. ACarbohydrates
  2. BProteins
  3. CMinerals
  4. DLipids
4.Medium

How many chromosomes does a normal human egg cell contain?

  1. A23
  2. B22
  3. C92
  4. D46
5.Medium

Identical twins raised in different homes have different body weights. What does this show?

  1. AMutations happened in every cell of one twin
  2. BThe phenotype depends on environment as well as genotype
  3. CBody weight is controlled by a single gene
  4. DThe twins must have different genotypes for body weight genes
6.Medium

What happens in a dehydration synthesis reaction?

  1. AA polymer is split by adding a water molecule
  2. BA cell dries out and dies
  3. CTwo monomers join and a water molecule is released
  4. DWater is removed from the cell by osmosis
7.Hard

An inhibitor binds to an enzyme away from the active site and changes the enzyme's shape. Adding more substrate does not restore the rate. What type of inhibition is this?

  1. ANoncompetitive inhibition
  2. BDenaturation by heat
  3. CSubstrate saturation
  4. DCompetitive inhibition
8.Hard

Some viruses are surrounded by a lipid envelope taken from the host cell's membrane. Why are these viruses usually inactivated easily by soap and alcohol?

  1. ASoap and alcohol break up the lipid envelope
  2. BThe envelope is made of chitin, which soap digests
  3. CSoap and alcohol dissolve the viral DNA directly
  4. DEnveloped viruses have no proteins at all

Answer key

  1. 1. B · Adenosine triphosphate
  2. 2. D · Mitochondrion
  3. 3. B · Proteins
  4. 4. A · 23
  5. 5. B · The phenotype depends on environment as well as genotype
  6. 6. C · Two monomers join and a water molecule is released
  7. 7. A · Noncompetitive inhibition
  8. 8. A · Soap and alcohol break up the lipid envelope

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