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

Osmosis is the diffusion of which substance across a selectively permeable membrane?

  1. AProteins
  2. BSodium ions
  3. CGlucose
  4. DWater
2.Easy

What is an antigen?

  1. AA molecule that the immune system sees as foreign
  2. BA white blood cell that engulfs and digests bacteria
  3. CA drug that kills viruses
  4. DA protein that carries oxygen
3.Easy

What is peer review?

  1. AAsking patients for their opinion of a treatment
  2. BReading a textbook to learn a topic
  3. CExperts checking a study before it is published
  4. DRepeating your own experiment many times
4.Medium

White blood cells called macrophages engulf and digest bacteria. Which organelle would you expect them to have in large numbers?

  1. AChloroplasts
  2. BLysosomes
  3. CSmooth endoplasmic reticulum
  4. DCentral vacuoles
5.Medium

Why are stains such as iodine or methylene blue added to cells on a microscope slide?

  1. ATo make the cells larger
  2. BTo make the cells divide
  3. CTo make structures easier to see
  4. DTo keep the cells alive for longer
6.Medium

How does facilitated diffusion differ from active transport?

  1. AIt moves only water and no other substances
  2. BIt needs ATP and moves substances against their gradient
  3. CIt works without any membrane proteins
  4. DIt needs no energy and moves substances down their gradient
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. ASugar enters the cells only by active transport, not by diffusion
  2. BPotato cells are always hypertonic to sugar solutions
  3. CThe potato cells contain no water at all
  4. DThe potato cells have a solute concentration of about 0.3 mol/L
8.Hard

Cells lining the small intestine have tiny finger-like folds of membrane called microvilli. What does this tell you about their job?

  1. AThey absorb substances, so they need a large surface area
  2. BThey move food along by beating like cilia
  3. CThey make digestive enzymes in large amounts
  4. DThey protect the gut from bacteria by producing mucus

Answer key

  1. 1. D · Water
  2. 2. A · A molecule that the immune system sees as foreign
  3. 3. C · Experts checking a study before it is published
  4. 4. B · Lysosomes
  5. 5. C · To make structures easier to see
  6. 6. D · It needs no energy and moves substances down their gradient
  7. 7. D · The potato cells have a solute concentration of about 0.3 mol/L
  8. 8. A · They absorb substances, so they need a large surface area

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