Biology for nursing entrance exams worksheet with answers

What is the single most important way to prevent the spread of infection in hospitals?

1. AWearing a hair net
2. BOpening the windows
3. CGiving every patient antibiotics
4. DHand hygiene

Which structure is found in plant cells but not in animal cells?

1. ARibosome
2. BCell membrane
3. CMitochondrion
4. DCell wall

What is the correct order of the phases of mitosis?

1. AProphase, anaphase, metaphase, telophase
2. BMetaphase, prophase, anaphase, telophase
3. CProphase, metaphase, anaphase, telophase
4. DTelophase, anaphase, metaphase, prophase

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

1. AThe twins must have different genotypes for body weight genes
2. BMutations happened in every cell of one twin
3. CThe phenotype depends on environment as well as genotype
4. DBody weight is controlled by a single gene

A red blood cell is placed in pure water. What is most likely to happen?

1. AIt swells and may burst
2. BIt shrinks and wrinkles
3. CIt divides into two cells
4. DIt stays the same size

Why does ice float on liquid water?

1. AHydrogen bonds hold ice in an open, less dense structure
2. BIce is denser than liquid water
3. CIce molecules are lighter than liquid water molecules
4. DIce contains more air than liquid water

How does a population of bacteria become resistant to an antibiotic?

1. AEach bacterium learns to resist the drug after being exposed
2. BA few bacteria already carry resistance genes, survive the drug and multiply
3. CThe patient's immune system makes the bacteria resistant
4. DThe antibiotic deliberately creates the exact mutation the bacteria need

A single-celled organism has a nucleus, no cell wall and swims using cilia. In which group is it best placed?

1. APlants
2. BBacteria
3. CProtists
4. DFungi