Biology for nursing entrance exams worksheet with answers

What are the building blocks (monomers) of proteins?

1. ANucleotides
2. BFatty acids
3. CAmino acids
4. DMonosaccharides

What do prokaryotic cells, such as bacteria, lack?

1. AGenetic material in the form of DNA
2. BA cell membrane
3. CRibosomes
4. DA membrane-bound nucleus

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

1. AHand hygiene
2. BOpening the windows
3. CWearing a hair net
4. DGiving every patient antibiotics

In evolution, what does an organism's fitness mean?

1. AHow strong and fast the organism is compared with others
2. BHow long the organism lives
3. CHow large the organism grows
4. DHow many offspring it leaves that survive and reproduce

A cut in the skin heals as new skin cells fill the wound. Which process produces these cells?

1. AMeiosis
2. BBinary fission
3. CMitosis
4. DFertilisation

Where does translation take place?

1. AIn the cell wall
2. BIn the lysosomes
3. CAt the ribosomes
4. DInside the nucleus

A molecule similar in shape to the substrate binds to an enzyme's active site and slows the reaction. How can its effect be reduced?

1. ABy removing all water from the reaction
2. BBy adding more of the inhibitor
3. CBy lowering the amount of substrate
4. DBy adding much more substrate

In an onion root tip, 90 of 100 cells are in interphase and 10 are in mitosis. If the whole cell cycle takes 20 hours, about how long does mitosis last?

1. A10 hours
2. B2 hours
3. C18 hours
4. D0.5 hours