Биология для вступительных экзаменов на сестринские программы: лист заданий с ответами

Which type of microscope is needed to see a virus?

1. AA magnifying glass
2. BAn electron microscope
3. CA dissecting microscope
4. DA light microscope

What is the active site of an enzyme?

1. AThe region where the substrate binds
2. BThe product formed by the reaction
3. CThe part of the cell where the enzyme is made
4. DThe gene that codes for the enzyme

How many micrometres (µm) are in one millimetre?

1. A10
2. B1000
3. C100
4. D1 000 000

Which type of graph is best for comparing the number of patients with each ABO blood type?

1. AA histogram
2. BA line graph
3. CA scatter plot
4. DA bar graph

What happens in the Calvin cycle of photosynthesis?

1. ACO₂ is built into sugar using ATP and NADPH
2. BGlucose is broken down to release energy
3. CWater is split to release oxygen
4. DLight is absorbed by chlorophyll

Which is an example of negative feedback?

1. AA wound becoming more inflamed over time
2. BContractions growing stronger during labour
3. CBlood clotting speeding up once it starts
4. DSweating when body temperature rises

Two plants are crossed, and about half of the offspring show the dominant trait and half show the recessive trait. What are the most likely genotypes of the parents?

1. AHomozygous dominant × heterozygous
2. BHeterozygous × homozygous recessive
3. CHomozygous dominant × homozygous recessive
4. DHeterozygous × heterozygous

A cube-shaped cell has sides of 2 µm. What is its surface area-to-volume ratio?

1. A2 : 1
2. B1 : 3
3. C3 : 1
4. D6 : 1