Робочий аркуш «Біологія для вступних іспитів на медсестринство» з відповідями
Безкоштовний робочий аркуш для друку «Біологія для вступних іспитів на медсестринство»: 8 задач від легких до рівня іспиту, з ключем відповідей. Роздрукуйте його або збережіть як PDF.
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Ім’я: ____________________ Дата: ____________
1.Легка
Which kind of organism causes malaria?
AA fungus that grows on skin
BA bacterium carried in water
CA virus spread by coughing
DA protist carried by mosquitoes
2.Легка
What is a stem cell?
AA plant cell found only in the stem
BA fully specialised cell that can no longer divide or change its type
CAn unspecialised cell that can divide and become other cell types
DA cell that carries oxygen in the blood
3.Легка
In biology, what is a clone?
AA genetically identical copy of an organism, cell or gene
BAn organism that carries genes from two different species
CA cell with an extra chromosome
DAn offspring of two different parents
4.Середня
Why does each type of virus infect only certain kinds of cells?
AIt can only enter cells that are dividing by meiosis at that time
BIt must attach to specific receptor proteins on the cell surface
CIt must find cells with the same DNA as its own
DIt can only enter cells that have no nucleus
5.Середня
Where does the oxygen released by photosynthesis come from?
AFrom chlorophyll that is used up
BFrom water molecules that are split
CFrom glucose that is broken down
DFrom carbon dioxide molecules that are split
6.Середня
Red-green colour blindness is X-linked recessive. A colour-blind woman (XᵇXᵇ) has children with a man with normal colour vision (XᴮY). What fraction of their sons is expected to be colour-blind?
AOne half
BOne quarter
CNone
DAll
7.Складна
A pesticide that is not broken down is sprayed on crops. Later, hawks at the top of the food chain have much higher levels of it than the insects. Why?
AEach predator eats many prey, so the pesticide builds up at each level
BThe pesticide is broken down faster in insects than in plants
CHawks eat the crops directly, so they take in the most pesticide of all
DHawks make the pesticide in their own bodies
8.Складна
In the Hershey–Chase experiment, viruses were labelled with radioactive phosphorus in their DNA or radioactive sulfur in their protein. Only the phosphorus entered the infected bacteria. What did this show?
AViruses contain no DNA at all
BProtein, not DNA, is the genetic material of the virus
CDNA, not protein, is the genetic material of the virus
DBacteria take up any radioactive substance
Ключ відповідей
1. D · A protist carried by mosquitoes
2. C · An unspecialised cell that can divide and become other cell types
3. A · A genetically identical copy of an organism, cell or gene
4. B · It must attach to specific receptor proteins on the cell surface
5. B · From water molecules that are split
6. D · All
7. A · Each predator eats many prey, so the pesticide builds up at each level
8. C · DNA, not protein, is the genetic material of the virus
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