Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami
Darmowa karta pracy do druku – Biologia na egzaminy wstępne na pielęgniarstwo: 8 zadań od łatwych do poziomu egzaminu, z kluczem odpowiedzi. Wydrukuj ją lub zapisz jako PDF.
Dla nauczycieli: można bezpłatnie drukować, kopiować i używać na zajęciach. Każdy nowy arkusz ma nowe wartości i własny klucz odpowiedzi. Będziemy wdzięczni za link do ExamProblems na stronie kursu.
Imię: ____________________ Data: ____________
1.Łatwy
What is a bacteriophage?
AA white cell that eats bacteria
BA bacterium that infects viruses
CA fungus that kills bacteria
DA virus that infects bacteria
2.Łatwy
What is natural selection?
AHumans breeding plants for useful traits
BAnimals choosing which mates they like best, so traits change at random
COrganisms changing their genes when they need to
DIndividuals with helpful traits survive and reproduce more
3.Łatwy
What is cell differentiation?
AThe process by which a cell divides into two
BThe process by which cells become specialised
CThe process by which DNA is copied
DThe process by which cells die on purpose
4.Średni
The results of an experiment do not support the hypothesis. What should the scientist do next?
ARevise the hypothesis and test it again
BChange the data so they fit the hypothesis
CStop doing any further research on the question
DReport that the hypothesis was proven correct
5.Średni
When plotting the results of an experiment, which variable usually goes on the y-axis?
AThe controlled variable
BThe dependent variable
CThe independent variable
DThe time the experiment started
6.Średni
What is an inversion mutation?
AA chromosome segment breaks off and is reattached the wrong way round
BA segment of a chromosome is lost completely
CA segment of a chromosome moves to a different, non-matching chromosome
DA whole extra chromosome is added to the cell
7.Trudny
An inhibitor binds to an enzyme away from the active site and changes the enzyme's shape. Adding more substrate does not restore the rate. What type of inhibition is this?
ADenaturation by heat
BCompetitive inhibition
CNoncompetitive inhibition
DSubstrate saturation
8.Trudny
W jaki sposób populacja bakterii staje się oporna na antybiotyk?