Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

What is a heterotroph?

1. AAn organism that lives only in water
2. BAn organism that gets its food from other organisms
3. CAn organism with no cells
4. DAn organism that makes its own food by photosynthesis

Do czego służy grupa kontrolna?

1. ASprawia, że doświadczenie kończy się szybciej
2. BOtrzymuje największą możliwą dawkę badanego czynnika
3. CZastępuje potrzebę postawienia hipotezy
4. DDostarcza punktu odniesienia do porównania z grupą badaną

Które z poniższych jest grzybem?

1. AEscherichia coli
2. BAmeba
3. CWirus grypy
4. DDrożdże

Sickle cell disease is caused by a single base change that replaces one amino acid in haemoglobin. What type of mutation is this?

1. AA nonsense mutation
2. BA frameshift mutation
3. CA missense mutation
4. DA silent mutation

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

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

Why is water good at dissolving salts and sugars?

1. AIts molecules are nonpolar
2. BIt has a very low boiling point
3. CIt contains carbon atoms
4. DIts molecules are polar

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. CFungi
4. DProtists

A nurse notices that patients who used a new mouthwash had few mouth infections. No other patients were studied. What is most needed before concluding that the mouthwash works?

1. AA longer explanation in the report
2. BA larger bottle of the same mouthwash for each patient
3. CA survey asking patients if they liked it
4. DA comparable group that does not use the mouthwash