ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What is the cytoplasm?

1. AThe stiff outer layer of cellulose that surrounds a plant cell
2. BThe space between two neighbouring cells
3. CThe fluid found only inside the nucleus
4. DThe jelly-like contents between the membrane and nucleus

What are the three domains of life?

1. ABacteria, Archaea and Eukarya
2. BProkaryotes, plants and animals
3. CPlants, animals and fungi
4. DBacteria, viruses and protists

Which kind of organism causes malaria?

1. AA fungus that grows on skin
2. BA protist carried by mosquitoes
3. CA virus spread by coughing
4. DA bacterium carried in water

What is a random sample?

1. AA group chosen because they are likely to support the hypothesis
2. BA group made only of people who volunteer to take part
3. CA group where everyone in the population has an equal chance of being chosen
4. DA group chosen by the researcher because they are easy to reach and willing

What happens to an enzyme after it has catalysed a reaction?

1. AIt becomes part of the product and leaves with it
2. BIt changes into the substrate
3. CIt is broken down into amino acids
4. DIt is released unchanged and can be used again

كيف تتكاثر البكتيريا عادةً؟

1. Aبتكوين البذور
2. Bبالانقسام الاختزالي
3. Cبالانشطار الثنائي
4. Dبإطلاق فيروسات بالتبرعم

A mutation changes one amino acid in an enzyme. In which location is the change most likely to stop the enzyme from working?

1. AIn a section that is removed after the protein is made
2. BIn the gene's stop codon
3. COn the outer surface, far from the active site
4. DIn the active site

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. B18 hours
3. C0,5 hours
4. D2 hours