Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Which organelle breaks down fatty acids and hydrogen peroxide?

1. APeroxisome
2. BChloroplast
3. CCentriole
4. DRibosome

What is the cytoplasm?

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

What does xylem carry in a plant?

1. ASugars from the leaves to the roots
2. BWater and minerals from the roots upward
3. CSeeds from the flowers to the soil
4. DOxygen from the leaves to the roots

In a food chain, which organisms are the producers?

1. APlants and algae that make food by photosynthesis
2. BPredators at the top of the chain
3. CFungi that break down dead material
4. DAnimals that eat only plants, such as rabbits and deer

The results of an experiment do not support the hypothesis. What should the scientist do next?

1. AStop doing any further research on the question
2. BChange the data so they fit the hypothesis
3. CReport that the hypothesis was proven correct
4. DRevise the hypothesis and test it again

A person catches chickenpox once and does not usually become ill with it again. Why?

1. AThe virus stays in the blood and kills new viruses
2. BMemory cells give a faster, stronger response the next time
3. CAntibodies from the first infection turn into new viruses
4. DThe skin becomes thicker after the first infection

The coding part of an mRNA is 900 bases long, including the start codon and the stop codon. How many amino acids are in the protein?

1. A300
2. B298
3. C900
4. D299

A man has Klinefelter syndrome (XXY). Which error most likely produced it?

1. ACrossing over between chromosome 21 and the X chromosome
2. BA frameshift mutation in one of the genes on the father's Y chromosome
3. CNondisjunction of the sex chromosomes during meiosis in a parent
4. DExtra mitosis in the zygote after fertilisation