Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Kuris iš šių organizmų yra grybas?

1. AMielės
2. BGripo virusas
3. CAmeba
4. DEscherichia coli

In the scientific name Homo sapiens, what does Homo name?

1. AThe kingdom
2. BThe species
3. CThe family
4. DThe genus

What are homologous chromosomes?

1. ATwo identical copies of one chromosome made when DNA is replicated
2. BA matching pair, one from each parent, that carry the same genes
3. CTwo chromosomes that are always the X and the Y
4. DChromosomes that are found only in gametes

What is the role of ribosomal RNA (rRNA)?

1. AIt brings single amino acids to the ribosome
2. BIt stores genetic information in the nucleus
3. CIt forms part of the ribosome and helps join amino acids
4. DIt carries the code from DNA to the ribosome

Human adult height varies across a smooth, continuous range rather than falling into a few separate groups. What is the best explanation?

1. AIt is controlled only by the environment
2. BIt is an X-linked recessive trait
3. CIt is controlled by one gene with two alleles and full dominance
4. DIt is controlled by many genes and also affected by environment

What is a chromosomal translocation?

1. AOne DNA base is replaced by another base
2. BA piece of a chromosome is flipped around in place
3. CA piece of one chromosome attaches to a non-matching chromosome
4. DA piece of a chromosome is copied twice and stays in the same place

In snapdragons, flower colour shows incomplete dominance: RR is red, RW is pink and WW is white. Two pink plants are crossed. What phenotype ratio is expected?

1. AAll pink, like the parents
2. B1 red : 2 pink : 1 white
3. C3 red : 1 white
4. D1 red : 1 white

A plant cell is placed in a strong salt solution. Its membrane and cytoplasm pull away from the cell wall. What is this called?

1. ALysis
2. BCrenation
3. CPlasmolysis
4. DTurgor