Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Koks yra mažiausias vienetas, laikomas gyvu?

1. AAtomas
2. BLąstelė
3. CMolekulė
4. DAudinys

What is the main job of the cell wall in a plant cell?

1. ATo release energy from glucose
2. BTo control which genes are switched on in the nucleus
3. CTo make proteins for the cell
4. DTo support the cell and stop it from bursting

What does DNA replication produce?

1. ATwo identical DNA molecules
2. BA new protein
3. CFour different DNA molecules
4. DOne mRNA molecule

White blood cells called macrophages engulf and digest bacteria. Which organelle would you expect them to have in large numbers?

1. ASmooth endoplasmic reticulum
2. BLysosomes
3. CChloroplasts
4. DCentral vacuoles

What is a bacterial endospore?

1. AA reproductive cell that bacteria use to make new colonies quickly
2. BA hair-like structure used to swim towards food
3. CA small ring of DNA that carries antibiotic resistance genes
4. DA tough, dormant form that survives heat, drying and many disinfectants

What is a random sample?

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

Šviesinio mikroskopo okuliaras didina 10×, o objektyvas 40×. Koks bendras didinimas?

1. A50×
2. B4000×
3. C400×
4. D40×

Two plants are crossed, and about half of the offspring show the dominant trait and half show the recessive trait. What are the most likely genotypes of the parents?

1. AHomozygous dominant × heterozygous
2. BHeterozygous × heterozygous
3. CHeterozygous × homozygous recessive
4. DHomozygous dominant × homozygous recessive