Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is the main job of the nucleolus?

1. AIt stores water and salts for the nucleus
2. BIt releases energy from glucose for the nucleus
3. CIt digests worn-out parts of the cell
4. DIt makes ribosomal RNA and builds ribosome parts

Basa mana yang ada pada RNA tetapi tidak pada DNA?

1. AGuanin
2. BUrasil
3. CAdenin
4. DTimin

What is an ecosystem?

1. AThe weather in a particular region
2. BThe living things in an area and their non-living surroundings
3. CA single organism together with all of its organs and tissues
4. DAll the members of one species in an area

An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?

1. AAnimals
2. BPlants
3. CBacteria
4. DFungi

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

What happens in the Calvin cycle of photosynthesis?

1. AGlucose is broken down to release energy
2. BWater is split to release oxygen
3. CCO₂ is built into sugar using ATP and NADPH
4. DLight is absorbed by chlorophyll

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. AHeterozygous × homozygous recessive
2. BHomozygous dominant × heterozygous
3. CHomozygous dominant × homozygous recessive
4. DHeterozygous × heterozygous

HIV infects and destroys helper T cells. Why do people with untreated advanced HIV get infections that healthy people rarely get?

1. AHIV kills the normal flora of the skin and gut
2. BTheir immune response is too weak to control normally harmless microbes
3. CHelper T cells make the antibiotics that the body needs to fight infection
4. DThe virus turns harmless microbes into pathogens