Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Which sex chromosomes does a typical human male have?

1. AXY
2. BXX
3. CYY
4. DX only

Which definition of a species is most often used for animals?

1. AAll of the different organisms that live together in one area
2. BAny organisms that look alike
3. CAll the animals that eat the same food
4. DA group that can interbreed and have fertile offspring

What is the resolution of a microscope?

1. AHow many times larger it makes the image of the specimen
2. BHow bright the image appears
3. CHow large the field of view is
4. DIts ability to show two close points as separate

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

1. ACentral vacuoles
2. BLysosomes
3. CSmooth endoplasmic reticulum
4. DChloroplasts

What is the difference between an epidemic and a pandemic?

1. AAn epidemic is caused only by bacteria
2. BAn epidemic affects the whole world at once
3. CA pandemic affects only one town
4. DA pandemic spreads across many countries or continents

Why is water good at dissolving salts and sugars?

1. AIt contains carbon atoms
2. BIt has a very low boiling point
3. CIts molecules are nonpolar
4. DIts molecules are polar

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. BHomozygous dominant × homozygous recessive
3. CHeterozygous × homozygous recessive
4. DHeterozygous × heterozygous

Bacteria in a closed flask grow quickly at first, but the population then stops increasing. What is the main reason?

1. AThe bacteria stop dividing once they reach adult size
2. BNutrients run out and waste products build up
3. CThe bacteria change into viruses after many divisions
4. DThe flask becomes too cold for growth