Phiếu bài tập Sinh học cho kỳ thi đầu vào điều dưỡng có đáp án

What is a karyotype?

1. AA diagram of a family's inheritance pattern
2. BA map of the organelles inside a cell
3. CA list of all the proteins that a cell makes during its life
4. DA picture of a cell's chromosomes arranged in pairs by size

Which of these hormones is a steroid?

1. AGlucagon
2. BTestosterone
3. CGrowth hormone
4. DInsulin

In genetics, what is a carrier?

1. AA person who has a dominant disorder
2. BA person who has lost both alleles for the gene, so shows no trait
3. CA person with two recessive alleles who has the disorder
4. DA person with one recessive allele for a disorder but no symptoms

What is a bacterial endospore?

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

Which statement best describes biological evolution?

1. AChange in the inherited traits of a population over generations
2. BMovement of animals to a new habitat each year
3. CChange in the body of one organism during its lifetime
4. DGrowth of an organism from a single zygote to a fully grown adult

Cấu trúc nào có ở cả tế bào nhân sơ và tế bào nhân thực?

1. ALưới nội chất
2. BNhân
3. CTy thể
4. DRibosome

A breastfed baby receives antibodies from its mother's milk. Why does this protection last only a short time?

1. AThe baby's stomach makes the antibodies more active
2. BThe antibodies from breast milk attack the baby's own red blood cells
3. CThe antibodies turn into memory cells after a few weeks
4. DThe baby did not make these antibodies and forms no memory cells

Why does cooking oil not mix with water?

1. AOil molecules are nonpolar and cannot form hydrogen bonds with water
2. BWater molecules are nonpolar and avoid each other
3. COil molecules are polar and repel the charged ends of water molecules
4. DOil is denser than water and sinks