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

Khuếch tán là gì?

1. ASự di chuyển của nước qua màng có dùng ATP
2. BSự di chuyển của các hạt từ nơi nồng độ cao đến nơi nồng độ thấp
3. CTế bào nuốt các hạt lớn trong một túi
4. DSự di chuyển của các hạt từ nơi nồng độ thấp đến nơi nồng độ cao

What is a karyotype?

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

In which stage of the cell cycle does a cell spend most of its time?

1. AMetaphase
2. BInterphase
3. CProphase
4. DAnaphase

What do the spindle fibres do during cell division?

1. AThey copy the DNA of each chromosome before the cell divides
2. BThey make the new nuclear envelope
3. CThey digest the old cell membrane
4. DThey attach to chromosomes and move them to the poles

What does it mean that a person's blood is Rh negative?

1. ATheir red cells lack the A and B antigens
2. BTheir red cells lack the RhD antigen
3. CTheir red cells carry extra RhD antigen
4. DTheir plasma has no antibodies at all

Why is the ABO blood group system an example of multiple alleles?

1. AEach person carries three different alleles of the ABO gene
2. BThere are three alleles of the gene in the population
3. CThe gene is found on several chromosomes
4. DBlood type is controlled by many separate genes

A man with an X-linked recessive disorder (XʰY) has children with a woman who has two normal alleles (XᴴXᴴ). What is expected among their children?

1. AAll daughters are carriers, and no sons are affected
2. BAll daughters are affected, and all sons are carriers
3. CHalf of the sons and half of the daughters are affected
4. DAll sons are affected, and no daughters are carriers

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 × homozygous recessive
3. CHeterozygous × heterozygous
4. DHomozygous dominant × homozygous recessive