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

What is the pH of pure water at 25 °C?

1. A7
2. B14
3. C1
4. D0

Who first worked out the basic rules of inheritance by breeding pea plants?

1. ARobert Hooke
2. BLouis Pasteur
3. CGregor Mendel
4. DCharles Darwin

In biology, what is a clone?

1. AAn offspring of two different parents
2. BA cell with an extra chromosome
3. CA genetically identical copy of an organism, cell or gene
4. DAn organism that carries genes from two different species

What is the function of the pores in the nuclear envelope?

1. AThey attach the nucleus to the cell membrane
2. BThey let molecules such as mRNA pass in and out
3. CThey make ribosomal RNA for the cell
4. DThey let chromosomes leave the nucleus to be copied

Which type of graph is best for comparing the number of patients with each ABO blood type?

1. AA line graph
2. BA bar graph
3. CA scatter plot
4. DA histogram

Why is a buffer system important in blood?

1. AIt carries oxygen to the tissues
2. BIt raises the blood glucose level
3. CIt makes the blood clot faster
4. DIt resists changes in pH

The wings of a bat and the wings of a butterfly are used for flying but have very different structures. What are they called, and what does this show?

1. AVestigial structures, which no longer have a function
2. BHomologous structures, which have the same bones inside
3. CAnalogous structures, which evolved separately for the same job
4. DHomologous structures, which were inherited from a shared ancestor

Potato cylinders are placed in sugar solutions of different strengths. They gain mass in weak solutions, lose mass in strong ones and show no change at 0,3 mol/L. What can be concluded?

1. ASugar enters the cells only by active transport, not by diffusion
2. BPotato cells are always hypertonic to sugar solutions
3. CThe potato cells contain no water at all
4. DThe potato cells have a solute concentration of about 0,3 mol/L