ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

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

1. A14
2. B1
3. C0
4. D7

สิ่งมีชีวิตมีจีโนไทป์ Bb จะเรียกว่าอะไร

1. Aเฮเทอโรไซกัส
2. Bโฮโมไซกัสด้อย
3. Cโฮโมไซกัสเด่น
4. Dแฮพลอยด์

In genetics, what is a carrier?

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

A patient's heart rate is measured four times: 70, 72, 74 and 80 beats per minute. What is the mean?

1. A74 beats per minute
2. B73 beats per minute
3. C72 beats per minute
4. D80 beats per minute

Why is water good at dissolving salts and sugars?

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

What is the job of the checkpoints in the cell cycle?

1. ATo copy the DNA a second time before mitosis
2. BTo join the two daughter cells back together
3. CTo stop the cycle if the DNA is damaged or the cell is not ready
4. DTo speed up division whenever the cell is short of nutrients or space

A single-celled microbe has a nucleus and a cell wall made of chitin, and it reproduces by budding. What is it most likely to be?

1. AA bacterium
2. BA yeast
3. CAn amoeba
4. DA virus

A man has Klinefelter syndrome (XXY). Which error most likely produced it?

1. AExtra mitosis in the zygote after fertilisation
2. BNondisjunction of the sex chromosomes during meiosis in a parent
3. CA frameshift mutation in one of the genes on the father's Y chromosome
4. DCrossing over between chromosome 21 and the X chromosome