ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

Which of these diseases is caused by a virus?

1. AAthlete's foot
2. BMalaria
3. CTuberculosis
4. DInfluenza

What is the aim of gene therapy?

1. ATo give a patient antibiotics through a vein to kill a virus
2. BTo treat a disease by adding a working copy of a faulty gene
3. CTo remove all the genes from a patient's cells
4. DTo change the patient's blood type

What is true of a recessive allele?

1. AIt is always harmful to the organism
2. BIts trait shows only when two copies are present
3. CIt is found only on the X chromosome
4. DIts trait shows whenever one copy is present

ในระยะใดของไมโทซิสที่โครมาทิดพี่น้องถูกดึงไปยังขั้วตรงข้าม

1. Aอินเทอร์เฟส
2. Bโพรเฟส
3. Cเมทาเฟส
4. Dแอนาเฟส

Why are G–C base pairs held together more strongly than A–T pairs?

1. AA–T pairs are found only in RNA
2. BG–C pairs form three hydrogen bonds, and A–T pairs form two
3. CG and C are both purines, so they fit more tightly
4. DG–C pairs are joined by strong covalent bonds instead of hydrogen bonds

A protein is made to be secreted out of the cell. What path does it follow?

1. ARough ER, then Golgi apparatus, then vesicle, then cell membrane
2. BSmooth ER, then mitochondrion, then vesicle, then cell membrane
3. CNucleus, then lysosome, then Golgi apparatus, then cell membrane
4. DGolgi apparatus, then rough ER, then nucleus, then cell membrane

The number of bacteria in a sample rises from 200 to 500. What is the percentage increase?

1. A150%
2. B300%
3. C60%
4. D250%

Five recovery times in days are 5, 6, 6, 7 and 30. Which value best describes a typical recovery time, and why?

1. AThe maximum of 30, because it shows the worst case
2. BThe range of 25, because it shows the spread
3. CThe median of 6, because the outlier pulls the mean up
4. DThe mean of 10.8, because it uses every value