ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

What is the SI base unit of mass?

1. AGram
2. BKilogram
3. CPound
4. DLitre

What is the single most important way to prevent the spread of infection in hospitals?

1. AGiving every patient antibiotics
2. BOpening the windows
3. CHand hygiene
4. DWearing a hair net

In which form do animals store glucose in the liver and muscles?

1. AGlycogen
2. BChitin
3. CStarch
4. DCellulose

Nerve cells release chemical messengers (neurotransmitters) stored in vesicles. By which process are they released?

1. APhagocytosis
2. BOsmosis
3. CExocytosis
4. DEndocytosis

During childbirth, pressure on the cervix causes oxytocin release, which causes stronger contractions and more pressure. What kind of control is this?

1. ANegative feedback
2. BHomeostatic balance
3. CNatural selection
4. DPositive feedback

โคดอนคืออะไร

1. Aกลุ่มเบสของ mRNA สามตัวที่กำหนดกรดอะมิโนหนึ่งชนิด
2. Bส่วนของโครโมโซมที่เส้นใยสปินเดิลเกาะระหว่างไมโทซิส
3. Cโปรตีนที่เริ่มกระบวนการถอดรหัส
4. Dเบสตัวเดียวที่กำหนดโปรตีน

The antibiotic tetracycline binds to bacterial ribosomes. Which process does it block, and why are human cells much less affected?

1. ATranscription, because human cells have no RNA polymerase of their own
2. BTranslation, because human cells have no ribosomes
3. CTranslation, because bacterial ribosomes differ from human ribosomes
4. DDNA replication, because bacteria have no DNA polymerase

Two populations of one species live on separate islands for many thousands of years. When brought together, they can no longer interbreed. What has happened?

1. ASpeciation after geographic isolation
2. BHybrid vigour from crossbreeding
3. CHomeostasis in both populations
4. DArtificial selection by humans