ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

How many strands does an RNA molecule usually have?

1. AFour
2. BThree
3. COne
4. DTwo

What does DNA replication produce?

1. AFour different DNA molecules
2. BOne mRNA molecule
3. CTwo identical DNA molecules
4. DA new protein

What is a scientific law?

1. AA rule that scientists vote to accept
2. BAn explanation that has been proven wrong
3. CA guess about the cause of something that has not yet been tested
4. DA statement of what always happens under certain conditions

In a eukaryotic cell, where does transcription take place?

1. AIn the nucleus
2. BOn ribosomes in the cytoplasm
3. CIn the lysosomes
4. DIn the Golgi apparatus

A tablet contains 2.5 g of a substance. How many milligrams is this?

1. A2500 mg
2. B25 mg
3. C250 mg
4. D0.0025 mg

สิ่งใดกำหนดรูปร่างและหน้าที่ของโปรตีน

1. Aปริมาณกลูโคสในเซลล์
2. Bจำนวนหมู่ฟอสเฟตที่มี
3. Cลำดับของกรดไขมันในเยื่อหุ้ม
4. Dลำดับของกรดอะมิโน

In snapdragons, flower colour shows incomplete dominance: RR is red, RW is pink and WW is white. Two pink plants are crossed. What phenotype ratio is expected?

1. A1 red : 2 pink : 1 white
2. B3 red : 1 white
3. CAll pink, like the parents
4. D1 red : 1 white

Plasmids with an ampicillin-resistance gene are mixed with bacteria, which are then spread on a plate containing ampicillin. Why do only a few colonies grow?

1. AAll the bacteria die, and the colonies are fungi
2. BOnly the bacteria that took up the plasmid can survive
3. CThe plasmid kills the bacteria that do not grow
4. DAmpicillin makes some bacteria take up the plasmid