ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

What are the three parts of a nucleotide?

1. AA glycerol, a phosphate and a fatty acid
2. BAn amino group, a sugar and a fatty acid
3. CA carboxyl group, a base and a lipid
4. DA phosphate, a sugar and a nitrogen base

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

Which of these diseases is caused by a virus?

1. AInfluenza
2. BAthlete's foot
3. CMalaria
4. DTuberculosis

After gel electrophoresis, which DNA fragments are found furthest from the wells?

1. AThe smallest fragments
2. BThe fragments with the most guanine
3. CThe largest fragments
4. DThe fragments with the most adenine

นักเรียนคนหนึ่งทดสอบว่าปริมาณแสงส่งผลต่อการเจริญเติบโตของถั่วอย่างไร ข้อใดควรเป็นตัวแปรควบคุม

1. Aปริมาณแสงที่พืชแต่ละต้นได้รับ
2. Bข้อสรุปของการทดลอง
3. Cความสูงของพืชเมื่อสิ้นสุดการทดลอง
4. Dปริมาณน้ำที่พืชแต่ละต้นได้รับ

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

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

A cube-shaped cell has sides of 2 µm. What is its surface area-to-volume ratio?

1. A1 : 3
2. B6 : 1
3. C3 : 1
4. D2 : 1

A pesticide that is not broken down is sprayed on crops. Later, hawks at the top of the food chain have much higher levels of it than the insects. Why?

1. AHawks make the pesticide in their own bodies
2. BThe pesticide is broken down faster in insects than in plants
3. CHawks eat the crops directly, so they take in the most pesticide of all
4. DEach predator eats many prey, so the pesticide builds up at each level