ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

ไลโซโซมทำหน้าที่อะไร

1. Aจับพลังงานแสงให้เซลล์
2. Bย่อยของเสียและส่วนที่เสื่อมสภาพ
3. Cสร้างโปรตีนจากกรดอะมิโน
4. Dเก็บข้อมูลพันธุกรรมของเซลล์

What is apoptosis?

1. AUncontrolled cell division
2. BProgrammed cell death
3. CFusion of two gametes
4. DDivision of the cytoplasm

What is the main job of the nucleolus?

1. AIt digests worn-out parts of the cell
2. BIt stores water and salts for the nucleus
3. CIt releases energy from glucose for the nucleus
4. DIt makes ribosomal RNA and builds ribosome parts

When plotting the results of an experiment, which variable usually goes on the y-axis?

1. AThe independent variable
2. BThe dependent variable
3. CThe controlled variable
4. DThe time the experiment started

Why can DNA profiling (fingerprinting) identify individual people?

1. AEach person's genes code for different amino acids
2. BRepeated non-coding DNA regions vary in length between people
3. CDNA in blood differs from DNA in skin
4. DEvery person has a different number of chromosomes in their cells

Why does ice float on liquid water?

1. AIce molecules are lighter than liquid water molecules
2. BIce contains more air than liquid water
3. CHydrogen bonds hold ice in an open, less dense structure
4. DIce is denser than liquid water

Some snakes and whales have tiny remains of hip bones that are not used for walking. What do these structures suggest?

1. ATheir ancestors had legs
2. BThey will grow legs in the future
3. CThey were caused by a recent mutation
4. DThe bones are needed for swimming

กล้องจุลทรรศน์แบบใช้แสงมีเลนส์ใกล้ตา 10× และเลนส์ใกล้วัตถุ 40× กำลังขยายรวมเป็นเท่าใด

1. A40×
2. B4000×
3. C50×
4. D400×