ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

What is the resolution of a microscope?

1. AHow bright the image appears
2. BHow many times larger it makes the image of the specimen
3. CHow large the field of view is
4. DIts ability to show two close points as separate

Which protein gives strength to skin, tendons and bone?

1. AAmylase
2. BHaemoglobin
3. CMyosin
4. DCollagen

What is the main job of the nucleolus?

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

Drugs against fungal infections often cause more side effects than drugs against bacteria. Why?

1. AFungi reproduce only by binary fission
2. BFungi have no cell membrane for drugs to act on
3. CFungi are much smaller than bacteria
4. DFungal cells are eukaryotic, like human cells

A patient's heart rate is measured four times: 70, 72, 74 and 80 beats per minute. What is the mean?

1. A74 beats per minute
2. B73 beats per minute
3. C72 beats per minute
4. D80 beats per minute

In a food chain, producers hold 10 000 units of energy. Roughly how much is passed on to the primary consumers?

1. AAbout 10 000 units
2. BAbout 5000 units
3. CAbout 10 units
4. DAbout 1000 units

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

1. A1 : 3
2. B3 : 1
3. C6 : 1
4. D2 : 1

A karyotype shows three copies of chromosome 21. Which condition does this indicate, and how many chromosomes does the person have?

1. ADown syndrome, with 47 chromosomes
2. BTurner syndrome, with 47 chromosomes
3. CDown syndrome, with 45 chromosomes
4. DKlinefelter syndrome, with 45 chromosomes