ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

In genetics, what is a carrier?

1. AA person with two recessive alleles who has the disorder
2. BA person who has a dominant disorder
3. CA person who has lost both alleles for the gene, so shows no trait
4. DA person with one recessive allele for a disorder but no symptoms

Who first used the word "cells" after looking at thin slices of cork under a microscope?

1. AGregor Mendel
2. BRobert Hooke
3. CCharles Darwin
4. DLouis Pasteur

What does it mean that a cell membrane is selectively permeable?

1. AIt lets some substances cross but not others
2. BIt lets no substance cross at all
3. CIt lets every substance cross freely in both directions
4. DIt lets only water molecules cross

A student switches a light microscope from low power to high power. What happens to the field of view?

1. AIt gets smaller and usually darker
2. BIt gets larger and brighter
3. CIt gets larger but less detailed
4. DIt stays the same size but gets brighter

Which statement about Archaea is correct?

1. AThey are a type of virus
2. BThey are prokaryotes, and many live in extreme environments
3. CThey are multicellular plants
4. DThey are eukaryotes that have a nucleus and membrane-bound organelles

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

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

A patient with type A blood is given type B red blood cells by mistake. What is the cause of the reaction that follows?

1. AAnti-A antibodies on the donor cells attack the patient's plasma
2. BAnti-B antibodies in the patient's plasma attack the donor cells
3. CThe patient's A antigens dissolve the donor's haemoglobin
4. DThe donor's B antigens destroy the patient's white blood cells

Parts of a protein chain coil into alpha helices and fold into beta sheets, held by hydrogen bonds. Which level of protein structure is this?

1. ATertiary structure
2. BSecondary structure
3. CPrimary structure
4. DQuaternary structure