ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

What is phagocytosis?

1. AA cell releasing hormones by exocytosis
2. BA cell engulfing large particles such as bacteria
3. CA cell dividing into two identical daughter cells
4. DA cell taking in small droplets of fluid

What is a chromosomal deletion?

1. AThe loss of a piece of a chromosome
2. BA piece of chromosome that is turned around
3. CAn extra copy of a whole chromosome
4. DThe swap of a single DNA base

Which elements make up carbohydrates?

1. ACarbon, hydrogen and oxygen
2. BCarbon, hydrogen and nitrogen
3. CHydrogen, oxygen and phosphorus
4. DCarbon, nitrogen and sulfur

What is the role of ribosomal RNA (rRNA)?

1. AIt forms part of the ribosome and helps join amino acids
2. BIt stores genetic information in the nucleus
3. CIt carries the code from DNA to the ribosome
4. DIt brings single amino acids to the ribosome

Why is the ABO blood group system an example of multiple alleles?

1. AEach person carries three different alleles of the ABO gene
2. BBlood type is controlled by many separate genes
3. CThe gene is found on several chromosomes
4. DThere are three alleles of the gene in the population

Yeast in bread dough breaks down sugar without oxygen. What does it produce?

1. AOxygen and water
2. BLactic acid and carbon dioxide
3. CEthanol and carbon dioxide
4. DGlucose and oxygen

Liver cells take in cholesterol-carrying LDL particles only after the particles bind to specific proteins on the cell surface. Which process is this?

1. APinocytosis of extracellular fluid
2. BExocytosis
3. CSimple diffusion
4. DReceptor-mediated endocytosis

At dawn, a plant shows no overall uptake or release of oxygen or carbon dioxide. What is the best explanation?

1. AIts stomata are permanently closed at dawn
2. BIt has stopped both photosynthesis and respiration until it is light
3. CIts rate of photosynthesis equals its rate of respiration
4. DIt only respires at dawn