ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

What do receptor proteins in the cell membrane do?

1. AThey digest bacteria that enter the cell
2. BThey store the cell's genetic code for making proteins
3. CThey make ATP for the cell
4. DThey bind specific signal molecules, such as hormones

What are cilia?

1. ASmall round sacs that hold digestive enzymes
2. BOpenings in the nuclear envelope
3. CShort hair-like projections that beat in waves
4. DFolds of the inner mitochondrial membrane that make ATP

What is an inference?

1. AA conclusion reached from observations and prior knowledge
2. BA variable that the scientist changes on purpose
3. CA list of the materials used in an experiment
4. DA measurement taken with a calibrated instrument in a laboratory

Which statement about Archaea is correct?

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

In gel electrophoresis, why does DNA move towards the positive electrode?

1. ADNA has a positive charge from the nitrogen bases it contains
2. BDNA has a negative charge from its phosphate groups
3. CDNA has no charge and moves at random
4. DDNA is pulled by gravity through the gel

ครอสซิงโอเวอร์ ระหว่างโครโมโซมคู่เหมือนเกิดขึ้นเมื่อใด

1. Aในระยะ S ของอินเทอร์เฟส
2. Bในแอนาเฟสของไมโทซิส
3. Cในเทโลเฟส II ของไมโอซิส
4. Dในโพรเฟส I ของไมโอซิส

Finches on the Galápagos Islands have different beak shapes on islands with different foods. What is the best explanation?

1. AThe birds were all created with the same beak and it never changed
2. BEach bird changed its beak by using it more
3. CNatural selection favoured beaks suited to each food source
4. DThe beaks changed because the birds chose to eat new food

Why are organ transplant patients usually given drugs that suppress the immune system?

1. ATheir immune system would recognise the donor cells as foreign
2. BThe donor organ contains bacteria that must be killed
3. CThe drugs change the donor organ's DNA so that it matches the patient
4. DThe drugs help the new organ to grow larger