ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What is the main material in the cell walls of fungi?

1. ACollagen
2. BPeptidoglycan
3. CChitin
4. DCellulose

What is the main material in the cell wall of bacteria?

1. AChitin
2. BPeptidoglycan
3. CCellulose
4. DKeratin

What does DNA replication produce?

1. ATwo identical DNA molecules
2. BFour different DNA molecules
3. COne mRNA molecule
4. DA new protein

A student's hypothesis is "Salt water slows the growth of bean seedlings." Which is a prediction based on it?

1. ASeedlings given plain water will die within a week
2. BSeedlings given salt water will grow less than those given plain water
3. CBean seedlings need sunlight and water to grow well
4. DSalt water is made of sodium chloride and water

What happens in the Calvin cycle of photosynthesis?

1. ALight is absorbed by chlorophyll
2. BCO₂ is built into sugar using ATP and NADPH
3. CWater is split to release oxygen
4. DGlucose is broken down to release energy

Why does each type of virus infect only certain kinds of cells?

1. AIt must find cells with the same DNA as its own
2. BIt can only enter cells that are dividing by meiosis at that time
3. CIt must attach to specific receptor proteins on the cell surface
4. DIt can only enter cells that have no nucleus

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

Cells lining the small intestine have tiny finger-like folds of membrane called microvilli. What does this tell you about their job?

1. AThey absorb substances, so they need a large surface area
2. BThey protect the gut from bacteria by producing mucus
3. CThey make digestive enzymes in large amounts
4. DThey move food along by beating like cilia