ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

In which stage of the cell cycle does a cell spend most of its time?

1. AProphase
2. BInterphase
3. CAnaphase
4. DMetaphase

Which kind of organism causes malaria?

1. AA bacterium carried in water
2. BA fungus that grows on skin
3. CA virus spread by coughing
4. DA protist carried by mosquitoes

Which characteristic is shared by all living things?

1. AThey respond to changes in their environment
2. BThey are made of many cells
3. CThey have a backbone and a brain
4. DThey make their own food by photosynthesis

How do embryonic stem cells differ from most adult stem cells?

1. AThey are found only in plants, while adult stem cells are found in animals
2. BThey are haploid, while adult stem cells are diploid
3. CThey can become almost any cell type, while adult stem cells are more limited
4. DThey can no longer divide, while adult stem cells divide quickly

A greenhouse is warm and brightly lit, but the air has very little carbon dioxide. What is most likely limiting the rate of photosynthesis?

1. AThe number of stomata
2. BThe carbon dioxide concentration
3. CThe light intensity in the greenhouse
4. DThe temperature

Why is a buffer system important in blood?

1. AIt makes the blood clot faster
2. BIt carries oxygen to the tissues
3. CIt raises the blood glucose level
4. DIt resists changes in pH

Kidney tubule cells move glucose from the filtrate back into the blood, even when there is less glucose in the filtrate than in the cells. What does this show?

1. AGlucose moves only down its gradient
2. BGlucose is moved by simple diffusion
3. CGlucose is moved by active transport
4. DGlucose is moved by osmosis

A colour-blind man (XᵇY) has children with a woman who carries the allele (XᴮXᵇ). What is the probability that a daughter is colour-blind?

1. A1/4
2. B0
3. C1
4. D1/2