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. AMetaphase
2. BInterphase
3. CProphase
4. DAnaphase

In science, what is an observation?

1. AA guess about why something happens
2. BInformation gathered with the senses or instruments
3. CA rule that explains all known facts
4. DA conclusion drawn before any data are collected

What is the main job of the large central vacuole in a plant cell?

1. AIt copies DNA before the cell divides
2. BIt stores water and keeps the cell firm
3. CIt assembles proteins from amino acids
4. DIt captures light energy for photosynthesis

أي تركيب يوجد في الخلايا بدائية النواة وحقيقية النواة معًا؟

1. Aالريبوسومات
2. Bالميتوكوندريا
3. Cالنواة
4. Dالشبكة الإندوبلازمية

Which element is found in all amino acids but not in carbohydrates?

1. AOxygen
2. BNitrogen
3. CHydrogen
4. DCarbon

A cut in the skin heals as new skin cells fill the wound. Which process produces these cells?

1. ABinary fission
2. BMitosis
3. CFertilisation
4. DMeiosis

Bacteria in a closed flask grow quickly at first, but the population then stops increasing. What is the main reason?

1. ANutrients run out and waste products build up
2. BThe bacteria change into viruses after many divisions
3. CThe flask becomes too cold for growth
4. DThe bacteria stop dividing once they reach adult size

Why are modified viruses often used to deliver genes in gene therapy?

1. AViruses naturally insert their genetic material into host cells
2. BViruses are larger than human cells, so they can carry many genes
3. CViruses can reproduce without a host cell
4. DViruses produce antibodies that fix faulty genes