ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

In which form do animals store glucose in the liver and muscles?

1. AGlycogen
2. BStarch
3. CCellulose
4. DChitin

What does it mean that a cell membrane is selectively permeable?

1. AIt lets no substance cross at all
2. BIt lets some substances cross but not others
3. CIt lets only water molecules cross
4. DIt lets every substance cross freely in both directions

What is endocytosis?

1. AReleasing material from the cell by fusing vesicles with the membrane
2. BSplitting the cytoplasm after the nucleus divides
3. CTaking material into the cell by folding the membrane around it
4. DMoving water across the membrane by osmosis

What happens during telophase of mitosis?

1. AThe sister chromatids are pulled apart
2. BThe DNA is copied for the next division
3. CA nuclear envelope forms around each set of chromosomes
4. DThe chromosomes line up across the middle of the cell

Why do root hair cells have long, thin extensions?

1. ATo anchor the plant firmly against strong winds and rain
2. BTo increase the surface area for absorbing water
3. CTo carry out photosynthesis underground
4. DTo store starch for the winter

The sodium-potassium pump moves ions across the cell membrane. What does one cycle of the pump do?

1. AMoves 3 Na⁺ out and 2 K⁺ in, using ATP
2. BMoves Na⁺ in and K⁺ out, without using ATP
3. CMoves 2 Na⁺ out and 3 K⁺ in, using ATP
4. DMoves 3 K⁺ out and 2 Na⁺ in, using ATP

وجدت دراسة أن البلدات التي ترتفع فيها مبيعات الآيس كريم تشهد حالات غرق أكثر. ما أفضل استنتاج؟

1. Aالغرق يجعل الناس يشترون الآيس كريم
2. Bبينهما ارتباط، ربما لأن كليهما يزداد في الطقس الحار
3. Cلا بد أن البيانات خاطئة لأن هذه الصلة لا معنى لها إطلاقًا
4. Dتناول الآيس كريم يسبب غرق الناس

Fresh liver is dropped into hydrogen peroxide and bubbles form quickly. Boiled liver gives no bubbles. What is the best conclusion?

1. ALiver contains an enzyme that is destroyed by boiling
2. BHydrogen peroxide is broken down only by heat
3. CBoiled liver contains more hydrogen peroxide than fresh liver
4. DThe bubbles are carbon dioxide from respiration