ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What is an adaptation?

1. AAn inherited trait that helps an organism survive in its environment
2. BAny mutation that damages a gene
3. CA disease that weakens a population
4. DA change an organism makes during its lifetime that it then passes on

أي أداة تُستخدم لرؤية الخلايا المفردة؟

1. Aالترمومتر
2. Bمطياف للصوت
3. Cالتلسكوب
4. Dالمجهر

What is a mutagen?

1. AAn enzyme that copies DNA
2. BSomething that can cause changes in DNA
3. CA protein that repairs damaged DNA
4. DA cell that divides without control

A cell has a nucleus and mitochondria but no cell wall and no chloroplasts. What kind of cell is it most likely to be?

1. AA fungal cell
2. BA bacterial cell
3. CA plant cell
4. DAn animal cell

In which phase of mitosis do the chromosomes condense and the nuclear envelope break down?

1. ATelophase
2. BAnaphase
3. CMetaphase
4. DProphase

How does facilitated diffusion differ from active transport?

1. AIt needs no energy and moves substances down their gradient
2. BIt needs ATP and moves substances against their gradient
3. CIt works without any membrane proteins
4. DIt moves only water and no other substances

How does a phospholipid differ from a triglyceride?

1. AIt contains no glycerol, only fatty acids and phosphate
2. BOne of the fatty acids is replaced by a phosphate group
3. CIt is made of amino acids
4. DIt has four fatty acids instead of three

لُقّح نبات AaBb مع نبات aabb. الجينان يتوزعان باستقلال. ما نسبة الأنماط الظاهرية المتوقعة في النسل؟

1. A1 : 2 : 1
2. B1 : 1 : 1 : 1
3. C3 : 1
4. D9 : 3 : 3 : 1