ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

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

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

What is the main job of the cell wall in a plant cell?

1. ATo release energy from glucose
2. BTo control which genes are switched on in the nucleus
3. CTo support the cell and stop it from bursting
4. DTo make proteins for the cell

ما المواد الناتجة عن البناء الضوئي؟

1. Aالغلوكوز والأكسجين
2. Bالبروتين والنيتروجين
3. Cحمض اللبن وATP
4. Dثاني أكسيد الكربون والماء

في أي طور من الانقسام المتساوي تُسحب الكروماتيدات الشقيقة إلى قطبين متقابلين؟

1. Aالطور البيني
2. Bالطور التمهيدي (البروفاز)
3. Cالطور الانفصالي (الأنافاز)
4. Dالطور الاستوائي (الميتافاز)

Many vitamins act as coenzymes. What does this mean?

1. AThey help enzymes carry out their reactions
2. BThey are built into the cell membrane
3. CThey are digested to release large amounts of energy
4. DThey replace enzymes that have been denatured

By which process does oxygen enter a cell and carbon dioxide leave it?

1. AEndocytosis in small vesicles
2. BFacilitated diffusion through glucose carriers
3. CActive transport by membrane pumps
4. DSimple diffusion through the lipid bilayer

In snapdragons, flower colour shows incomplete dominance: RR is red, RW is pink and WW is white. Two pink plants are crossed. What phenotype ratio is expected?

1. A1 red : 2 pink : 1 white
2. B3 red : 1 white
3. CAll pink, like the parents
4. D1 red : 1 white

Under the microscope, homologous chromosomes are moving to opposite poles, and each is still made of two chromatids. Which stage is this?

1. AProphase of mitosis
2. BAnaphase II of meiosis
3. CAnaphase I of meiosis
4. DAnaphase of mitosis