ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What is a heterotroph?

1. AAn organism that lives only in water
2. BAn organism that makes its own food by photosynthesis
3. CAn organism that gets its food from other organisms
4. DAn organism with no cells

What is a pedigree in genetics?

1. AA table of codons and amino acids
2. BA picture of a person's chromosomes arranged in pairs by size
3. CA list of all the genes in an organism
4. DA chart that shows how a trait is inherited in a family

الخاصية الأسموزية هي انتشار أي مادة عبر غشاء شبه نفّاذ (انتقائي النفاذية)؟

1. Aالغلوكوز
2. Bالماء
3. Cأيونات الصوديوم
4. Dالبروتينات

A bone marrow transplant can treat some blood cancers. Why does it work?

1. AThe transplant replaces the patient's bones
2. BThe donor stem cells produce new, healthy blood cells
3. CThe donor red cells divide to make more red cells
4. DThe donor marrow contains antibiotics that kill cancer

كيف يُسرّع الإنزيم التفاعل الكيميائي؟

1. Aيضيف طاقة إلى النواتج
2. Bيرفع درجة حرارة الخلية
3. Cيُستهلك بوصفه متفاعلًا
4. Dيخفّض طاقة التنشيط

Why do many plants close their stomata on hot, dry days?

1. ATo release more oxygen
2. BTo reduce water loss
3. CTo take in more carbon dioxide
4. DTo speed up photosynthesis

Two parents are both carriers of cystic fibrosis, an autosomal recessive disorder. They have three children. What is the probability that none of the three is affected?

1. A1/64
2. B27/64
3. C3/4
4. D9/16

A food sample turns purple with biuret reagent but stays yellow-brown with iodine solution. What does the sample contain?

1. AProtein but no starch
2. BStarch but no protein
3. CBoth protein and starch
4. DFat but no protein