ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

Which protein carries oxygen in red blood cells?

1. ACollagen
2. BHaemoglobin
3. CKeratin
4. DInsulin

What is the SI base unit of mass?

1. ALitre
2. BKilogram
3. CPound
4. DGram

What is the main material in the cell wall of bacteria?

1. AChitin
2. BCellulose
3. CPeptidoglycan
4. DKeratin

A seedling is 4 cm tall at week 1, 8 cm at week 2, 12 cm at week 3 and 16 cm at week 4. If the trend continues, how tall will it be at week 6?

1. A32 cm
2. B20 cm
3. C24 cm
4. D18 cm

Where does the Krebs (citric acid) cycle take place in a eukaryotic cell?

1. AIn the cytoplasm
2. BIn the mitochondrial matrix
3. COn the rough endoplasmic reticulum
4. DIn the nucleus

أي رابطة تربط الأحماض الأمينية معًا في البروتين؟

1. Aالرابطة الغليكوسيدية
2. Bالرابطة الببتيدية
3. Cالرابطة الهيدروجينية بين القواعد
4. Dالرابطة الإسترية

Cells lining the small intestine have tiny finger-like folds of membrane called microvilli. What does this tell you about their job?

1. AThey make digestive enzymes in large amounts
2. BThey absorb substances, so they need a large surface area
3. CThey move food along by beating like cilia
4. DThey protect the gut from bacteria by producing mucus

A study finds that coffee drinkers have more lung cancer. Later it is found that coffee drinkers in the study also smoked more. What is smoking in this study?

1. AThe control group
2. BA placebo
3. CThe dependent variable
4. DA confounding variable