ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

In which stage of the cell cycle does a cell spend most of its time?

1. AProphase
2. BAnaphase
3. CMetaphase
4. DInterphase

What is the main material in the cell walls of fungi?

1. ACollagen
2. BPeptidoglycan
3. CCellulose
4. DChitin

ما الذي تفتقر إليه الخلايا بدائية النواة، كالبكتيريا؟

1. Aنواة محاطة بغشاء
2. Bغشاء خلوي
3. Cمادة وراثية على شكل DNA
4. Dالريبوسومات

Why are stains such as iodine or methylene blue added to cells on a microscope slide?

1. ATo make the cells divide
2. BTo make structures easier to see
3. CTo make the cells larger
4. DTo keep the cells alive for longer

Why do red blood cells have a flattened, biconcave disc shape?

1. AIt makes them stick to vessel walls
2. BIt gives a large surface area for gas exchange
3. CIt lets them hold a larger nucleus and more DNA
4. DIt helps them divide faster

How can bacteria pass antibiotic-resistance genes directly to other bacteria?

1. ABy mitosis, sharing copies of their chromosomes with neighbours
2. BBy osmosis, moving genes in water
3. CBy conjugation, transferring plasmids through a pilus
4. DBy meiosis, forming gametes with new alleles

A colour-blind man (XᵇY) has children with a woman who carries the allele (XᴮXᵇ). What is the probability that a daughter is colour-blind?

1. A0
2. B1
3. C1/4
4. D1/2

لماذا يخزّن الجسم الطاقة طويلة الأمد على هيئة دهون لا غليكوجين؟

1. Aالدهن نوع من البروتينات
2. Bتذوب الدهون بسهولة في الدم
3. Cلا يمكن تفكيك الغليكوجين إلى غلوكوز
4. Dتحمل الدهون أكثر من ضعف الطاقة لكل غرام