ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What does sterilisation mean?

1. AKilling or removing all microorganisms, including spores
2. BKilling only the viruses on a surface
3. CWashing away visible dirt with water
4. DReducing the number of microbes on the skin before an injection

في المنهج العلمي، ما الفرضية؟

1. Aتفسير واسع تدعمه تجارب كثيرة
2. Bاستنتاج ثبتت صحته
3. Cقائمة بالقياسات المأخوذة
4. Dتفسير أو توقّع قابل للاختبار

What is the correct order of the phases of mitosis?

1. ATelophase, anaphase, metaphase, prophase
2. BProphase, anaphase, metaphase, telophase
3. CProphase, metaphase, anaphase, telophase
4. DMetaphase, prophase, anaphase, telophase

Drugs against fungal infections often cause more side effects than drugs against bacteria. Why?

1. AFungi have no cell membrane for drugs to act on
2. BFungal cells are eukaryotic, like human cells
3. CFungi reproduce only by binary fission
4. DFungi are much smaller than bacteria

لماذا توقف درجة الحرارة المرتفعة جدًا عمل معظم الإنزيمات؟

1. Aتجعل الحرارة الإنزيم ينقسم فورًا إلى أحماض أمينية
2. Bتتحول المادة المتفاعلة إلى إنزيم مختلف
3. Cيتحرك الإنزيم ببطء شديد فلا يلاقي المادة المتفاعلة
4. Dيتمسخ الإنزيم: يتغير شكل موقعه النشط

Which list puts these human energy sources in order from fastest to use to longest-lasting store?

1. AATP, then glycogen, then fat
2. BATP, then fat, then glycogen
3. CGlycogen, then ATP, then fat
4. DFat, then glycogen, then ATP

Redi placed meat in open jars and in jars covered with gauze. Maggots appeared only on meat that flies could reach. What did this show?

1. AFlies form from rotting meat, and then they lay eggs on fresh meat
2. BMeat turns into maggots when exposed to air
3. CMaggots come from eggs laid by flies, not from the meat itself
4. DGauze produces chemicals that stop meat from rotting

A point mutation changes a codon in the middle of a gene into a stop codon. What is the most likely effect?

1. AA shortened protein that usually does not work
2. BA protein with one different amino acid
3. CNo change, because stop codons are ignored
4. DA protein that is longer than normal