ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What are homologous chromosomes?

1. AChromosomes that are found only in gametes
2. BA matching pair, one from each parent, that carry the same genes
3. CTwo chromosomes that are always the X and the Y
4. DTwo identical copies of one chromosome made when DNA is replicated

What is transpiration?

1. AThe growth of roots towards water
2. BThe movement of sugars through the phloem to the roots
3. CThe loss of water vapour from the leaves of a plant
4. DThe taking in of CO₂ for photosynthesis

What is a mutagen?

1. ASomething that can cause changes in DNA
2. BA protein that repairs damaged DNA
3. CA cell that divides without control
4. DAn enzyme that copies DNA

بِمَ تختلف النظرية العلمية عن الفرضية؟

1. Aالنظرية تخمين لم يُختبر بعد
2. Bلا يمكن أن تغيّر البيانات الجديدة النظرية أبدًا
3. Cهي تفسير واسع تسنده أدلة كثيرة مختبَرة
4. Dالنظرية نتيجة تجربة واحدة

Which sequence describes the usual flow of genetic information in a cell?

1. ADNA to protein to RNA
2. BProtein to RNA to DNA
3. CDNA to RNA to protein
4. DRNA to DNA to protein

How are photosynthesis and aerobic respiration related?

1. ABoth take place only in chloroplasts
2. BBoth release oxygen into the air
3. CThe products of one are the reactants of the other
4. DBoth happen only in animal cells, never in plant cells

Why do phospholipids arrange themselves into a double layer in water?

1. AThey carry a strong positive charge on both ends
2. BTheir heads are hydrophobic and their tails are hydrophilic
3. CTheir heads are hydrophilic and their tails are hydrophobic
4. DThey are fully soluble in water

A large molecule contains carbon, hydrogen, oxygen, nitrogen and phosphorus. Its monomers each have a sugar and a base. What type of molecule is it?

1. AA carbohydrate
2. BA lipid
3. CA protein
4. DA nucleic acid