ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What is an adaptation?

1. AA change an organism makes during its lifetime that it then passes on
2. BAny mutation that damages a gene
3. CAn inherited trait that helps an organism survive in its environment
4. DA disease that weakens a population

أي تركيب يوجد في الخلايا النباتية ولا يوجد في الخلايا الحيوانية؟

1. Aالميتوكوندريا
2. Bالريبوسوم
3. Cالجدار الخلوي
4. Dالغشاء الخلوي

In biology, what is a clone?

1. AAn organism that carries genes from two different species
2. BA cell with an extra chromosome
3. CAn offspring of two different parents
4. DA genetically identical copy of an organism, cell or gene

ما نواتج التنفس الخلوي الهوائي؟

1. Aحمض اللبن والأكسجين
2. Bثاني أكسيد الكربون والماء وATP
3. Cالنشا والماء
4. Dالغلوكوز والأكسجين

Why do the palisade cells near the top surface of a leaf contain many chloroplasts?

1. AThey carry sugars from the leaves down to the roots
2. BThey store most of the plant's water for dry periods
3. CThey get the most light and do most of the photosynthesis
4. DThey protect the leaf from insects and strong winds

Which statement best describes biological evolution?

1. AGrowth of an organism from a single zygote to a fully grown adult
2. BMovement of animals to a new habitat each year
3. CChange in the inherited traits of a population over generations
4. DChange in the body of one organism during its lifetime

A single-celled organism has a nucleus, no cell wall and swims using cilia. In which group is it best placed?

1. APlants
2. BProtists
3. CBacteria
4. DFungi

A drug lowered blood pressure in a study of 20 men aged 40 to 50. Why might the result not apply to women over 70?

1. AThe results were too precise to be trusted
2. BThe study had a dependent variable
3. CThe sample did not represent that group
4. DBlood pressure cannot be measured in older women