ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What do bacteria use flagella for?

1. AMoving from place to place
2. BMaking proteins from amino acids
3. CCopying their DNA
4. DStoring food

What is an organism's genotype?

1. AThe alleles it carries for a trait
2. BThe environment in which it lives
3. CThe traits that can be seen or measured
4. DThe number of cells in its body

What is a neuron?

1. AA blood cell that carries oxygen around the body
2. BA bone cell that stores calcium
3. CA nerve cell that carries electrical signals
4. DA muscle cell that contracts

Which is the correct way to write the scientific name of the gut bacterium?

1. Acoli Escherichia
2. BEscherichia Coli
3. CEscherichia coli
4. DEscherichia Coli

When most people in a community are vaccinated, people who cannot be vaccinated are also protected. Why?

1. AThe pathogen mutates into a harmless form
2. BVaccinated people make antibodies for others
3. CThe pathogen has too few hosts to spread easily
4. DThe vaccine spreads from person to person

In a eukaryotic cell, where does transcription take place?

1. AIn the Golgi apparatus
2. BIn the nucleus
3. COn ribosomes in the cytoplasm
4. DIn the lysosomes

Some snakes and whales have tiny remains of hip bones that are not used for walking. What do these structures suggest?

1. AThey were caused by a recent mutation
2. BThe bones are needed for swimming
3. CTheir ancestors had legs
4. DThey will grow legs in the future

Starch and cellulose are both made of glucose. Why can humans digest starch but not cellulose?

1. ACellulose dissolves in water but starch does not
2. BHumans lack an enzyme that breaks the bonds in cellulose
3. CStarch is a protein, and cellulose is a lipid
4. DCellulose contains no glucose units at all, only fructose