Biology for nursing entrance exams worksheet with answers

What is phagocytosis?

1. AA cell dividing into two identical daughter cells
2. BA cell taking in small droplets of fluid
3. CA cell releasing hormones by exocytosis
4. DA cell engulfing large particles such as bacteria

Which structure is found in plant cells but not in animal cells?

1. ACell membrane
2. BMitochondrion
3. CRibosome
4. DCell wall

Which kind of organism causes malaria?

1. AA protist carried by mosquitoes
2. BA fungus that grows on skin
3. CA virus spread by coughing
4. DA bacterium carried in water

A bone marrow transplant can treat some blood cancers. Why does it work?

1. AThe donor red cells divide to make more red cells
2. BThe donor stem cells produce new, healthy blood cells
3. CThe donor marrow contains antibiotics that kill cancer
4. DThe transplant replaces the patient's bones

Which statement best describes biological evolution?

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

What is the function of the pores in the nuclear envelope?

1. AThey attach the nucleus to the cell membrane
2. BThey let chromosomes leave the nucleus to be copied
3. CThey make ribosomal RNA for the cell
4. DThey let molecules such as mRNA pass in and out

A breastfed baby receives antibodies from its mother's milk. Why does this protection last only a short time?

1. AThe antibodies from breast milk attack the baby's own red blood cells
2. BThe baby did not make these antibodies and forms no memory cells
3. CThe antibodies turn into memory cells after a few weeks
4. DThe baby's stomach makes the antibodies more active

At 100× total magnification, the field of view of a microscope is 2 mm wide. What is its width at 400×?

1. A0.5 mm
2. B0.2 mm
3. C2 mm
4. D8 mm