Biology for nursing entrance exams worksheet with answers

Where in the cell does glycolysis take place?

1. AIn the cytoplasm
2. BIn the mitochondrial matrix
3. CIn the chloroplast
4. DIn the nucleus

What is transpiration?

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

What does phloem carry in a plant?

1. AChlorophyll to the stem
2. BSugars made in the leaves
3. CCarbon dioxide from the air
4. DWater from the roots only

Which structure is found in both prokaryotic and eukaryotic cells?

1. AMitochondria
2. BA nucleus
3. CThe endoplasmic reticulum
4. DRibosomes

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

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

What is meant by independent assortment in meiosis?

1. ASister chromatids stay joined until the end of meiosis, so all gametes are identical
2. BHomologous pairs line up randomly, so gametes get different mixes of chromosomes
3. CDNA is copied separately in each chromosome
4. DAll chromosomes from the mother go into the same gamete

A new infectious agent passes through filters that trap bacteria, does not grow on nutrient agar and multiplies only inside living cells. What is it most likely to be?

1. AA virus
2. BA fungus
3. CA bacterium
4. DA protozoan

Five recovery times in days are 5, 6, 6, 7 and 30. Which value best describes a typical recovery time, and why?

1. AThe median of 6, because the outlier pulls the mean up
2. BThe maximum of 30, because it shows the worst case
3. CThe range of 25, because it shows the spread
4. DThe mean of 10.8, because it uses every value