Biology for nursing entrance exams worksheet with answers

Who first used the word "cells" after looking at thin slices of cork under a microscope?

1. ARobert Hooke
2. BLouis Pasteur
3. CGregor Mendel
4. DCharles Darwin

Which of these diseases is caused by a virus?

1. ATuberculosis
2. BAthlete's foot
3. CMalaria
4. DInfluenza

What does xylem carry in a plant?

1. ASeeds from the flowers to the soil
2. BWater and minerals from the roots upward
3. CSugars from the leaves to the roots
4. DOxygen from the leaves to the roots

Why is the ABO blood group system an example of multiple alleles?

1. AEach person carries three different alleles of the ABO gene
2. BBlood type is controlled by many separate genes
3. CThe gene is found on several chromosomes
4. DThere are three alleles of the gene in the population

In which phase of mitosis do the chromosomes condense and the nuclear envelope break down?

1. ATelophase
2. BMetaphase
3. CAnaphase
4. DProphase

Human adult height varies across a smooth, continuous range rather than falling into a few separate groups. What is the best explanation?

1. AIt is controlled by many genes and also affected by environment
2. BIt is controlled by one gene with two alleles and full dominance
3. CIt is an X-linked recessive trait
4. DIt is controlled only by the environment

Haemophilia is X-linked recessive. A carrier mother (XᴴXʰ) and an unaffected father (XᴴY) have a son. What is the probability that he has haemophilia?

1. A1/2
2. B1/4
3. C0
4. D1

Why are mutations in mitochondrial DNA passed on only from mothers to their children?

1. AMitochondrial DNA is on the X chromosome
2. BOnly women have mitochondria in their cells
3. CSperm cells contain no DNA at all
4. DThe zygote's mitochondria come from the egg