Biology SOL Practice (VA)

What substance is most likely represented by Y?

What did Rosalind Franklin contribute to the understanding of DNA molecules?

The weakness of hydrogen bonds between bases of DNA allows -

Red flower is dominant to white flower in rose plants. What's the likely outcome of this cross?

Drugs are being made using DNA recombinant technology. For veterinarians, this will result in -

Which statement best describes her hypothesis?

"If plants are added to an indoor environment, then air quality will improve." This is:

Which statement is an inference based on this information?

Which trial in the table shown has questionable data

The study of embryos can help in classification of living things by providing clues about the -

In a population of 120 oak trees, 25% has oak wilt disease. What number of trees have oak wilt?

What can be concluded from this graph?

To classify organisms, which of these will scientists first compare to other known organisms?

The structural differences between a tadpole and an adult frog are due to -

The arrow in the diagram represents the movement of which molecular structure?

Darwin's explanation for evolution was dependent on what scientific concept?

Seaweeds occupy an important niche in a bay. What will help identify its role in the ecosystem?

Which best helps scientists determine the age of fossils?

You use this probe in a lab involving 1,000 mL samples of pond water. This probe will:

Which would most likely result in a change to the current classification of an organism?

Which characteristic do most adult fungi and plants share?

According to the classification key, what is the genus and species of this organism?

One parent is (Dd) the other is (DD). What is the chance that the F1 will be heterozygous?

According to this diagram, the result of spermatogenesis is 4 sperm cells, each with -

Studying the difference between fossils and modern organisms helps better understand the -

If you are using a chemical in the lab, Which shows the safest laboratory practice?

Which feature to viruses have in common with animal cells?

5 species of frogs in non-overlapping habitats share a common ancestor, this is due to -

Chargaff discovered that the % of A=T and % of G=C. This helped discover which aspect of DNA?

In an ecosystem, a sudden decrease of bacteria in the soil would most likely result in -

A group of ponies lives in VA. The development of longer legs over time would be selected for -

Which is an activity that increases genetic variation within a population of earth worms?

Shown is the interaction of the warbler and the juniper tree pop. What conclusion can be made?

Based on this information, the organism most likely belongs to the kingdom -

The germ theory states that microbes cause disease. What resulted from the acceptance of this?