SATP Bio Practice Test Questions #1

Which of the following correctly lists the taxa in order from the taxon with smallest number of organisms to the taxon with the largest number of organisms?

• species, genus, class, family

• genus, family, species, order

• species, genus, family, order

• genus, species, class, order

When a volcanic island is formed, lichens are often a pioneer species. That is the primary role of lichens as a pioneer species?

• to break down rock into soil

• to feed insects

• to feed microorganisms

• to provide shade for seedlings

How does water move across a cell membrane that has solutions of different concentrations on either side?

• facilitated diffusion

• endocytosis

• active transport

• osmosis

Which idea of Thomas Malthus influenced the theory of evolution?

• All organisms have evolved from a common ancestor.

• Population growth in humans will exceed the resources to sustain that growth.

• Geological forces shaped the surface of the earth over a long period of time.

• Organisms are best adapted to their environment will survive and reproduce.

Complex carbohydrates like cellulose are composed of which repeated monomer?

• fatty acids

• monosaccharides

• amino acids

• nucleotides

Which of the following represents a prokaryotic cell?

• Paramecium

• animal cell

• bacteria

• plant cell

Which of the following exhibits the highest level of organization?

• a heart

• digestive system

• nerve cell

• a fish

Identify the theory outlined in the diagram.

• theory of punctuated equilibrium

• chemical evolution theory

• endosymbiotic theory

• theory of natural selection

A heterozygous purple flowered pea plant is crossed with a pure recessive white flowered plant. What is the expected phenotypic outcome for the offsrping?

• 100% white flowered plants

• 100% purple flowered plants

• 50% purple flowered and 50% white flowered

• 75% white flowered and 25% purple flowered

A commercial fertilizer claims that when it is given to flowering plants, the plants produce more flowers. A student decides to test this claim. She purchases 6 potted begonias of equal size. Each plant receives an equal amount of water and an equal amount of sunlight each day. For three of the plants, she uses the commercial fertilizer as directed on the label. She then counts the number of flowers for six weeks. What is the dependent variable?

• the number of plants in the control group

• the amount of water

• the number of flowers

• the amount of fertilizer