EOC Growth and Readiness Assessment

5.01 Interrelationships Among Organisms

1) In a particular ecosystem, a wolf population is a limiting factor of the moose population that it preys on. If the wolf population decreased, what would likely happen to the carrying capacity of the environment for the moose?

  1. It would decrease slightly.
  2. It would stay the same.
  3. It would decrease significantly
  4. It would increase

2) Which of the following is an abiotic factor that would affect the ability of a species of tree to survive in a particular habitat?

  1. The availability of minerals in the soil
  2. The type and number of tree parasites present
  3. Other vegetation in the area
  4. The type and number of herbivores present

3) Algae live inside the body cells of a species of hydra. The hydra uses the products of the algae’s photosynthesis as food. Ammonia resulting from the hydra’s metabolism is thought to contribute to the algae’s nutrition. Of the following best describes the relationship algae and the hydra?

  1. Commensalism
  2. Mutualism
  3. Parasitism
  4. Predator and Prey

For question 4, use the diagram to the right.

4) The graph represents population growth of a specific population. Most populations introduced to a new ecosystem grow until factors such as a lack of food and overcrowding limit their growth, as illustrated in the graph. What most likely explains the change in the graph that occurs at point B?

  1. The death rate of the population has increased
  2. Due to limiting factors, the population has reached its carrying capacity.
  3. Infant mortality of the population has increased.
  4. The population is growing exponentially.

5.02 Matter and Energy Flow in the Environment

5) Which of the following best explains why producers are always at the beginning of a food chain?

  1. Consumers are eaten by a variety of producers.
  2. Producers convert light energy into useable chemical energy.
  3. Producers are larger than consumers.
  4. Producers are found in fewer numbers than consumers

6) In the diagram to the right, the organisms at level 1 produce 100,000 kilocalories worth of energy. This means 100,000 kilocalories of energy are available to be consumed by organisms at level 2. How much energy will be available at level 2 for the organisms at level 3 to consume?

  1. 100 kilocalories
  2. 1,000 kilocalories
  3. 10,000 kilocalories
  4. 100,000 kilocalories

7) In the diagram to the right, there is a sudden outbreak in disease, which kills many snakes. Which of the following would most likely happen as a result of this?

  1. The population of rabbits would increase because there are fewer predators.
  2. The number of frogs in the area would decrease because there would not need to be as many to feed the snakes.
  3. The number of foxes in the area would increase.
  4. Owls would begin to eat fewer frogs to make sure the same thing does not happen to the population of frogs.

8) Which statement is best supported by the diagram of the carbon-oxygen cycle?

  1. Combustion (burning) adds oxygen to the atmosphere and removes carbon dioxide.
  2. Consumers generate oxygen and utilize carbon dioxide.
  3. Producers generate oxygen and utilize carbon dioxide.
  4. Decomposers add oxygen to the atmosphere and remove carbon dioxide.

5.03 Human Impact on the Environment

9) Which of the following can be an effect of deforestation?

  1. Damage to local soils.
  2. Accelerated removal of carbon dioxide (CO2) from the atmosphere.
  3. Regeneration of old-growth forests.
  4. Accelerated addition of oxygen (O2) to the atmosphere.

10) In which level of the pyramid would the greatest concentration of pesticides (insect poisons) be found in the tissues of an organism? (a.) 1 (b.) 2 (c.) 3 (d.) 4

11) The growth of the human population

(a)is the result of our ability to reduce deaths from predators and improvements in medicine

(b)has resulted in a decrease use of resources

(c)decreases the probability that the species will survive

(d)all of the above

12) Which of the following is NOT an effect of increased carbon dioxide emissions due to human combustion of fossil fuels?

a) acid rain

b) global warming

c) erosion

d) melting polar ice caps

2.01 Organic Molecules

13) Which type of organic molecule is represented by the diagram to the right?

  1. Carbohydrate
  2. Lipid
  3. Nucleic Acid
  4. Protein

14) Strawberry plants are producers (autotrophs). One structural component of their cells is a molecule called cellulose. Which of the following best describes the molecule cellulose?

  1. Carbohydrate
  2. Lipid
  3. Nucleic Acid
  4. Protein

15) Which food should someone eat who wants organic molecules that can be stored for long-term energy?

  1. Chicken
  2. Sweet tea (sugar)
  3. Oil
  4. Spinach

16) Which of the following is NOT an example of a carbohydrate?

a) Starch

b) Glycogen

c) Glucose

d) Insulin

2.02 Cell Structure and Function

17) What is the function of a cell’s selectively permeable membrane?

  1. To regulate energy production in the cell
  2. To keep mitochondria from using nuclear material
  3. To maintain a constant lipid-protein ratio in the cell
  4. To control materials entering and leaving the cell

18) Which structures are found in plant cells, but not in animal cells?

  1. Cytoplasm and mitochondria
  2. Chloroplasts and cell walls
  3. Nuclei and vacuoles
  4. Ribosomes and cell membranes

19) A disease damages the organelle indicated by the arrow
What function of the cell would be most directly affected?

  1. Intake of water.
  2. Production of ATP
  3. Production of proteins
  4. Storage of liquids

20)Where in the cell do the reactions for respiration occur?

  1. Nucleus
  2. Chloroplasts
  3. Ribosome
  4. Mitochondria

2.03 Homeostasis and Cell Division

21) The diagram to the right shows the relative concentration of molecules inside and outside of a cell. Which statement best describes the general direction of diffusion across the membrane of this cell?

  1. Glucose would diffuse into the cell.
  2. Protein would diffuse out of the cell.
  3. Oxygen would diffuse into the cell.
  4. Carbon dioxide would diffuse out of the cell.

22) Look at the diagram to the right. In this diagram, which way would the WATERmolecules move?

  1. From left to right
  2. From right to left
  3. The particles will not move
  4. The particles will move equally in both directions

23) Which of the following functions does active transport perform in a cell?

  1. Packaging proteins for export from the cell.
  2. Distributing enzymes throughout the cytoplasm
  3. Moving substances against a concentration gradient
  4. Equalizing the concentration of water inside and outside of a cell by osmosis.

24) What is ATP?

  1. ATP is a molecule that stores energy in a form the cell can use.
  2. ATP is a molecule that is eaten to give an organism energy.
  3. ATP is a molecule that is produced by photosynthesis.
  4. ATP is a molecule that is made from the DNA code.

2.04 Enzymes

25) According to the graph to the right, enzymes are substances that:

a) speed up the rate of chemical reactions

b) work best at specific temperatures

c) stop working a certain high temperatures

d) all of the above

26) Which of the following is NOT a property of enzymes?

a)They are reusable.

b)They are specific for the reaction they catalyze.

c)They are affected by temperature but not pH.

d)They are all proteins.

27) The effectof temperature on the relative rate of action of an enzyme is represented in the graph below.

The optimum temperature for the action of this enzyme is approximately

a) 15 C b) 30 C c) 40 Cd) 60 C

28) Which of the following substances are used as building blocks (monomer units) of enzymes?

a) fatty acids

b) amino acids

c) monosaccharides

d) nucleotides

2.05 Photosynthesis and Respiration

29) Which most accurately describes the difference between aerobic respiration and anaerobic respiration?

  1. Aerobic respiration requires the use of oxygen but anaerobic respiration does not.
  2. Anaerobic respiration requires the use of oxygen but aerobic respiration does not.
  3. Aerobic respiration produces carbon dioxide but anaerobic respiration does not.
  4. Anaerobic respiration produces carbon dioxide but aerobic respiration does not.

30) Which of the following best explains why our cells carry out the process of respiration?

  1. The process of respiration allows plants to make their own food.
  2. The process of respiration makes proteins in the cell.
  3. The process of respiration turns energy from food into chemical energy our cells can use.
  4. The process of respiration helps the cell to get rid of waste.

The green aquatic plant represented in the diagram below was exposed to light for several hours. Refer to this diagram to answer questions 31 and 32.

31) Which gas would most likely be found in the greatest amount in the bubbles?

  1. Oxygen
  2. Ozone
  3. Nitrogen
  4. Carbon dioxide

32) What other compound is made as a result of the process taking place in this diagram?

  1. CO2
  2. C6H12O6
  3. H2O
  4. ATP

3.01 DNA Replication

33) Which statement is true about the DNA backbone?

  1. It is made up of repeating nitrogen bases.
  2. The backbone is held together by hydrogen bonds.
  3. It is made up of alternating sugar and phosphate molecules.
  4. It is made up of alternating nitrogen bases.

34) Which event takes place first during DNA replication?

  1. Transfer RNA links to an amino acid.
  2. The DNA molecule “unzips” along weak hydrogen bonds.
  3. Free nucleotides are bonded together in the correct sequence.
  4. A single-stranded RNA molecule is formed.

35) In a bacterium cell the genetic material contains the sequence AAA TAC GAC. If this DNA is replicated, what would be complementary strand of bases?

  1. UUU AUG CUG
  2. AAA TAC GAC
  3. TTT ATG CTG
  4. TTT UTG CTG

36) Four different segments of a DNA molecule are represented below.