WorksheetsEOC Review
Total questions: 151
Worksheet time: 4hrs 28mins
Name the photosynthesizing organelle of the plant cell. (a)
Name the process in the picture. (a)
What process is occurring in the picture? (a)
Name B. (a)
What type of punnett square? (a)
Widow's peak is dominant to straight hair line. Cross a heterozygous widow's peak female with a heterozygous widow's peak male. What is the genotype ratio? (a)
According to the diagram, when did the common ancestor of giant pandas and spectacled bears exist? (a)
(a)
What is the function of this molecule in organisms? (a)
What are the products of photosynthesis? (a)
Which process uses ATP to move materials across the plasma membrane against the concentration gradient? (a)
Which process of the carbon cycle removes carbon dioxide from the atmosphere? (a)
Enzymes catalyze reactions by (a) Activation Energy.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
type of liquid
growth
soil
light
10%
90%
50%
25%
Which of the following converts food into energy for the cell? (a)
Active transport does not require energy. (a)
Which 2 molecules forms the sides (backbone) of the DNA ladder? (a)
These molecules represent which organic molecule? (a)
In this image, the cell is using which type of molecular transport? (a)
What are the two reactants of cellular respiration? (a)
Name structure #5. (a)
Replicate the following strand of DNA: AATCATGGA (a)
Colorblindness is a recessive, X chromosome sex-link disorder. Cross the parents to figure out which percentage of their offspring will be colorblind. (a)
What fraction of offspring from the cross AaBB x Aabb will be heterozygous for both traits? (a)
What is the purpose of Strand A?
to act as a template for the synthesis of messenger RNA
to carry the code from the DNA molecule in the nucleus to the ribosome
picks up and transfers specific amino acids to the ribosome
picks up and transfers nucleic acids to the nucleus
What mRNA sequence will best match the section of DNA shown? (a)
What is the main purpose of the structure labeled D in the diagram above?
Bring the amino acid to the ribosome
Assemble the amino acids into a protein
Copy the DNA strand
Edit the mRNA strand
The diagram above represents a biochemical process that occurs in a cell. The purpose of this process is to synthesize - (a)
Use the mRNA codon chart to identify Amino Acid 1 in the given picture. (a)
A mutation has occurred in a mRNA fragment that was originally CUU. Using the codon chart given above, which of the following mutated mRNA fragments would result in an amino acid sequence different from that produced by the CUU fragment? (a)
What molecule is this (a)
What is the role of the pioneer species in Primary Succession?
To kill any remaining organisms from before the disturbance
To break down rock and rebuild soil
To provide food for large animals
To put fresh oxygen into the air
What are some abiotic factors that could be limiting factors in the Iowa River ecosystem?
Temperature, fertilizer runoff from fields, drought or flood
Invasive species, floods
Temperature, predators, droughts, floods, over fishing
An offspring will receive how many alleles from each parent to determine a specific trait? (a)
In the graph to the right, what is the population of deer at the carrying capacity of the environment?
What does the graph represent? (a)
Provides support and protection for the cell, while also controlling the movement of materials in and out of the cell. (a)
What type of transport is illustrated? (a)
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have (a)
Structure B is pointing to the (a) .
Is the following cell diploid or haploid? (a)
Which species’ DNA is most similar to the DNA of the toothed whale? (a)
The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of (a)
Which type of cell has no nucleus? (a)
Which type of cell? (a)
What is another name for natural selection? (a)
What is a change in an organism that allows for it to survive in its environment? (a)
What is this an example of? (a)
This is a structure that was inherited but has lost most of its original function (a)
These structures share a common function but not structure ex) the wing of a bird and the wing of an insect (a)
This is a result of the organism's genetic variability, ability to reproduce and natural selection. (a)
(a)
Proteins are composed of what smaller building blocks? (a)
Which group of organic molecules serve as long-term energy storage and make the cell membrane is? (a)
The primary purpose the body uses monosaccharides for is? (a)
Attractions between water molecules are called (a)
Phospholipids have a _________ head and a __________ tail.
(a)
Enzymes are (a) that (b) chemical reactions.
Based on the graph, what temperature does this enzyme work best? (a)
Which of the following binds to the active site of an enzyme? (a)
Enzymes _ activation energy (a)
Which is the best conclusion for this experiment?
Two different populations of birds live in the same area and eat the same types of food. Which most likely describes the relationship between these two populations of birds? (a)
This cell is undergoing mitosis. What stage of mitosis is shown? (a)
The ability to taste a bitter chemical called PTC is a dominant trait in humans. The Punnett square below shows a cross between two parents who are heterozygous for the ability to taste this chemical. What is the probability, expressed as a percentage, that these parents will produce an offspring who is homozygous recessive for the tasting trait? (a)
What happens in the stage labeled "process 2"?
The stages of the cell cycle are shown in random order below. Starting with prophase, sequence the diagrams to show the stages of mitosis. (a)
The diagrams show the stages of mitosis in random order. What sequence correctly shows the stages of mitosis? (a)
The 1918 influenza epidemic killed between 50 million and 100 million people worldwide. THis epidemic happened near the end of World War I. More people died from the influenza epidemic than were killed in the war. Which of the following explains why this virus was so deadly worldwide?
Infected soldiers returning from the war spread the virus when they coughed.
Food was scarce because of the war, so people were undernourished, and their immune systems were weakened.
Medical personnel often became ill as a result of exposure to airborne virus particles.
All of the above
The diagram represents one way an enzyme can be inhibited. Which statement explains the effect of an inhibitor on an enzyme?
A substrate will be able to bond with the enzyme.
The enzyme will likely be attacked by immune cells
The enzyme will be unable to produce more enzymes.
A substrate will be unable to attach to the enzyme.
In the early 1900s a scientist hypothesized a link between DNA and the production of protein in the cytoplasm. However, the fact that DNA could not be found outside the nucleus led scientists to believe that another substance was also involved in the synthesis of protein in the cytoplasm. In the 1940s scientists performed an experiment that ultimately identified the site of protein synthesis. They also identified the molecule responsible for transporting information from the nucleus to the site of protein synthesis. What was the newly identified molecule? (a)
Which statement best describes the relationship between the products of photosynthesis and the reactants in cellular respiration?
The products of photosynthesis serve as the reactants in cellular respiration to provide chemical energy.
The products of photosynthesis combine with the reactants in cellular respiration to remove ATP from cells.
The products of photosynthesis inhibit the reactants in cellular respiration in the presence of light.
The products of photosynthesis change the structure of the reactants in cellular respiration in the presence of light.
Several structures work together to allow flowering plants to reproduce. The diagram shows a typical flower. Which table correctly identifies the function of each structure or group of structures in the reproduction of the plant?
Kidneys are part of the excretory system in a human body. They purify the impure blood and send it back to the rest of the body. Which system is mainly responsible for the transport of plasma to the kidneys? (a)
The function of a (a) is to absorb water, store food, and anchor plants.
Transports water and nutrients UP from the soil through all parts in the plant. Involved in transpiration. (a)
What is the structure in the picture? (a)
Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?
According to the food web, which of these supply energy for all the other organisms? (a)
The number of species within a specific habitat. (a)
Which of the following are missing from the food web shown above? (a)
Which is the most important criteria for a hypothesis to be useful in science? (a)
Look the the cross below.Yy x YyIn this cross, two yellow seed plants are crossed. What are the genotypes for the offspring in this cross? (a)
Which process produces the most variation within a species? (a)
Which technique would most likely be used by forensic scientists? (a)
During which phase of the cell cycle is the cell growing and preparing for cellular division? (a)
This organelle would NOT be found in animal cells. (a)
During which phase of the cell cycle is DNA replicated? (a)
What phase of mitosis is shown in the picture? (a)
This diagram shows the cell cycle.Which of the following activities occur in the G1 phase? (a)
What concept do these diagrams illustrate?
the abiotic factors of an environment
the biological adaptations of animals
the flow of energy through an ecosystem
the population of organisms within a habitat
Which of the following best describes the bluebird in the food chain? (a)
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, (a) occurs
The graph represents a reaction before and after the addition of an enzyme.
According to the graph, the addition of the enzyme
lowered the overall energy change in the reaction
decreased the amount of product produced
increased the potential energy of the products.
lowered the activation energy needed to speed up the reaction.
Having freckles is dominant over not having freckles. If two individuals heterozygous for freckles have a child, what is the probability the child will have freckles? (a)
Some marine worms and mollusks go through similar larval stages during development. Which can be inferred about their relationship? (a)
Which statement best describes natural selection?
As the weather changes, organisms that are able to find shelter need less energy to live.
Organisms that eat only plants need less food than organisms that eat animals.
Organisms better adapted to their environment are more likely to reproduce and pass on their traits to their offspring.
Small organisms are more likely to survive than larger organisms.
Some scientists claim recent evidence suggests birds should be reclassified to share more taxonomic groups with dinosaurs. What type of evidence would provide the best support for this claim?
evidence showing birds shared similar habitats with dinosaurs
evidence showing birds shared similar nutritional requirements as dinosaurs
evidence showing birds shared similar behaviors with dinosaurs
evidence showing birds shared a common genetic history with dinosaurs
Which statement best explains how sweating during exercise maintains homeostasis?
It regulates mineral concentrations in cells
It regulates body temperature
It maintains water balance
It maintains sugar balance in cells
Which statement best explains why animals are considered heterotrophic?
They are able to produce food through the process of photosynthesis.
They are able to produce food through the process of respiration.
They are able to obtain nutrients by decomposing plant and animal tissue.
They are able to obtain nutrients by consuming other organisms or their products
What will most likely be the result as humans move into new areas, forests are clear cut and housing developments are built?
Global temperatures will decrease because trees are removed.
Many organisms will lose their homes because their habitats have been destroyed.
Better sanitation in the area will reduce the amount of pollution.
The rainfall in the area will increase because there will be increased runoff.
Which process can occur in both mitosis and meiosis? (a)
What is the difference between the DNA of a dog and the DNA of a fly? (a)
Which graph best illustrates the growth of a population introduced into an environment with limited resources?
Which will most likely result in a negative growth rate in the human population of a country?
The death rate is higher than the birth rate
The birth rate is higher than the death rate
The country has improved economic conditions
The country has made improvements in sanitation
Which statement is best supported by the information in this dendrogram/evolutionary tree?
What is the most reasonable conclusion one can draw from a comparison of these structures?
Which process results in greater genetic diversity in offspring?
genetic linkage
recombination of DNA during meiosis
crossing-over during mitosis
rearrangement of chromosomes in germ cells
(a)
This mechanism of evolution occurs when populations migrate. (a)
Inherited trait that helps an organism survive is a(n) (a) .
