BIO EOC REVIEW

1

100

A scientist observes a cell that has no cell wall, no nucleus, and no visible organelles. What kind of cell is the scientist observing? A.) protist, B.) gamete, C.) plant cell, D.) prokaryote

What is D.) prokaryote?

200

Which of these is responsible for the “rough” appearance of endoplasmic reticulum? A.) ribosomes, B.) DNA, C.) enzymes, D.) Lysosomes

What is A.) ribosomes?

300

Which of the following characteristics defines a cell as a eukaryote? A.) Being able to move, B.) Being able to reproduce C.) Having a nucleus, D.) Having ribosomes

What is C.) Having a nucleus?

400

Both lipids and carbohydrates are important in animal cells because both- A.) provides insulation, B.) contain nitrogen, C.) form cell walls, D.) store energy

What is D.) store energy?

500

Algae and multicellular plants are autotrophs because they- A.) capture sunlight to produce sugars, B.) decompose dead animals, C.) absorb nutrients from soil, D.) break down starches to glucose

What is A.) capture sunlight to produce sugars?

2

100

What are the reactants for cellular respiration? A.) H2O and O2, B.) Glucose and O2, C.) Glucose and CO2, D.) H2O and CO2

What is B.) Glucose and O2?

200

Bones do all of the following except- A.) store calcium, B.) protect organs, C.) make nerve cells, D.) make blood cells

What is C.) make nerve cells?

300

When there is a lower concentration of water outside of a plant cell rather than inside a plant cell, the plant will tend to- A.) grow toward the sun, B.) gain water and become rigid ,C.) increase its rate of photosynthesis D.) lose water and wilt

What is D.) lose water and wilt?

400

Most cellular activities are processes regulated by the action of- A.) enzymes, B.) carbohydrates, C.) lipids, D.) polysaccharides

What is A.) enzymes?

500

Which of these is most responsible for carrying coded information from the nucleus? A.) the cell membrane, B.) mRNA, C.) ATP, D.) the ribosomes

What is B.) mRNA?

3

100

The chances of developing cancer, diabetes, or sickle-cell anemia are higher if a family member also has the disorder because they are- A.) highly infectious, B.) passed through blood content, C.) related to diet, D.) genetically based

What is D.) genetically based?

200

Which event during meiosis introduces genetic variation between parents and offspring? A.) condensation of the chromatin to form distinct chromosomes, B.) replication of DNA to make multiple copies of genetic material, C.) crossing over of homologous sequences between matching chromosomes, D.) migration of chromosomes to opposite sides of the cell along microtubules

What is C.) crossing over of homologous sequences between matching chromosomes?

300

Human produced carbon dioxide is a problem because it- A.) leads to higher global temperatures, B.) disrupts the natural cycling of other greenhouse gases, C.) adds too much carbon dioxide to the oceans, D.) causes uncontrolled photosynthesis

What is A.) leads to higher global temperatures?

400

The members of an animal community are usually similar in- A.) size, B.) structure, C.) food requirements, D.) environmental requirements

What is D.) environmental requirements?

500

The body usually responds to foreign material by forming- A.) hormones, B.) antibodies, C.) vaccines, D.) antigens

What is B.) antibodies?

4

100

The fact that a healthy deer can outrun a timber wolf is an example of A.) mutation, B.) isolation, C.) non-random mating, D.) natural selection

What is D.) natural selection?

200

Movement of cell against concentration gradient is called- A.) osmosis, B.) active transport, C.) diffusion, D.) passive transport

What is B.) active transport?

300

The structure of the leaf best supports the process of A.) water absorption for transpiration., B.) gas exchange for photosynthesis., C.) energy absorption for cellular reproduction., D. water absorption for cellular respiration.

What is B.) gas exchange for photosynthesis.?

400

Which of the following explains why people need to get a flu shot each year? A.) Antibodies for the flu virus only last for one year., B.) The flu virus eventually breaks down the vaccine., C.) The flu virus is constantly mutating and changing., D.) There are not enough antibodies in the vaccine to kill the entire virus.

What is C.) The flu virus is constantly mutating and changing?

500

In humans, freckles are dominant and a lack of freckles is recessive. what is the probability that a child would have freckles if one parent is homozygous for freckles and one parent does not have freckles? A.) 0%, B.) 25%, C.) 75%, D.) 100%

What is D.) 100%

5

100

All organisms contain four organic molecules. Which group of molecules contains fatty acids and glycerol, is insoluble in water, and functions in long-term energy storage? A.) carbohydrates, B.) nucleic acids, C.) proteins, D.) lipids.

What is D.) lipids?

200

As growing cells reach a certain size, they undergo mitosis. How does mitosis help cells maintain efficient function? A.) Mitosis reduces the amount of energy needed by cells, B.) Mitosis provides more storage space for waste materials, C.) Mitosis produces new genetic material for control of cell processes, D.) Mitosis keeps the cell volume and surface area in proper proportion.

What is D.) Mitosis keeps the cell volume and surface area in proper proportion?

300

Down syndrome occurs when there's three copies of chromosome 21. How? A.) improper crossing over during meiosis 1, B.) mutation of chromosome 21 after meiosis is completed, C.) lack of spindle fiber attachment to centromeres during meiosis 1, D.) lack of separation of homologous chromosomes during meiosis 2.

What is C.) lack of spindle fiber attachment to centromeres during meiosis 1?

400

A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound? A.) carbohydrates, B.) lipids, C.) nucleic acids, D.) proteins

What is C.) nucleic acids?

500

A cloned plant has a diploid chromosome number of 12. What is the diploid chromosome number of the plant cell that was used to produce the cloned plant? A.) 6, B.) 12, C.) 18, D.) 24

What is B.) 12?