Cells
Molecules, DNA, and Reproduction
Reproduction
Mix of Biology
Random Trivia
100
How does the cell wall protect a plant cell?
A. The cell wall protects the cell by providing support and maintaining the cell's shape.
B. The cell wall protects the cell by storing food so the plant doesn't run out.
C. The cell wall is thin and flexible, which allows the cell to be moved without harming the organelles.
D. The cell wall is on the inside of the cell and serves to contain the contents of the cell.
A. The cell wall protects the cell by providing support and maintaining the cell's shape.
100
Katie wants to make ball-and-stick models of the four macromolecules. She has colored balls for each of the elements in these molecules, including the following.
red: hydrogen
black: carbon
purple: oxygen
green: nitrogen
In which macromolecule will she use the black, red, and purple balls in a ratio of 1:2:1?
a. carbohydrates
b. lipids
c. nucleic acids
d. proteins
a. carbohydrates
100
Which statement describes the F1 generation of a Mendelian monohybrid cross between two true-breeding parents?
a. Only the dominant trait is visible in the F1 generation.
b. Only the recessive trait is visible in the F1 generation.
c. Neither the dominant nor recessive trait is visible in the F1 generation.
d. Both the dominant and recessive traits are visible in the F1 generation.
a. Only the dominant trait is visible in the F1 generation.
100
There is an algal bloom in a bay in a populated area. As the leading marine biologist in the area, what is the most important thing to do, based on scientific evidence about such blooms?
a. warn people about which food is safe to eat
b. develop a strategy to prevent future algal blooms
c. encourage people to go clean the affected area
d. evacuate all wildlife from the bay
a. warn people about which food is safe to eat
100
What is the Grinch’s dog’s name?
Max
200
Chemicals used in chemotherapy treatments to fight cancer can also harm cells in hair follicles and bone marrow. What characteristic do these cells most likely share with cancerous cells?
a. They form tumors.
b. They spread through the blood.
c. They divide rapidly.
d. They contain a mutation.
c. They divide rapidly.
200
Which type of molecule stores the main source of energy used by animals?
a. lipids
b. protein
c. glycogen
d. starch
c. glycogen
200
The overall population of a species decreased. What could have occurred to make this happen?
a. The immigration rate increased, while the death rate decreased.
b. The birth rate decreased, while the death rate increased.
c. The carrying capacity increased, while the immigration increased.
d. The emigration increased, while the birth rate increased.
b. The birth rate decreased, while the death rate increased.
200
Which virus is correctly matched with its structure?
a. HIV—helical shape
b. polio—polyhedral shape
c. Ebola—complex shape
d. bacteriophage—enveloped shape
b. polio—polyhedral shape
200
Which math theorem states that in a right triangle, A² + B² = C²?
Pythaagorean Theorem
300
Which statement correctly distinguishes photosynthesis and respiration?
a. Photosynthesis occurs in animal cells and not plant cells.
b. Cellular respiration occurs in animal cells and not plant cells.
c. Photosynthesis uses chemical energy as energy source, and cell respiration uses light energy.
d. Photosynthesis uses light as energy source, and cell respiration uses chemical energy.
d. Photosynthesis uses light as energy source, and cell respiration uses chemical energy.
300
Which statement best describes the molecular structure of protein, along with one of the functions of proteins?
a. It is a straight chain hydrocarbon that can help fight disease.
b. It is a complex, folded chain that helps regulate cell processes.
c. It is a simple carbon, hydrogen, and oxygen molecule that creates movement.
d. It is a chain of nucleotides, and forms muscle, bone, and ligaments.
b. It is a complex, folded chain that helps regulate cell processes.
300
Drosophila eye color is an X-linked trait. Red eye color is dominant, and white eye color is recessive. Which Punnett square shows a cross in which the probability that offspring will be red-eyed males is 25 percent?
A.
B.
C. 
D.
B.
300
Aristo was riding in a car and noticed a pond that was covered in algal blooms due to excess phosphorus in the water. Which of these other features in the landscape could be the reason for the high levels of phosphorus?
a. many cars
b. cow pasture
c. solar panels
d. forest
b. cow pasture
300
Invented by Douglas Engelbart in 1963, the first computer mouse was made from what material?
Wood
400
Which statement best distinguishes plant cells and animal cells?
A. There are more ribosomes in animal cells than in plant cells.
B. Plant cells have more lysosomes than animal cells have.
C. Plant cells have large vacuoles, and animal cells do not.
D. The position of the nucleus in the cells is different in plants and animals.
C. Plant cells have large vacuoles, and animal cells do not.
400
During transcription, what happens to the RNA polymerase if a repressor protein attaches to the operator?
a. It begins transcription.
b. It begins translation.
c. It cannot attach to enzyme 1.
d. It cannot attach to the promoter.
d. It cannot attach to the promoter.
400
Mutations within an organism can occur in body cells or reproductive cells. Which type of mutation is seen in a sperm cell but not in a skin cell?
a. somatic mutation
b. missense mutation
c. nonsense mutation
d. germline mutation
d. germline mutation
400
Kudzu is a vine that was brought to the United States from Japan to prevent erosion. Once here, kudzu became invasive. What role does kudzu most likely play in the environment in the United States?
a. Kudzu experiences loss due to overeating by livestock.
b. Kudzu is very susceptible to harsh winter conditions.
c. Kudzu outcompetes native plants for sunlight and nutrients.
d. Kudzu reproduces at a slow rate.
c. Kudzu outcompetes native plants for sunlight and nutrients.
400
What candy was originally known as “chicken feed”?
Candy Corn
500
Which is a component of the modern cell theory that was not part of the original cell theory?
a. All organisms are made of cells.
b. All cells are similar in composition and metabolic activities.
c. All cells come from preexisting cells.
d. A cell is the basic unit of structure and function for all living things.
b. All cells are similar in composition and metabolic activities.
500
Which is required for sexual reproduction?
a. mitosis
b. binary fission
c. diploid cell production
d. meiosis
d. meiosis
500
The graph shows the frequency of two alleles for a genetic trait in a population.
Which question is a biologist most likely to ask after seeing this graph?
a. Did the observer make the wrong observations in generation 5?
b. How many individuals were observed in each generation?
c. Is there a theory that explains the results in the graph?
d. Will the frequency of the alleles in this population change again?
d. Will the frequency of the alleles in this population change again?
500
Consider this microscopic image of bacteria.
Which bacterial form is shown in the image?
a. bacillus
b. nucleoid
c. spirillum
d. coccus
d. coccus
500
What was the first vegetable ever to be grown in space?
Potato