Multiple Choice A
How are prokaryotic cells and eukaryotic cells different from each other?
a. Eukaryotic cells are unicellular while prokaryotic cells are multicellular
b. Prokaryotic cells have one membrane while eukaryotic cells have two membranes
c. A Eukaryotic cell is a bacterium while prokaryotic cells is an organism consisting of many cells
d. Prokaryotic cells have dna that is membrane bound and Eukaryotic cells have dna that is not membrane bound
How do organisms obtain the energy needed to survive?
a. food
b. nutrients
c. sunlight
d. all of the above
How do organisms achieve homeostasis?
a. temperature regulation
b. ph balance
c. glucose regulation
d. all of the above
What are the roles of dna and rna in meiosis?
a. dna replicates and rna transcribes
b. dna provides genetic information while rna carries it to ribosomes
c. dna directs protein synthesis while rna doesn’t do anything with this process
d. dna and rna don’t do anything in meiosis
What is the relationship between genotypes and phenotypes?
a. genotypes determines phenotypes
b. phenotype determines genotype
c. they aren’t related to each other
d. they are the same
What is the difference between abiotic and biotic factors?
a. both are living factors
b. abiotic are living and biotic is non living
c. biotic are living and abiotic is non living
d. there isn’t a difference between the two
What are the different types of symbiotic relationships?
a. only mutualism
b. predation, competition, symbiosis
c. only commensalism
d. mutualism, commensalism, and parasitism
What are the differences between types of consumers?
a. there is none
b. autotrophs and heterotrophs
c. producers, consumers, decomposers
d. herbivores, carnivores, omnivore
What is the Law of Superposition?
a. the oldest layers are at the top
b. superposition is not a law
c. in the rock layers, the youngest are at the top
d. the rock layers are random so age doesn’t matter
How do nutrients cycle within an ecosystem?
a. they are constantly recycled
b. they are created by plants which leads to them being cycled
c. they disappear from the ecosystem leading to there it needing to be cycled
d. nutrients aren’t important in an ecosystem
How do organisms like autotrophs and heterotrophs obtain energy?
a. they obtain their own energy through consume other organisms
b. they obtain their own energy through making their own food
c. autotrophs make their own food to obtain energy while heterotrophs consume other organisms
d. these organisms don’t obtain energy
What is the evolutionary advantage of sexual reproduction?
a. faster reproduction rates the more you reproduce
b. increased genetic variation the more you reproduce
c. reduced competition to be able to sexually reproduce
d. that there is an easier reproductive process
More evolved organisms have a higher tendency to…?
a. reproduce asexually
b. have shorter lives
c. show complex behaviors
d. reside in environments of more harsher nature
How are relative dating and absolute dating similar?
a. both show exact age of rocks
b. both give information about age of rock formations
c. both rely on law of superposition
d. both use radioactive isotopes to determine age of rocks
Which describes evolution in terms of a scientific theory?
a. It’s a proven explanation of how life changes over time
b. it’s a group of facts about life’s history
c. a guess about how species originate
d. a belief system about how life started
How are pedigrees used to trace inheritance through generations?
a. pedigrees can’t trace inheritance through generations
b. they demonstrate the inheritance patterns of traits
c. they are used to observe family trees
d. they are used to observe cell division
What was the importance of Mendel's work with pea plants?
a. it invalidated the theory of evolution
b. it created the principles of inheritance
c. it showed that traits you acquire are inherited
d. It didn’t have a big impact of biology as a whole
What is the overall purpose of cellular respiration and photosynthesis?
a. to give plants nutrients
b. both make chemical energy available for life
c. is the only way plants survive
d. helps both plants and animals thrive but they may not always survive
What happens when the cell cycle goes awry?
a. the cells all die eventually causing the cycle to stop but no diseases occur
b. can cause uncontrolled cell division leading to someone getting cancer or a tumor
c. nothing happens it will eventually be controlled again
d. genetic errors can occur that can lead to getting a disease but I can be treated quickly
How does the lock and key method relate to enzyme function?
a. It shows how enzymes bind randomly to any molecule in the cell
b. It explains how enzymes change the shape to fit any substrate permanently
c. It demonstrates how a specific enzyme fits with a specific substrate
d. It shows how enzymes only work at temperatures that are higher
What is the overall purpose and process of the cell cycle?
a. to duplicate all of the DNA in the chromosomes and then separate the copies into two identical daughter cells.
b. a series of events that take place in the nucleus as it grows and divides.
c. all multicellular organisms grow and maintain their own cells and tissue through the proteins.
d. it is used for unicellular organisms to provide energy throughout their bodies to survive.
How are organisms classified in their kingdoms?
a. they are classified by their species
b. they are classified by their characteristics such as cell structures,reproduction, phylogenetic relationships,etc.
c. they are classified by their characteristics such as what they look like and if they are common ancestors of each other.
d. they aren’t classified it’s random
How many characteristics are shared in a kingdom compared to characteristics shared in a species?
a. in a kingdom there are fewer characteristics shared compared to the characteristics shared in a species
b. in a kingdom there are more characteristics shared compared to characteristics shared in a species.
c. there are an equal amount of characteristics for both organisms in a kingdom and organisms in a species.
d. there are no characteristics shared in either the kingdom or species.
What is the importance of a codon in protein synthesis?
a. It is a type of carbohydrate that helps provide energy for the process
b. It is a structural part of dna that is needed for the process
c. It codes for a specific amino acid used in the process
d. It doesn’t do anything in protein synthesis
Why is Cell Theory important?
a. allows us to understand how cells function
b. tells us about how cells came about and what they do for our body
c. allows us to understand how organisms are created, grow, and die
d. tells us how cells interact with each other