WorksheetsReview Test on Evolution and Cell Organelles
Total questions: 99
Worksheet time: 1hrs 15mins
Which statement about viruses is true?
Viruses contain organelles for energy production.
Viruses require a host cell to replicate.
Viruses are made up of cells.
Viruses can reproduce on their own.
Which gas is necessary for cells to produce the most energy?
Carbon dioxide
Hydrogen
Oxygen
Nitrogen
Which best explains how a species develops resistance to pesticides?
Genetic variations allow some individuals to survive and reproduce.
The pesticide mutates the DNA of the species, making them resistant.
The species chooses to become resistant to survive.
All individuals in the population become resistant at the same time.
Which characteristic distinguishes bacteria from viruses?
Bacteria require a host to reproduce, but viruses do not.
Bacteria do not have DNA, while viruses do.
Bacteria can cause disease, but viruses cannot.
Bacteria contain cells, but viruses do not.
Why do muscle cells have more mitochondria than skin cells?
Muscle cells use more energy than skin cells.
Mitochondria are only found in muscle cells.
Skin cells do not need ATP.
Muscle cells store more DNA.
What is the role of phospholipids in the cell membrane?
A) They produce ATP for the cell.
B) They make the membrane rigid and impermeable.
Which macromolecule provides the fastest source of energy?
Proteins
Lipids
Nucleic Acids
Carbohydrates
Which statement is not part of Darwin’s theory of natural selection?
A) More offspring are produced than can survive.
B) Organisms develop new traits based on their needs.
C) There is a natural variation of traits within a species.
D) Organisms that are better adapted have a greater chance of survival.
What is it called when a physical barrier separates a species, leading to the formation of a new species?
Immigration
Divergent evolution
Convergent evolution
Emigration
What does the presence of homologous structures suggest about organisms?
They share a common ancestor.
They belong to the same species.
They have identical DNA.
They live in the same habitat.
What happens if the temperature increases to 60°C in an enzyme reaction?
The enzyme would not be affected.
The enzyme would work faster.
The enzyme would be denatured and stop functioning.
The enzyme would produce more energy.
Which domain includes organisms that live in extreme environments?
Eukarya
Protista
Bacteria
Archaea
Which evidence supports the endosymbiotic theory?
Mitochondria have their own DNA and reproduce like bacteria.
Eukaryotic cells have a plasma membrane.
Organelles within a cell communicate with each other.
All cells have mitochondria.
Why does the flu vaccine need to be updated every year?
The vaccine weakens over time.
The flu virus adapts and mutates.
The vaccine loses effectiveness after one use.
The immune system stops responding after a year.
What would happen if a freshwater plant were placed in saltwater?
The plant’s cells would absorb more water.
The plant’s cells would take in salt to maintain homeostasis.
The plant’s cells would block water from entering.
The plant’s cells would lose water and shrink.
A student sets up an experiment where yeast breaks down sugar and produces a gas. What question is the student testing?
Does yeast use sugar for energy and release gas?
Does sugar dissolve in water?
Does sugar turn into protein?
Does yeast absorb water for respiration?
What is the best way to test if an ancient horse fossil is related to modern horses?
Perform a DNA comparison.
Analyze the horse’s diet.
Create a model of bones from similar burial sites.
Observe how horses behave in different environments.
Which statement correctly compares viruses and eukaryotic cells?
A) A virus does not contain organelles, while a eukaryotic cell does.
B) A virus has DNA inside a nucleus, while eukaryotic cells do not.
C) A virus is made up of cells, while eukaryotic cells are not.
D) A virus can reproduce on its own, but a eukaryotic cell cannot.
What is the main function of analogous structures?
They provide evidence of common ancestry.
They develop due to similar environmental pressures.
They indicate that two species belong to the same genus.
They show differences in DNA sequences.
How do fossils provide evidence for evolution?
A) They show how organisms have changed over time.
B) They prove that all species evolve at the same rate.
C) They indicate that extinction never occurs.
D) They demonstrate that all species originated simultaneously.
Which process increases biodiversity in a population?
Genetic mutations
Natural disasters
Stable environments
Environmental destruction
What is genetic drift?
A) A sudden increase in genetic variation.
B) The movement of genes between populations.
C) A random change in allele frequencies over time.
D) A mechanism that prevents evolution.
Which type of evolution occurs when unrelated species develop similar traits due to similar environments?
A) Divergent evolution
B) Convergent evolution
C) Genetic drift
D) Artificial selection
Which mechanism directly results in the evolution of a species?
Random mating
Variation in traits
Selective breeding
Genetic equilibrium
What does a phylogenetic tree show?
A) Relationships between species based on DNA and traits.
B) The diet of different organisms.
C) The daily movement of an organism.
D) The lifespan of different species.
Which gas is necessary for cells to produce the most energy?
Hydrogen
Carbon dioxide
Oxygen
Nitrogen
Which best explains how a species develops resistance to pesticides?
The species chooses to become resistant to survive.
All individuals in the population become resistant at the same time.
The pesticide mutates the DNA of the species, making them resistant.
Genetic variations allow some individuals to survive and reproduce.
Which characteristic distinguishes bacteria from viruses?
A) Bacteria do not have DNA, while viruses do.
B) Bacteria require a host to reproduce, but viruses do not.
C) Bacteria contain cells, but viruses do not.
D) Bacteria can cause disease, but viruses cannot.
Why do muscle cells have more mitochondria than skin cells?
What is the role of phospholipids in the cell membrane?
A) They actively transport molecules across the membrane.
B) Their hydrophobic tails form a barrier against water.
C) They produce ATP for the cell.
D) They make the membrane rigid and impermeable.
Which macromolecule provides the fastest source of energy?
Lipids
Proteins
Nucleic Acids
Carbohydrates
Which statement is not part of Darwin’s theory of natural selection?
A) Organisms develop new traits based on their needs.
B) More offspring are produced than can survive.
C) There is a natural variation of traits within a species.
D) Organisms that are better adapted have a greater chance of survival.
What is it called when a physical barrier separates a species, leading to the formation of a new species?
Convergent evolution
Immigration
Divergent evolution
Emigration
What does the presence of homologous structures suggest about organisms?
They belong to the same species.
They share a common ancestor.
They live in the same habitat.
They have identical DNA.
Which structures are examples of analogous structures?
A) A whale fin and a horse leg
B) A butterfly wing and a bird wing
C) A human arm and a bat wing
D) A dolphin flipper and a cat leg
What happens if the temperature increases to 60°C in an enzyme reaction?
The enzyme would be denatured and stop functioning.
The enzyme would produce more energy.
The enzyme would work faster.
The enzyme would not be affected.
Which domain includes organisms that live in extreme environments?
Eukarya
Bacteria
Protista
Archaea
Which evidence supports the endosymbiotic theory?
All cells have mitochondria.
Organelles within a cell communicate with each other.
Eukaryotic cells have a plasma membrane.
Mitochondria have their own DNA and reproduce like bacteria.
How do fossils provide evidence for evolution?
A) They indicate that extinction never occurs.
B) They prove that all species evolve at the same rate.
C) They demonstrate that all species originated simultaneously.
D) They show how organisms have changed over time.
Which process increases biodiversity in a population?
Natural disasters
Environmental destruction
Genetic mutations
Stable environments
What is genetic drift?
The movement of genes between populations.
A sudden increase in genetic variation.
A random change in allele frequencies over time.
A mechanism that prevents evolution.
What does a phylogenetic tree show?
The daily movement of an organism.
The lifespan of different species.
Relationships between species based on DNA and traits.
The diet of different organisms.
Which type of evolution occurs when unrelated species develop similar traits due to similar environments?
Convergent evolution
Divergent evolution
Genetic drift
Artificial selection
Which mechanism directly results in the evolution of a species?
Selective breeding
Genetic equilibrium
Random mating
Variation in traits
Which of the following best describes the difference between analogous and homologous structures?
Homologous structures result from similar environmental pressures, while analogous structures come from common ancestry.
Analogous structures result from common ancestry, while homologous structures result from different evolutionary paths.
Homologous structures have similar structures but different functions due to common ancestry, whereas analogous structures have different structures but similar functions due to environmental factors.
Analogous structures share the same DNA sequences, while homologous structures do not.
What happens when a small population of organisms is separated by a geographic barrier?
They become identical over time.
They undergo genetic drift and may evolve into separate species.
They immediately become extinct.
They will adapt to the same traits as the original population.
Which is not considered evidence for evolution?
Fossil records
Embryonic similarities
DNA sequence comparisons
Seasonal migration patterns
Why do species with more shared classification levels have more similarities?
They have evolved separately for long periods of time.
They share more common ancestors and genetic traits.
What is the primary reason genetic variation is important in a population?
It decreases survival rates in unstable environments.
It allows populations to adapt to changing environments.
It ensures all individuals are identical.
It prevents natural selection from occurring.
Which of the following statements is true about analogous structures?
A) They have a similar structure and function due to common ancestry.
B) They have different structures but similar functions due to environmental factors.
C) They live in the same environment and develop similar characteristics.
D) They are exposed to identical environmental factors.
Viruses require a host cell to replicate.
True
False
Oxygen.
(a)
Genetic variations allow some individuals to survive and reproduce.
Bacteria contain cells, but viruses do not.
True
False
Muscle cells use more energy than skin cells.
(a)
Their hydrophobic tails form a barrier against water.
True
False
Carbohydrates. (D)
Organisms develop new traits based on their needs.
True
False
Divergent evolution.
They share a common ancestor.
True
False
A butterfly wing and a bird wing.
The enzyme would be denatured and stop functioning.
True
False
Archaea.
Mitochondria have their own DNA and reproduce like bacteria.
True
False
They show how organisms have changed over time.
A. Fossils
B. DNA
C. Evolution
D. All of the above
Genetic mutations. (C)
A random change in allele frequencies over time.
A random change in allele frequencies over time.
A systematic change in allele frequencies over time.
A change in phenotype frequencies over time.
A change in genotype frequencies over time.
Relationships between species based on DNA and traits.
(a)
Convergent evolution.
Variation in traits. (D)
Which statement about viruses is true?
A) Viruses are made up of cells.
B) Viruses require a host cell to replicate.
C) Viruses can reproduce on their own.
D) Viruses contain organelles for energy production.
Which gas is necessary for cells to produce the most energy?
Nitrogen
Carbon dioxide
Hydrogen
Oxygen
Which best explains how a species develops resistance to pesticides?
Genetic variations allow some individuals to survive and reproduce.
The pesticide mutates the DNA of the species, making them resistant.
Which characteristic distinguishes bacteria from viruses?
A) Bacteria do not have DNA, while viruses do.
B) Bacteria require a host to reproduce, but viruses do not.
C) Bacteria contain cells, but viruses do not.
D) Bacteria can cause disease, but viruses cannot.
Why do muscle cells have more mitochondria than skin cells?
Skin cells do not need ATP.
Mitochondria are only found in muscle cells.
Muscle cells use more energy than skin cells.
Muscle cells store more DNA.
What is the role of phospholipids in the cell membrane?
They actively transport molecules across the membrane.
Their hydrophobic tails form a barrier against water.
They produce ATP for the cell.
They make the membrane rigid and impermeable.
Which macromolecule provides the fastest source of energy?
Lipids
Proteins
Nucleic Acids
Carbohydrates
Which statement is not part of Darwin’s theory of natural selection?
A) Organisms develop new traits based on their needs.
B) More offspring are produced than can survive.
C) There is a natural variation of traits within a species.
D) Organisms that are better adapted have a greater chance of survival.
What is it called when a physical barrier separates a species, leading to the formation of a new species?
Convergent evolution
Immigration
Divergent evolution
Emigration
What does the presence of homologous structures suggest about organisms?
A) They belong to the same species.
B) They share a common ancestor.
C) They live in the same habitat.
D) They have identical DNA.
Which structures are examples of analogous structures?
A) A whale fin and a horse leg
B) A butterfly wing and a bird wing
C) A human arm and a bat wing
D) A dolphin flipper and a cat leg
What happens if the temperature increases to 60°C in an enzyme reaction?
The enzyme would be denatured and stop functioning.
The enzyme would produce more energy.
The enzyme would work faster.
The enzyme would not be affected.
Which domain includes organisms that live in extreme environments?
Eukarya
Bacteria
Protista
Archaea
Which evidence supports the endosymbiotic theory?
All cells have mitochondria.
Organelles within a cell communicate with each other.
Eukaryotic cells have a plasma membrane.
Mitochondria have their own DNA and reproduce like bacteria.
How do fossils provide evidence for evolution?
A) They indicate that extinction never occurs.
B) They prove that all species evolve at the same rate.
C) They demonstrate that all species originated simultaneously.
D) They show how organisms have changed over time.
Which process increases biodiversity in a population?
Natural disasters
Environmental destruction
What is genetic drift?
The movement of genes between populations.
A sudden increase in genetic variation.
A random change in allele frequencies over time.
A mechanism that prevents evolution.
What does a phylogenetic tree show?
The daily movement of an organism.
The lifespan of different species.
Relationships between species based on DNA and traits.
The diet of different organisms.
Which type of evolution occurs when unrelated species develop similar traits due to similar environments?
A) Convergent evolution
B) Divergent evolution
C) Genetic drift
D) Artificial selection
Which mechanism directly results in the evolution of a species?
A) Selective breeding
B) Genetic equilibrium
C) Random mating
D) Variation in traits
Which of the following best describes the difference between analogous and homologous structures?
Homologous structures result from similar environmental pressures, while analogous structures come from common ancestry.
Analogous structures result from common ancestry, while homologous structures result from different evolutionary paths.
Homologous structures have similar structures but different functions due to common ancestry, whereas analogous structures have different structures but similar functions due to environmental factors.
Analogous structures share the same DNA sequences, while homologous structures do not.
What happens when a small population of organisms is separated by a geographic barrier?
Which is not considered evidence for evolution?
Fossil records
Embryonic similarities
DNA sequence comparisons
Seasonal migration patterns
Why do species with more shared classification levels have more similarities?
They have evolved separately for long periods of time.
They share more common ancestors and genetic traits.
They live in the same environment and develop similar characteristics.
They are exposed to identical environmental factors.
What is the primary reason genetic variation is important in a population?
It decreases survival rates in unstable environments.
It allows populations to adapt to changing environments.
It ensures all individuals are identical.
It prevents natural selection from occurring.
What is the cause of genetic mutations?
Natural selection
Genetic drift
Genetic mutations
Gene flow
What is a random change in allele frequencies over time?
Natural selection
Genetic drift
A random change in allele frequencies over time
Gene flow
What describes relationships between species based on DNA and traits?
Natural selection
Genetic drift
Relationships between species based on DNA and traits
Gene flow
What is convergent evolution?
Convergent evolution
Genetic drift
Natural selection
Gene flow
