WorksheetsSemester 2 Biology Final
Total questions: 50
Worksheet time: 50mins
A rat is
Multicellular and autotrophic
classified in kingdom animalia
The main predator of cats
all responses are correct
Plants that produce flowers are called
angiosperms
gymnosperms
perennials
trees
What type of cell in a plant controls the opening and closing of the stoma?
Palisade cells
Gas cells
Guard cells
Animal cells
Which organ system is responsible for the exchange of CO2 for O2 at the cellular level in muscles throughout the body?
Circulatory
Endocrine
Nervous
Respiratory
Plants release water into the atmosphere through the process of
Transpiration
Translocation
Perspiration
Evaporation
Which part of the plant is responsible for moving water?
phloem
xylem
straws
tubers
If a female guinea pig homozygous for black fur is mated with a white male, where black is dominant to white, the resulting 8 offspring would most likely be
All black
2 black, 4 gray, 2 white
4 black and 4 white
All White
The gamete that contributes the genes of the mother to an offspring is the
Sperm
Egg
Zygote
Embryo
A couple has two children, both of whom are boys. What is the chance the next child will also be male?
0%
25%
50%
75%
A dog’s phenotype is identified by
Its physical appearance
Looking at its license
vaccination
The physical appearance of its parents
A white mouse whose parents were both white produces only brown offspring. The genotype for white fur must be
dominant
Incompletely dominant
Co dominant
recessive
If a pattern of inheritance for a trait is completely dominant, then an organism that is heterozygous for the trait would normally express
The recessive trait only
The dominant trait only
A blend of both the recessive and dominant traits
A phenotype different from its parents
The Audubon Society recently released a study that showed that the populations of some bird species have decreased in number by as much as 50% since 1966. The study eliminated food and water shortages and natural cycles as causes for the decrease. Which factor might have contributed to this decline?
overproduction of bird offspring
destruction of natural habitats
fewer predators
an energy rich diet
Abiotic factors that affect the growth of grass in a lawn include
bacteria and soil
earthworms and nutrients
moisture and minerals
fertilizer and decomposers
The carrying capacity for herbivores in a habitat is most directly affected by the availability of
heat energy released by carnivores
carbon dioxide in the atmosphere
photosynthetic organisms
decomposers in the soil
Which statement describes one characteristic of this molecule?
It is the template for the replication of genetic information
Organic catalysts are made up of these molecules.
It is different in each cell of an organism
Cell membranes contain many of these molecules.
The absence of a distinct nucleus and other membrane bound organelles describes
A protist
A eukaryote
A prokaryote
A plant
Which of the following is a characteristic of organisms belonging to the Kingdom Animalia?
They are autotrophic
They are unicellular
They contain peptidoglycan cell walls
They are heterotrophic
Complete the correct order: Domain, Kingdom, phylum, --?
Class, order, family , genus, species
Order, family, class, genus, species
Family, class, order, genus, species
Order, family, class, species, genus
Refer to the illustration above. Which trophic level contains the greatest amount of energy?
a
b
c
d
Which phrase best defines evolution?
An adaptation of an organism to its environment
A geographic isolation of an organism
A sudden replacement of one community by another
A series of adaptive changes over time
In attempting to classify a newly discovered organism, the following characteristics were documented: unicellular, heterotrophic, contains a nucleus. To which kingdom does this organism belong?
Eubacteria
Plantae
Animalia
Fungi
In modern classification, blue green algae, plants and some bacteria are
Archaea
Animals
Protists
Autotrophic
In which group do all the organisms belong to the same kingdom?
Yeast, mushroom, maple tree
Paramecium, amoeba, euglena
Bacteria, amoeba, tick
Bacteria, algae, ferns
A fungus is classified as a heterotroph rather than an autotroph because it
Grows by mitosis
Manufactures its own food
Absorbs food from the environment
Transforms light into chemical energy
The most diverse eukaryotic kingdom is
Protista
Plantae
Animalia
Fungi
The process in which plants capture energy and make organic molecules is known as
homeostasis
evolution
photosynthesis
development
Distinct groups of cells with a similar structure and function are called
organ systems
tissues
organs
bodies
Which kingdom contains both unicellular and multicellular organisms?
Protista
Fungi
Both
None
Major ecosystems that occur over wide areas of land are called
communities
habitats
biomes
food chains
Characteristics that enable plants to protect themselves from herbivores include
thorns and prickles
sticky hairs and tough leaves
chemical defenses
All of these are correct
Refer to the illustration. The relationship shown in diagram 4 is
commensalism
competition
mutualism
parasitism
Protista is an example of a
kingdom
class
genus
species
Populations of the same species living in different places
do not vary
always show balancing selection
have a half-life in relation to the size of the population
become increasingly different as each becomes adapted to its own environment
Natural selection could not occur without
genetic variation in species
environmental changes
competition for unlimited resources
gradual warming of Earth
Natural selection is the process by which
the age of selected fossils is calculated
organisms with traits well suited to their environment survive and reproduce at a greater rate than less well-adapted organisms in the same environment
acquired traits are passed on from one generation to the next
All of these are correct
Refer to the illustration. The cross would result in which of the following?
4 identical genotypes
75% black fur: 25% brown fur
4 identical phenotypes
3 homozygous: 1 heterozygous offspring
Which statement is a valid conclusion that can be drawn from the diagram?
Snails appeared on Earth before corals.
Sponges were the last new species to appear on Earth.
Earthworms and sea stars have a common ancestor.
Insects are more complex than mammals.
The diagram shows some of the steps in protein synthesis. The section of DNA being used to make the strand of mRNA is known as a
mRNA receptor
Lagging Strand
Template
tRNA
The diagram represents an interaction between parts of an organism. The term “organ” in this feedback mechanism represents:
Control center
stimulus
effector
hormone
A volcanic eruption destroyed a forest, covering the soil with volcanic ash. For many years, only small plants could grow. Slowly, soil formed in which shrubs and trees could grow. These changes are an example of
manipulation of genes
evolution of a species
ecological succession
equilibrium
Grass → Cricket → Frog → Owl
This food chain contains
4 consumers and no producers
1 predator, 1 parasite, and 2 producers
2 carnivores and 2 herbivores
2 predators, 1 herbivore, and 1 producer
Which factor has the greatest influence on the type of ecosystem that will form in a particular geographic area?
genetic variations in the animals
climate conditions
number of carnivores
percentage of nitrogen gas in the atmosphere
In an ecosystem, the growth and survival of organisms are dependent on the availability of the energy from the Sun. This energy is available to organisms in the ecosystem because
producers have the ability to store energy from light in organic molecules
consumers have the ability to transfer chemical energy stored in bonds to plants
all organisms in a food web have the ability to use light energy
all organisms in a food web feed on autotrophs
The diagram represents the cloning of a carrot plant. Compared to each cell of the original carrot plant, each cell of the new plant will have
the same number of chromosomes and the same types of genes
the same number of chromosomes, but different types of genes
half the number of chromosomes and the same types of genes
half the number of chromosomes, but different types of genes
Which process will increase variations that could be inherited?
mitotic cell division
active transport
crossing over during meiosis
synthesis of proteins
When is extinction of a species most likely to occur?
when environmental conditions remain the same and the proportion of individuals within the species that lack adaptive traits increases
when environmental conditions remain the same and the proportion of individuals within the species that possess adaptive traits increases
when environmental conditions change and the adaptive traits of the species favor the survival and reproduction of some of its members
when environmental conditions change and the members of the species lack adaptive traits to survive and reproduce
Certain insects resemble the bark of the trees on which they live. Which statement provides a possible biological explanation for this resemblance?
The insects needed camouflage so they developed protective coloration
Natural selection played a role in the development of this protective coloration.
The lack of mutations resulted in the protective coloration.
The trees caused mutations in the insects that resulted in protective coloration
A stable pond ecosystem would not contain
materials being cycled
oxygen
decomposers
more consumers than producers
The chart contains both autotrophic and heterotrophic organisms. Organisms that carry out only heterotrophic nutrition are found in:
row A, only
rows A and B
row B, only
rows A and C
