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WorksheetsBIOL1307 Exam 2 Review Quiros
Total questions: 50
Worksheet time: 25mins
What is a virus primarily composed of?
DNA or RNA and a protein coat
Lipid bilayer and protein coat
Cell wall and DNA
RNA and a cell membrane
Which of the following is true about viral replication?
Viruses can replicate on their own.
Viruses rely on a host cell for replication.
Viral replication happens through binary fission.
All viruses use RNA to replicate.
What is the lytic cycle?
A process where the virus integrates into the host's DNA.
A replication cycle that kills the host cell.
A cycle that repairs the host cell.
A cycle that only infects bacterial cells.
Prokaryotes are distinguished from eukaryotes by:
Lack of a nucleus
Having membrane-bound organelles
Larger size
Having multiple chromosomes
Which structure enables bacteria to move?
Cilia
Flagella
Pili
Ribosome
What is the primary function of plasmids in bacteria?
Photosynthesis
Storage of genetic information
Conjugation and antibiotic resistance
ATP production
Protists are primarily found in:
Dry environments
Aquatic environments
Desert environments
Volcanic regions
What is phagocytosis in protists?
The use of cilia for movement
The engulfing of food particles
Photosynthesis for energy
Reproduction by binary fission
Which of the following is a characteristic of slime molds?
They are exclusively parasitic.
They behave as single cells in abundant food.
They only reproduce asexually.
They are prokaryotic.
Fungi cell walls are primarily made of:
Cellulose
Chitin
Glycogen
Peptidoglycan
Fungi obtain nutrients by:
Photosynthesis
Absorbing organic material through extracellular digestion
Engulfing food particles
Parasitizing animals only
What type of reproduction introduces genetic variation in fungi?
Asexual reproduction
Sexual reproduction
Budding
Fragmentation
Which of the following was a major adaptation of early land plants?
Development of a vascular system
Production of seeds
Alternation of generations
Loss of chloroplasts
What is the role of apical meristems in plants?
Photosynthesis
Protection from herbivores
Growth in length
Formation of seeds
Bryophytes are characterized by:
Having a dominant sporophyte generation
Lack of true roots and lignin
Producing seeds
Being able to live in completely dry environments
Seed plants are distinguished by the development of:
Flowers
Spores
Pollen and seeds
Photosynthetic roots
Gymnosperms produce seeds that:
Are enclosed in a fruit
Are naked and exposed on cones
Require water for fertilization
Are produced only through asexual reproduction
Angiosperms differ from gymnosperms because:
They do not produce seeds
Their seeds are enclosed in fruits
They rely on wind for pollination
They lack a vascular system
What is the function of the flower in angiosperms?
Provide nutrients to the plant
Protect the seeds from predators
Facilitate pollination and protect the developing embryo
Absorb water and nutrients
What is a defining feature of all animals?
Photosynthesis
Being motile at some life stage
Cell walls made of chitin
Reproducing only asexually
Most animals reproduce:
Sexually
Asexually
By budding
Through binary fission
Bilateral symmetry in animals allows for:
The development of a central nervous system
Floating in water
Producing seeds
Photosynthesis
What type of body plan do cnidarians, such as jellyfish, exhibit?
Asymmetry
Bilateral symmetry
Radial symmetry
Segmented symmetry
What are Hox genes responsible for?
Metabolism
Controlling development of body plans in animals
Nutrient absorption
Muscle contraction
Which structure in fungi produces spores during sexual reproduction?
Mycelium
Hyphae
Fruiting body
Phloem
What type of relationship is formed between plant roots and fungi?
Parasitic
Mutualistic (Mycorrhizae)
Competitive
Symbiotic with bacteria
Xylem and phloem are responsible for:
Reproduction in plants
Transporting water and nutrients in vascular plants
Providing structure in fungi
Absorbing sunlight for photosynthesis
What is the dominant generation in ferns and other seedless vascular plants?
Gametophyte
Sporophyte
Zygote
Seedling
Which part of the plant is responsible for photosynthesis?
Roots
Leaves
Stems
Flowers
In conifers, the male gametophyte is contained within:
The ovule
Pollen grains
The seed coat
The stamen
What does the pollen tube in seed plants do?
Protects the pollen from dehydration
Transports sperm to the egg for fertilization
Disperses pollen across large areas
Nourishes the developing seed
What is a retrovirus?
A virus that uses DNA as its genetic material
A virus that turns its RNA genome into DNA during replication
A virus that only infects bacteria
A virus that cannot replicate inside a host
The Baltimore Classification system classifies viruses based on:
Their type of host
The presence of an envelope
How mRNA is produced during replication
The type of nucleic acid they have
Which virus uses the CD4 receptor on human immune cells to enter the host?
Influenza
HIV
Rabies
Hepatitis A
What is the function of peptidoglycan in bacterial cell walls?
Provides a barrier against viruses
Helps bacteria in photosynthesis
Provides structural support and shape
Allows bacteria to move using flagella
Gram-positive bacteria differ from gram-negative bacteria by:
Having a thicker cell wall
Having a thinner cell wall
Possessing an outer membrane
Being resistant to antibiotics
Which type of environment would you most likely find a halophile living in?
High temperatures
High salt concentrations
Acidic environments
Low oxygen conditions
What characteristic separates protists from bacteria?
Protists have a nucleus and membrane-bound organelles.
Protists are only single-celled.
Protists lack a cell membrane.
Protists cannot move.
Which of the following is a type of photoautotrophic protist?
Amoeba
Paramecium
Euglena
Giardia
The process by which protists exchange genetic material is called:
Budding
Conjugation
Phagocytosis
Binary fission
What is a mycorrhiza?
A parasitic fungus on animals
A mutualistic relationship between a fungus and plant roots
A type of fungal spore
A method of fungal reproduction
Which type of fungi is used in the production of antibiotics like penicillin?
Basidiomycota
Ascomycota
Zygomycota
Chytridiomycota
The term "dikaryotic" refers to a fungal cell that has:
A single nucleus
Two nuclei that are genetically distinct
No nucleus
Multiple nuclei that are genetically identical
Ferns and other seedless vascular plants reproduce using:
Seeds
Spores
Pollen
Flowers
The dominant generation in mosses is the:
Sporophyte
Gametophyte
Zygote
Seedling
Which of the following is a characteristic of vascular plants?
They have xylem and phloem to transport water and nutrients.
They reproduce only through spores.
They are always small and grow close to the ground.
They lack a protective cuticle on their leaves.
What is the primary function of seeds in seed plants?
Absorb water for the plant
Provide protection and nutrients to the developing embryo
Transport pollen
Support photosynthesis
Pollen grains in seed plants are equivalent to:
Female gametophytes
Male gametophytes
Zygotes
Sporophytes
In angiosperms, double fertilization results in the formation of:
An embryo and endosperm
Two embryos
A zygote and a seed coat
Two endosperms
What is the role of the blastopore in early embryonic development?
It forms the mouth in deuterostomes.
It forms the anus in protostomes.
It develops into the digestive tract opening.
It allows for cell differentiation.
