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WorksheetsBiodiversity DB024
Total questions: 20
Worksheet time: 15mins
Prokaryotes called ________ are similar in many ways to eukaryotic organism.
Archaea
Bacteria
Protozoa
Cyanobacteria
Small loops of DNA called _____ exist in addition to the bacterial chromosome.
capsids
plasmids
chromatids
pili
Most fungi produce cell walls composed of
cellulose
chitin
peptidoglycan
penicillin
Fungi can exist as
saprotrophs
autotrophs
parasites
mutualists
Surface appendages used by bacteria to attach to one another and to host organisms are called
spirilia
pili
mesosomes
thylakoids
A _______ is a mass of hyphae.
ascospores
sporocarp
mycelium
zygospores
Fungi are not classified as plants because
they do not have cell walls
they produce asexual spores
they do not produce flowers
they do not have chlorophyll
Why are prokaryotes unlike all other organisms?
Prokaryote cells have organelles
Prokaryote cells lack true nuclei
Prokaryote cells lack nucleic acids
Prokaryote cells have cell walls
The most diverse, successful, and familiar group of plants today are the:
gymnosperms
bryophytes
pteridophytes
angiosperms
Most conifers have separate male and female reproductive parts on the same tree. This condition is referred to as:
monoecious
dioecious
homosporous
heterosporous
Alternation of generations in plants refers to the alternation of
diploid and haploid stages
male and female stages
meiotic and mitotic stages
spore and seed stages
Which of the following statements are true about plants in the phylum Coniferophyta?
Xylem tissue lack xylem vessels
Phloem tissue lacks companion cells
Heterosporous
Shows alternation of generation
Most sponges are
bilaterally symmetrical
radially symmetrical
vertically symmetrical
asymmetrical
The ciliated, free-swimming larva of the Cnidarian is called a _______
blastula
planula
polyp
medusa
Which of the following is not an arthropod characteristic?
Jointed appendages
Nonsegmented body
Moulting
Exoskeleton
Which phylum is comprised of acoelomate, bilaterally symmetrical and triploblastic organisms?
Annelida
Nematoda
Cnidaria
Platyhelminthes
Which of the following group of animals is sessile?
Sponge
Jellyfish
Planarian
Pigeon
Which of the following is NOT a characteristic of organisms in the Kingdom Animalia?
Storage of carbohydrates as starch
Multicellular
Obtaining nutrients by ingestions
Eukaryotic cells without cell walls
Which of the following features could be used to distinguish between an earthworm (Annelida) and a tapeworm (Platyhelminthes)?
Radial symmetry and body shape
Segmentation and number of germ layers in body wall
Segmentation and body cavities
Body shape and body symmetry
Arthropods have
bilateral symmetry
cubic symmetry
radial symmetry
no symmetry
