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WorksheetsBIODIVERSITY DB024
Total questions: 43
Worksheet time: 22mins
Which statements are true about taxonomic hierarchy?
The broadest taxon is phylum
Order is a taxon within a class and it consists of several families
Different organisms within a class are from the same family
Different organisms within an order may belong to different classes
All answers listed below are true about bacteria except
all are prokaryotes
all are harmful
all are unicellular
they do not have nucleus
What material is found in most bacterial cell walls?
Cellulose
Chitin
Peptidoglycan
Starch
rod-shaped bacteria is called
Bacillus
Coccus
Vibrio
Spiral
Choose the similarity between prokaryotes and eukaryotes
lacking of true nucleus and cytoskeleton
lacking of membrane bounded organelle
the flagella do not show ‘9+2’ microtubule arrangement
having ribosomes and plasma membrane
Which of the following are false of why algae does not considered as plant
they lack true roots, stems and leaves
do not have a cuticle
do not have multicellular gametangia
have eyespot and u-shaped nucleus
The type of nutrition found in most Protozoa is
autotrophic
chemotrophic
photosynthetic
heterotrophic
Which are not the feeding modes of Protozoa?
Photosynthetic
Parasitic
Saprotrophic
Holozoic
Fungi are reproduced by
spore
flower
seed
cone
Which of the following features that acts as an important fungal identification and classification in Basidiomycota?
Mycelium
Hyphae
Sexual spores
Cell wall
Fungi have several ways of asexual reproduction except
produce spores enclosed in sporangia
naked spores known as conidia
budding
produce flagellated sperm
The fungi phylum that produces sexual spores in microscopic sac-like structure is called
Ascomycota
Zygomycota
Basidiomycota
Ascus
All statements listed below are true about Rhizopus sp. except
it's hyphae is coenocytic
asexual reproduction by conidia
it produces zygospore
the phylum of Rhizopus sp. is Zygomycota
Which of the characteristics is true about Penicillium sp.?
Asexual reproduction by conidia
Aseptate hyphae
Produce spores within sporangia
The phylum is Zygomycota
All statements below is true about importance of Kingdom Fungi except
act as pathogen
decomposers
causes red tide
pharmaceuticals
All statements below are true about Kingdom Fungi except
composed of mycelium
carbohydrate storage in the form of starch
no chlorophyll
cell wall made of chitin
The haploid form of the life cycle of a plant, characterized by ‘alternation of generation’ is called
ovule
embryo
sporophyte
gametophyte
Mosses and liverworts are called non-vascular plant because
they lack motile sperm
they lack seed
they lack vascular tissue
they lack true roots, stems and leaves
Which of the following plants does not produce seed?
cycads
pine
ferns
Pinus sp.
Which of the following is a not characteristic of Pteridophytes?
Produce spores
Has true roots, stems and leaves
Fertilization depends on water
Xylem has tracheid and vessels
All statements below is true about Gymnosperm except
heterosporous
seed does not enclosed within ovary
non-vascular plants
less dependent on water for fertilization
All statements below is true about Pinus sp. except
sporophyte generation is dominant
gametophyte generation is dominant
produce cone
has true roots, stems and leaves
Why Gymnosperms is more advance compared to Pteridophyes?
Non-vascular plants
Gametophyte generation is dominant
Produce seed
Produce seed
Which of the following is a not unique characteristic of Angiosperms?
Double fertilization
Formation of pollen tube
Seed is protected within ovary
Produce cone
Which of the following group of animals is parazoan?
corals
sponges
snails
flatworms
Sponges are separated by other animal phyla because they
sessile
lack true tissue
feeding mode by filter feeders
radial symmetry
Radial symmetry means
have no plane of symmetry
animal can be divided along only one plane into two similar halves
animal can be divided along any plane of its axis into roughly equal halves
animal with no body plan
Polymorphism in life cycle is a unique feature of the phylum:
Chordata
Cnidaria
Platyhelminthes
Mollusca
Which of the following is not the common term used in the study of animals?
Alternation of generations
Exoskeleton and endoskeleton
Cephalization and cephalothorax
Diploblastic and triploblastic
Cephalization is first seen in phylum
Porifera
Cnidaria
Platyhelminthes
Nematoda
Which f the following is the phylum of tapeworm?
Porifera
Cnidaria
Platyhelminthes
Nematoda
Which of the following characteristics is not associated with nematodes?
Members consist of free living and parasites
Long, cylindrical body with thick cuticle
Only longitudinal muscles present
They are called earthworm
Which of the following traits is not shared by Nematoda, Platyhelminthes and Annelida?
Bilateral symmetry
Triploblastic
Coelomate
Multicellular
Which of the following species is belongs to phylum Mollusca?
Hirudo sp.
Pheretima sp.
Asterias sp.
Achatina sp.
An unsegmented, triploblastic animal with head, muscular foot and visceral mass are the characteristics of
Platyhelminthes
Nematoda
Mollusca
Annelida
Coelom in phylum Annelida function as follows except
provide a hydrostatic skeleton
allow various types of locomotion
attachment of muscles
serves as custom to protect internal organs
Which characteristic is shared by both Annelida and Arthropoda?
Exoskeleton
Jointed appendage
Segmentation
Tracheal system
What is the main component of arthropods exoskeleton?
Cellulose
Chitin
Glycogen
Calcium carbonate
Which phylum contains species that have distinct head, thorax and abdomen?
Mollusca
Echinodermata
Cnidaria
Arthropoda
What are the problems faced by an arthropods having rigid exoskeleton?
Impermeable to water
Shedding of old skeleton will expose them to danger
As protection for animal body
Provide muscle attachment
All statements below are true about phylum Chordata except
dorsal hollow nerve chord
possess tube feet
post-anal tail
myotomes
Stinging cell in the diagram above can be found in phylum
Cnidaria
Chordata
Mollusca
Echinodermata
Structure above can be found in phlum
Nematoda
Echinodermata
Annelida
Porifera
