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WorksheetsKingdom Animalia
Total questions: 40
Worksheet time: 40mins
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
Which of the following is the phylum of sponges?
Cnidaria
Platyhelminthes
Nematoda
Porifera
_______________ provide support or act as skeleton in sponges.
Choanocyte
Amebocyte
Spicule
Spongocoel
The cnidarians life cycle have two stages, the ______ and the _______.
motile polyp, sessile medusa
sessile polyp, motile medusa
Which of the followings are true abut Obelia sp.?
Triploblastic
Dimorphism
Endoskeleton
Malphigian tubule
The cnidarians tentacles have specialized cell called _____________ which inject toxins into their prey with the help of nematocyst.
mesoglea
cnidocyst
cnidocyte
nematocyst
The characteristics of an unknown marine organism are radial symmetry, diploblastic and has stinging cells in epidermis. These animals are in phylum ___________
Porifera
Cnidaria
Mollusca
Platyhelminthes
The cnidarians gastrovascular cavity
has only one opening which act as mouth and anus
has two opening, mouth and anus
is absent, nutrients simply diffused
Which characteristics distinguish a flatworm from a round worm?
The flatworms are triploblastic pseudocoelomate but round worms are triploblastic acoelomate
The body is flattened dorsoventrally whereas round worm has a cylindrical body
The flatworms are diploblastic but round worm are triploblastic
Which of the following is the phylum of tapeworm?
Porifera
Cnidaria
Platyhelminthes
Nematoda
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 two germ layers
Diploblastic means
has two germ layers, ectoderm and endoderm
digestive tract has two openings, mouth and anus
has two types of reproduction, asexual and sexual
has two symmetry
Has true tissues, bilateral symmetry, triploblastic and pseudocoelomate. This animal is classified under which phylum?
Nematoda
Annelida
Mollusca
Arthropoda
Phylum Nematoda is represented by...
Ascaris sp.
Pheretima sp.
Achatina sp.
Planaria sp.
Unsegmented round worms is classified under phylum...
Nematoda
Platyhelminthes
Annelida
Mollusca
Garden snail is a mollusk with characteristic below EXCEPT
shell
feed using radula
soft and moist body
triploblastic acoelomate
Phylum Annelida has the following characteristics. Choose all correct characteristics.
metameric segmentation
has tagmata
triploblastic eucoelomate
has paired jointed appendage
has cephalization
Which of these is paired CORRECTLY?
Pheretima sp. - Phylum Annelida
Achatina sp. - Phylum Nematoda
Ascaris sp. - Phylum Mollusca
Taenia sp. - Phylum Platyhelminthes
The body cavity of organism under phylum Nematoda is
no coelom
coelom
pseudocoelom
true coelom
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
Roundworms of the phylum Nematoda are…
Diploblastic and acoelomates
Triploblastic and acoelomates
Triploblastic and pseudocoelomates
Triploblastic and coelomates
Which of the following statements is TRUE for annelids and nematodes?
All nematodes are parasites, while annelids are free living
Annelids have both longitudinal and circular muscles, while nematodes have only longitudinal muscles
Annelids are unisexual, while nematodes are hermaphrodites
Nematodes are coelomates, while annelids are acoelomates
The distinction between sponges and other animal phyla is based mainly on the absence or the presence of
a body cavity
a complete digestive tract
a circulatory system
true tissues
Which of the following features could be used to distinguish between an earthworm and a tapeworm?
Radial symmetry and body shape
Segmentation and number of germ layers in body wall
Segmentation and body cavities
Body shape and radial symmetry
Choose ALL the unique characteristics for a chordate from the followings.
dorsal hollow nerve cord, notochord, brain, myotomes, radial symmetry
notochord, nefridia, pharyngeal cleft, post anal tail, myotomes
notochord, tube feet, endoskeleton, pharyngeal cleft, post anal tail
pharyngeal cleft, post anal tail, myotomes, dorsal hollow nerve cord, notochord
This animal is a mollusc. Choose all the characteristics of a mollusc.
mantle
visceral mass
bilateral symmetry
muscular foot
Which of the following characteristics most likely explains why insects are so successful to be dispersed to distant environment?
hemocoel
jointed appendages
chewing mandibles
internal fertilization
Which of the following is NOT TRUE about organisms in the phylum Arthropoda?
Triploblastic coelomate
Have paired jointed appendages
Have close circulatory system
Have compound eye or simple eye
Phylum ________________ includes the largest number of species.
Annelida
Echinodermata
Arthropoda
Chordata
Which of the following is TRUE about Echinodermata?
They have endoskeleton
They have water system for feeding
They have muscular foot
They have incomplete digestive system
Which of the following statements are true about myotomes?
Work antagonistically
Develop into brain and spinal chord
Used for gaseous exchange
Posterior to the anus
During copulation, two earthworms are held together by mucus secreted by the
clitellum
metanephridia
gizzard
anus
In most echinoderms, the larvae exhibit
radial symmetry
asymmetry.
bilateral symmetry.
a flexible notochord.
The _____________________ is located on the snail's foot and is responsible for grinding up food.
radula
crop
mouth
cilia
A characteristics feature of annelids is
nematocyts, which are stinging structures on their tentacles.
collar cells, which pump water through their bodies.
metameric segmentation, which is the repetition of organs and tissues at intervals along the body
radula, which is a ribbon of small teeth in feeding
The excretory system of annelids consists of
flame cells
metanephridia
prostomium
peristomium
The following are the characteristics of an organism.
I. Have tube feet.
II. Has a water vascular system.
III. Adult has radial symmetry.
Based on the characteristics above, the organism is classified under which phylum?
Mollusca
Cnidaria
Echinodermata
Porifera
