Animal Kingdom: Model Questions
1. An
animal shows the following characters:
·
Body is dorso-ventrally flattened
·
Parenchyma cells are found between the
body wall and alimentary canal
·
Flame cells are present
·
Body is unsegmented and bilaterally
symmetrical.
a.
Name the phylum of this animal.
b.
Give an example.
2. Give
reasons for the following statements
a. Saliva
of Leech contains an enzyme hirudin.
b. Sponges
were earlier considered as lifeless organisms
c. All
vertebrates are chordates but all chordates are not vertebrates
d. Shark
has to swim continuously, otherwise it will sink down.
e. Annelids
show metamerism.
f. Tapeworm
has numerous segments, but it is not included under annelid.
g. Arthropods
are the most successful invertebrates.
h. Birds
have pneumatic bone
i. Birds
have single ovary and a single oviduct unlike other vertebrates.
j. Body
of Endoparasites is covered with cuticle.
3. Find
out the corresponding phylum with an example from the following general
characters
a. They
are multicellular with a tissue grade of organisation, all are aquatic,
radially symmetrical, diploblastic and mouth is encircled by finger like
tentacles.
b. They
are bilaterally symmetrical, vermiform animals, triploblastic, exhibit metamerism
c. They
are exclusively marine, triploblastic, spines on the skin and radially
symmetrical in the adult and bilaterally symmetrical in the larval stage.
4. Match
the following related things from B and C with column A
|
A
|
B
|
C
|
|
Common name
|
Scientific name
|
Phylum
|
|
Jelly fish
|
Sepia
|
Annelida
|
|
Cuttlefish
|
Hirudinaria
|
Echinodermata
|
|
Sea urchin
|
Aurelia
|
Mollusca
|
|
Leech
|
Echinus
|
Cnidaria
|
5. Phylum
Arthropoda is the largest phylum in animal kingdom. It includes more than ¾ of
the total species in the biosphere. They are the most successful animals in the
world.
a.
Mention any 2 reasons that make the
arthropods more successful group of animals.
b. Name
two economically important arthropods.
c.
List the various types of respiratory
structures present in arthropods.
d. Name
a pest in arthropoda.
6. Apply
the scientific terms for the following statements.
a.
Egg lying animals
b. Cold
blooded animals
c.
Blood filled cavity in arthropods
d. Winter
sleep of an animal
7. Characteristics
of three animals are given
|
|
I
|
II
|
III
|
|
Habitat
|
Terrestrial/aquatic
|
Marine
|
Terrestrial
|
|
Epidermis covered with
|
Slime/mucous
|
Hair
|
Scales
|
|
Skeleton
|
Internal
|
Internal
|
Internal
|
|
Fertilization
|
External (In water)
|
Internal
|
Internal
|
|
Embryo develops in
|
Egg
|
Mother
|
Egg
|
a.
To which group of animals does each of
these belong?
b. Which
of these animals is most likely to have gills at certain stage of its life
cycle?
c.
Name one animal for each group that
may fulfill these characteristics.
8. Note
the relation between first two words and suggest a suitable word for the fourth
place
a.
Annelida : Nephridia Planaria :
…………………….
b. Platyhelminthes
: Acoelomates Pseudocoelomate :
…………………….
c.
Fish :
Gills Insects :
…………………….
d. Porifera : Spongocoel Cnidaria : …………………….
e.
Jaw present : Gnathostomata Jaw absent :
…………………….
f.
Man :
Bilaterally symmetrical Starfish :……………………..
g.
Osteichthyes: Homocercal Chondrichthyes :……………………..
9. Odd
man out and give reason
a.
Flying fish, Sea horse, Hag fish,
Angel fish
b. Ascaris,
Wuchereria, Ancylostoma, Limulus
c.
Earthworm, hookworm, roundworm,
filarial worm
d. Porifera,
Coelenterata, chordata, annelida
e.
Jellyfish, silverfish, starfish,
cuttlefish
f.
Wings, air bladder, oviparous, absence
of urinary bladder
10. Read
the following general characters of living organisms and find out the
corresponding phylum and give one example for each group.
a.
Bilaterally symmetrical, triploblastic
organisms with jointed appendages and the body is covered by Chitinous cuticle
b. All
are marine with organ system level of organization. Adults are radially
symmetrical, but larvae are bilaterally symmetrical, shows water vascular
system
c.
Triploblastic, bilaterally
symmetrical, Coelomate. Body is cylindrical with proboscis, collar and trunk.
11. Birds
are adapted for aerial life
a.
Write four adaptations found in birds
b. Name
two flightless birds
12. Which
is not correct feature about Phylum chordata?
Presence of notochord
Presence of dorsal heart
Absence of double ventral nerve cord,
Presence of endoskeleton and exoskeleton.
13. Observe
the diagram and answer the following
a.
Name the phylum in which the above
phenomenon is seen
b. Identify
the two forms
c.
Mention any two differences between
them
d. Of these, which is
more advanced? Give reason.
More possible pictures to identify for examination: Cnidoblasts, polyp,
medusa, Coelom, tails of bony and cartilaginous fishes, basic plan of chordate,
Lower animals
14. Complete
the given flow chart showing the flow of water through canal system in sponges
15. Match
the following
|
A
|
B
|
C
|
|
Mollusca
|
Honeybee
|
Spiny skinned animals
|
|
Arthropoda
|
Pila
|
Annulus or little rings
|
|
Annelida
|
Asterias
|
Joint footed animals
|
|
Echinodermata
|
Leech
|
Soft bodied animals
|
16. Pick
out the appropriate one from the terms given within bracket and put them
against the corresponding phyla.
|
a.
Porifera
|
b.
Coelenterata
|
c.
Mollusca
|
|
d.
Platyhelminthes
|
e.
Annelida
|
f.
Echinodermata
|
(Flame cells, hirudin, Choanocytes, Diploblastic, ossicles,
radula)
17. During
class room discussion a student said that sponges are more complex than
cnidarians. Do you agree with him? Justify.
18. What
are the difficulties that you would face in classification of animals, if
common fundamental features are not taken into account? (NCERT)
19. If
you are given a specimen, what are the steps that you would follow to classify
it? (NCERT)
20. The
following animals have different habit and habitat. But they have some common
characters.
Locust, Prawn, Butterfly, Spider.
a.
Mention the common characters
b. Identify
their phylum.
21. Which
is true about arthropods?
a.
Haemocoel absent
b. Segmented
body
c.
Radially symmetrical
d. Closed
circulation
22. Copy and complete the table
|
Phyla
|
Grade of organisation
|
Symmetry
|
Germ layers
|
Coelom
|
|
Porifera
|
Cellular
|
………………..
|
………………..
|
………………..
|
|
Ctenophora
|
………………..
|
Radial
|
………………..
|
………………..
|
|
Mollusca
|
………………..
|
………………..
|
………………..
|
Coelomate
|
|
Echinodermata
|
………………..
|
………………..
|
Triploblastic
|
………………..
|
23. Mention
the single word
a.
Blood filled Coelom
b. Body
wall with 2 layers
c.
Series of changes by which a larva
becomes an adult.
d. Occurrence
of 2 or more forms
e.
Periodical removal of exoskeleton.
24. Study
the following facts by connecting with the features of tetrapoda and answer the
following
|
·
Aq. larval
life & terr. adult life
|
·
Mammary
glands
|
·
Poikilotherms
|
|
·
Bear limbs
|
·
Presence of
feathers
|
·
Oviparous
|
|
·
Heterodont
dentition
|
·
Caudal fin
|
·
Skin with
hair
|
|
·
Heart is
4-chambered
|
·
Bony
endoskeleton
|
·
Heterocercal
caudal fin
|
|
·
Pneumatic
bone
|
·
Operculum
|
·
Notochord
present
|
a.
Select the
common features of all tetrapods
b.
Select the
unique features of different tetrapods
c. Mention the features
which are not suitable for tetrapods
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