ANIMAL
KINGDOM
I. Choose the correct answer :
1.
Find the group having only marine members.
(a)
Mollusca
(b)
Coelenterata
(c)
Echinodermata
(d)
Porifera
[Answer: (c) Echinodermata]
2.
Mesoglea is present in
(a)
Porifera
(b)
Coelenterata
(c)
Annelida
(d)
Arthropoda
[Answer: (b) Coelenterata]
3.
Which one of the following pairs is not a poikilothermic animal?
(a)
Fishes and Amphibians
(b)
Amphibians and Aves
(c)
Aves and Mammals.
(d)
Reptiles and Mammals
[Answer: (c) Aves and Mammals]
4.
Identify the animal having four chambered heart.
(a)
Lizard
(b)
Snake
(c)
Crocodile
(d)
Calotes
[Answer: (c) Crocodile]
5.
The animal without skull is
(a)
Acrania
(b)
Acephalia
(c)
Apteria
(d)
Acoelomate
[Answer: (a) Acrania]
6.
Hermaphrodite organisms are
(a)
Hydra, Tape worm, Earthworm, Amphioxus
(b)
Hydra, Tape worm, Earthworm, Ascidian
(c)
Hydra, Tape worm, Earthworm, Balanoglossus
(d)
Hydra, Tape worm, Ascaris, Earthworm
[Answer: (b) Hydra, Tap worm, Earthworm, Ascidian]
7.
Poikilothermic organisms are
(a)
Fish, Frog, Lizard, Man
(b)
Fish, Frog, Lizard, Crow
(c)
Fish, Frog, Lizard, Snake
(d)
Fish, Frog, Lizard, Crow
[Answer: (c) Fish, Frog, Lizard, Snake]
8.
Air sacs and Pneumatic bones are seen in
(a)
fish
(b)
frog
(c)
bird
(d)
bat
[Answer: (c) Bird]
9.
Excretory organ of tape worm is
(a)
flame cells
(b)
nephridia
(c)
body surface
(d)
solenocytes
[Answer: (a) Flame cells]
10.
Water vascular system is found in
(a)
Hydra
(b)
Earthworm
(c)
Star fish
(d)
Ascaris
[Answer: (c) Starfish]
II. Fill in the blanks :
1. The
skeletal framework of Porifera is spicules
.
2. Ctenidia
are respiratory organs in phylum mollusca
.
3. Skates
are cartilaginous fishes.
4. The
larvae of an amphibian is bilaterally
symmetrical.
5. Cyclostomes are jawless vertebrates.
6. Placenta is the unique characteristic
feature of mammal.
7. Spiny
anteater is an example for egg-laying
mammal.
III. State whether true or false. If false, correct the
statement :
1. Canal
system is seen in coelenterates.
Answer: False.
Correct statement: Canal system is seen in porifera.
2. Hermaphrodite
animals have both male and female sex organs.
Answer: True.
3. Trachea
are the respiratory organ of Annelida.
Answer: False.
Correct statement: Trachea are the respiratory
organ of Arthopoda.
4.
Bipinnaria
is the larva of Mollusca.
Answer: False.
Correct statement: Bipinnaria is the larva of star fish.
5. Balanoglossus
is a ciliary feeder.
Answer: True.
6.
Fishes
have two chambered heart.
Answer: True.
7.
Skin
of reptilians are smooth and moist.
Answer: False.
Correct statement: Skin of amphibians are smooth and moist.
8. Wings of
birds are the modified forelimbs.
Answer: True.
9. Female
mammals have mammary glands.
Answer: True.
IV. Match the following :
PHYLUM
- EXAMPLES
(A)
Coelenterata - (i) Snail
(B)
Platyhelminthes - (ii) Starfish
(C)
Echinodermata - (iii) Tapeworm
(D)
Mollusca - (iv) Hydra
Answer: A - iv, B - iii, C - ii, D – i
PHYLUM - EXAMPLES
(A) Coelenterata - Hydra
(B) Platyhelminthes - Tapeworm
(C) Echinodermata - Starfish
(D) Mollusca - Snail
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