Chapter 2
ANIMAL KINGDOM
1.Note the relationship in the first pair and then complete the second pair Osteichthyes : cycloid scales
Chondrichthyes : .................
Ans:- placoid scales
2.Arrange the following terms under two heading based on symmetry
Arthropods,ctenophores,Molluscs,coel enterates
Ans:-Radial symmetry -ctenophores,coelenterates
Bilateral symmetry- Arthropods,Molluscs
3. Categorize the following animals under radial symmetry and bilateral symmetry
Physalia,tapeworms, fasciola,Adamsia
Ans:- Radial symmetry:physalia,Admisa
Bilateral symmetry:Tapeworm,fasciola
4.The characteristics features of an invertebrate is given." The phylum includes the comb jellies ,also called walnut. They are noted for their bioluminescence and comb plates ".identify the phylum.
Ans:- ctenophora
5.Fill the blanks with appropriate word:
Osteichthyes: Cyloid scales chondrichthyes : .................
Ans:-placoid scales
6.Name the phyla in which the following cells /structures /organs are present
a.Radula
b.Cnidoblast
c.Pneumatic bone
d.Proboscis gland
Ans:- a.Mollusca
b.Cnidaria/Coelenterta
c.chordata/Aves
d.Hemichordata
7. The following diagram shows the characteristic features of a phylum
a.Identify the phylum
b.Mention four salient features of this phylum
Ans:- a. Phylum chordata
b.chordata
1. Notochord present
2.Pharyngeal gill slits present
3.Heat is ventral
4.Dorsal tubular nerve cord
5.presence of post anal tail
8.Prawns and insects are included in the phylum arthropoda while they have different habits and habitats
Justify your answer
Ans:- Both insects and prawns have
1. Jointed appendages
2.Haemocoel present
3.segmented body with head thorax and abdomen
9.Birds are well adapted for flying . Give any three of such adaptations
Ans:-precence of wings. Body is covered features. Well developed flight muscles . Well developed keel for the attachment of flight muscles. Four chamberd heart with complete separation of oxygenated and oxygenated blood. Pneumatic bones .Double respiration. Homeotherms (Warm blooded) with a high body temperature. Sense of vision is great .Hind limbs support the entire body
10.a)pick out the acoelomate organism from the following
i.Rounworms
ii.Hookworms
iii.Filarial worms
iv. Tape worms
b) Name the phylum to which it belongs
c)Mention its mode of nutrition
d)What is the ccelomic condition of other organism ?
Ans:-a)Tape worm.
b)Phylum platyhelminthes.
c)parastitic-absorb nutrients directly through body surface
d)Roundworm - pseudocelomate
Hook worm - paeusocelomate
Filaria worm - paeusocelomate
11.During a sea shore visit , a student collected two organism. Observing the morphology, it is clear that the organism are radically symmetrical . One of them shows bioluminesce.
a. To which phylum does this organism - belong?
b.Identify the possible phyla to which the other organism can be included
c.Which distinctive feature of this organism will help you to categorize it in to a particular phylum
Ans:-a.phylum - ctenophora
b.phylum - Echinodermata
c.Biolumunesence
12.From the following general characters identify the corresponding phylum giving an example each.
a. Bilaterally symmetrical,vermiform animals,triploblastic and exhibit metabolism
b.Exclusivly marine readily symmetrical, diploblastic,,tissue level organism, and exhibit biluminescence
Ans. a.Phylum- annelida
b. Phylum - ctenophora
13.Find the relationship between given words and suggest the suitable word for the fourth place
(a) Annelida:Nephridia::Arthropoda: ..............
(b)Osteichthyes:cycloid scales::chondrichthyes : ..............
Ans:-(a) Malpigian tubules /green glands
(b)placoid scales.
14.
Figure A and B are the fishes of two different classes. Identify and differentiate between these classes
Ans:- B- chondrichthyes
A- Osteichthyes
15.The following diagram shows the characteristics of a phylum
a. Identify the phylum
b.Label A in the diagram
c.Mention four salient features of the phylum
Ans:-a.phylum chorodata
b.Notochord
c.chordata
1.Notochord present
2.pharyngeal gill slits present
3.Heart is ventral
4.Dorsal tabular nerve cord
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ANIMAL KINGDOM
1.Note the relationship in the first pair and then complete the second pair Osteichthyes : cycloid scales
Chondrichthyes : .................
Ans:- placoid scales
2.Arrange the following terms under two heading based on symmetry
Arthropods,ctenophores,Molluscs,coel enterates
Ans:-Radial symmetry -ctenophores,coelenterates
Bilateral symmetry- Arthropods,Molluscs
3. Categorize the following animals under radial symmetry and bilateral symmetry
Physalia,tapeworms, fasciola,Adamsia
Ans:- Radial symmetry:physalia,Admisa
Bilateral symmetry:Tapeworm,fasciola
4.The characteristics features of an invertebrate is given." The phylum includes the comb jellies ,also called walnut. They are noted for their bioluminescence and comb plates ".identify the phylum.
Ans:- ctenophora
5.Fill the blanks with appropriate word:
Osteichthyes: Cyloid scales chondrichthyes : .................
Ans:-placoid scales
6.Name the phyla in which the following cells /structures /organs are present
a.Radula
b.Cnidoblast
c.Pneumatic bone
d.Proboscis gland
Ans:- a.Mollusca
b.Cnidaria/Coelenterta
c.chordata/Aves
d.Hemichordata
7. The following diagram shows the characteristic features of a phylum
a.Identify the phylum
b.Mention four salient features of this phylum
Ans:- a. Phylum chordata
b.chordata
1. Notochord present
2.Pharyngeal gill slits present
3.Heat is ventral
4.Dorsal tubular nerve cord
5.presence of post anal tail
8.Prawns and insects are included in the phylum arthropoda while they have different habits and habitats
Justify your answer
Ans:- Both insects and prawns have
1. Jointed appendages
2.Haemocoel present
3.segmented body with head thorax and abdomen
9.Birds are well adapted for flying . Give any three of such adaptations
Ans:-precence of wings. Body is covered features. Well developed flight muscles . Well developed keel for the attachment of flight muscles. Four chamberd heart with complete separation of oxygenated and oxygenated blood. Pneumatic bones .Double respiration. Homeotherms (Warm blooded) with a high body temperature. Sense of vision is great .Hind limbs support the entire body
10.a)pick out the acoelomate organism from the following
i.Rounworms
ii.Hookworms
iii.Filarial worms
iv. Tape worms
b) Name the phylum to which it belongs
c)Mention its mode of nutrition
d)What is the ccelomic condition of other organism ?
Ans:-a)Tape worm.
b)Phylum platyhelminthes.
c)parastitic-absorb nutrients directly through body surface
d)Roundworm - pseudocelomate
Hook worm - paeusocelomate
Filaria worm - paeusocelomate
11.During a sea shore visit , a student collected two organism. Observing the morphology, it is clear that the organism are radically symmetrical . One of them shows bioluminesce.
a. To which phylum does this organism - belong?
b.Identify the possible phyla to which the other organism can be included
c.Which distinctive feature of this organism will help you to categorize it in to a particular phylum
Ans:-a.phylum - ctenophora
b.phylum - Echinodermata
c.Biolumunesence
12.From the following general characters identify the corresponding phylum giving an example each.
a. Bilaterally symmetrical,vermiform animals,triploblastic and exhibit metabolism
b.Exclusivly marine readily symmetrical, diploblastic,,tissue level organism, and exhibit biluminescence
Ans. a.Phylum- annelida
b. Phylum - ctenophora
13.Find the relationship between given words and suggest the suitable word for the fourth place
(a) Annelida:Nephridia::Arthropoda: ..............
(b)Osteichthyes:cycloid scales::chondrichthyes : ..............
Ans:-(a) Malpigian tubules /green glands
(b)placoid scales.
14.
Figure A and B are the fishes of two different classes. Identify and differentiate between these classes
Ans:- B- chondrichthyes
A- Osteichthyes
15.The following diagram shows the characteristics of a phylum
a. Identify the phylum
b.Label A in the diagram
c.Mention four salient features of the phylum
b.Notochord
c.chordata
1.Notochord present
2.pharyngeal gill slits present
3.Heart is ventral
4.Dorsal tabular nerve cord
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