Listed below are eleven characteristics (i-xi) in Column I and the five classes (a-e) of Chordata in Column II. Match at least two characteristics with each class. Column I (Characteristics) Column II (Classes) (i) Three chambered heart (a) Pisces (ii) Feathers (b) Amphibia (iii)Two-chambered heart (c) Reptilia (iv) Eardrum in a pit (d) Aves (v) Scales (e) Mammals (vi) External ears (vii) Gills (viii) Moist skin (ix) Horny scales on the skin (x) Homeothermal (xi) Testes in the scrotum

Pisces- (iii), (vii), (v) The class Pisces includes fishes. These are completely adapted to aquatic life. These have a two-chambered heart, breath by means of gills. Their body is covered with scales. These have fins but no limbs. Amphibia- (i), (viii) Amphibians live partly on land and partly in the water. These have a smooth, non-scaly moist, slimy skin and three-chambered heart. They breathe by means of gills. But their adults breathe by means of lungs. Reptilia- (ix), (iv) Reptiles are completely adapted to life on land. Their eggs have a leathery shell. These have rough, horny scales on the skin. The eardrum lies at the bottom of a tubular depression. Aves- (ii), (x) All birds belong to this class. These have an exoskeleton of feathers. Their fore-limbs are modified into wings. These are warm-blooded or homeothermic. Mammals- (xi), (vi) Mammals are the most highly developed animals for life on land. These give birth to young ones. These have a mammary gland which produces milk for young ones. These have external ears (pinnae) and external testes contained in a scrotum (testicles).

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Concise Biology Part - 1>Chapter 11 - Five Kingdom Classification>PROGRESS CHECK>Q 2

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Tick-mark the features that characterise vertebrates.

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Important Questions on Five Kingdom Classification

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Concise Biology Part - 1>Chapter 11 - Five Kingdom Classification>PROGRESS CHECK>Q 1

Mention the name of the phylum against the following characteristic:

No single mouth but numerous pores as water inlets _____.

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Concise Biology Part - 1>Chapter 11 - Five Kingdom Classification>PROGRESS CHECK>Q 2

Name the phylum of the invertebrate, Tapeworm. (Nemathelminthes/Platyhelminthes)

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Concise Biology Part - 1>Chapter 11 - Five Kingdom Classification>PROGRESS CHECK>Q 2

Name the phylum of the following invertebrate.

Sea cucumber -

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Concise Biology Part - 1>Chapter 11 - Five Kingdom Classification>PROGRESS CHECK>Q 2

Name the phylum of the following invertebrate.

Sponge -

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Concise Biology Part - 1>Chapter 11 - Five Kingdom Classification>PROGRESS CHECK>Q 1

Listed below are eleven characteristics (i-xi) in Column I and the five classes (a-e) of Chordata in Column II. Match at least two characteristics with each class.

Column I (Characteristics)	Column II (Classes)
(i) Three chambered heart	(a) Pisces
(ii) Feathers	(b) Amphibia
(iii)Two-chambered heart	(c) Reptilia
(iv) Eardrum in a pit	(d) Aves
(v) Scales	(e) Mammals
(vi) External ears
(vii) Gills
(viii) Moist skin
(ix) Horny scales on the skin
(x) Homeothermal
(xi) Testes in the scrotum