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Neet biology > Kingdom Animalia 3 > Flashcards

Kingdom Animalia 3 Flashcards

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1
Q

Phylum with an endoskeleton of calcareous ossicles

A

Echinodermata

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2
Q

Organisation in Echinodermata

A

organ level

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3
Q

Symmetry in Echinodermata

A

Adult :- Radial
Larvae :-Bilateral

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4
Q

Echinodermata are

A

→triploblastic
→coelomate

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5
Q

Mouth in Echinodermata is on which side

A

Ventral(lower)

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6
Q

Anus in Echinodermata is present on which side

A

Dorsal(upper)

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7
Q

The most distinctive feature of Echinoderms is the presence of

A

Water vascular system

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8
Q

Water vascular system in echinodermata helps in

A

→locomotion
→capture
→transport of food
→respiration

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9
Q

Excretory system in echinodermata is

A

absent

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10
Q

Sexes in Echinodermata are

A

Separate

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11
Q

Reproduction in Echinodermata is

A

Sexual

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12
Q

Fertilisation in Echinodermata is usually

A

External

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13
Q

Development in Echinodermata with free-swimming level is

A

Indirect

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14
Q

Asterias(star fish) is a

A

Echinodermata

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15
Q

Echinus(sea urchin) is a

A

Echinodermata

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16
Q

Antedon(sea lily) is a

A

Echinodermata

17
Q

Cucumaria(sea cucumber) is a

A

Echinodermata

18
Q

Ophiura(brittle star) is a

A

Echinodermata

19
Q

Which phylum was earlier considered as a sub phylum under phylum chordata

A

Hemichordata

20
Q

Hemichordates have a rudimentary structure in the collar region which is similar to notochord

A

Stomochord

21
Q

Worm like marine animals with organ system level of organisation comes under

A

Phylum Hemichordata

22
Q

Hemichordates are

A

→bilaterally
→triploblastic
→coelomate
→cylindrical bodied

23
Q

Hemichordates body consists of

A

an anterior proboscis
collar.
Trunk

24
Q

Circulatory system in hemichordates is

A

Open type

25
Q

Respiration in hemichordates takes place through

A

Gills

26
Q

Excretory organ in hemichordates is

A

Proboscis gland

27
Q

Sexes in hemichordates is

A

Separate

28
Q

Examples of Hemichordates

A

Balanoglossus
Saccoglossus

29
Q

Animals belonging to phylum Chordata are fundamentally characterised by the presence of a

A

notochord
Dorsal hollow nerve cord
Paired pharyngeal gill slits

30
Q

Chordates characteristic feature is a

A

Post anal tail

31
Q

Chordates

A

→have bilateral symmetry
→have Triploblastic
→are coelomate
→organ system of organisation
→have a closed circulatory system

Neet biology (11 decks)

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