five
six
seven
eight
D. eight
They all have calcareous spicules.
They have high regenerative power.
They are found only in marine water.
They are all radially symmetrical.
Column -I | Column- II |
---|---|
A. Physalia | I. Sea anemone |
B. Meandrina | II. Brain coral |
C. Gorgonia | III. Sea fan |
D. Adamsia | IV. Portuguese man-of-war |
A III; B II; C I; D IV
A IV; B III; C II; D I
A IV; B II; C III; D I
A II; B III; C I; D IV
Switch from gill respiration to air-breathing lungs.
Improvements in water resistance of skin.
Alteration in mode of locomotion.
Development of feathers for insulation.
It is an aquatic form.
Circulatory system is of open type.
It possesses parapodia for swimming.
Neural system consists of paired ganglia connected by lateral nerves to a double ventral nerve cord.
Reptilia
Aves
Mammalia
Amphibia
Column-I | Column-II |
---|---|
(Characteristic feature/term) | (Phylum) |
A. Choanocytes | I. Platyhelminthes |
B. Cnidoblasts | II. Ctenophora |
C. Flame cells | III. Porifera |
D. Nephridia | IV. Coelenterata |
E. Comb plates | V. Annelida |
A II; B I; C IV; D V; E III
A II; B IV; C I; D V; E III
A V; B I; C III; D II; E IV
A III; B IV; C I; D V; E II
A - Pleurobrachia, B - Cnidoblast, C - Aurelia, D - Adamsia
A - Aurelia, B - Adamsia, C - Cnidoblast, D - Pleurobrachia
A - Cnidoblast, B - Pleurobrachia, C - Adamsia, D - Aurelia
A - Adamsia, B - Aurelia, C - Pleurobrachia, D - Cnidoblast
arthropoda
mollusca
echinodermata
chordata
Column- I | Column -II |
---|---|
(Organism) | (Excretory structures) |
A. Cockroach | I. Nephridia |
B. Cat fish | II. Malpighian tubules |
C. Earthworm | III. Kidneys |
D. Balanoglossus | IV. Flame cells |
E. Flatworm | V. Proboscis gland |
A I; B III; C II; D IV; E V
A III; B I; C II; D V; E IV
A II; B I; C III; D V; E IV
A II; B III; C I; D V; E IV
A radially symmetrical; B bilaterally symmetrical
A bilaterally symmetrical; B radially symmetrical
A bilaterally symmetrical; B asymmetrical
A metamerically segmented; B asymmetrical
A - Male Ascaris, B - Hirudinaria (leech), C- Nereis
A - Female Ascaris, B - Nereis, C-Hirudinaria (leech)
A - Female Ascaris B- Hirudinaria (leech), C - Nereis
A - Male Ascaris, B - Nereis, C- Hirudinaria (leech)
turtle
Chameleon
Naja (Cobra)
crocodile
Ctenophora; Emission of light.
Porifera; Feeding, respiration and excretion.
Cnidarian; Anchorage, Defense and food capturing
Mollusca; Locomotion, transport of food and respiration.
Arthropoda
Annelida
Mollusca
Echinodermata
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Platypus, Penguin, Bat, Hippopotamus.
Shrew, Bat, Cat, Kiwi.
Kangaroo, Hedgehog, Dolphin, Loris.
Lion, Bat, Whale, Ostrich.
A-Notochord; B-Post-anal part; C-Gill slits; D-Nerve cord
A-Nerve cord; B-Notochord; C-Post-anal part; D-Gill slits
A-Notochord; B-Nerve cord; C-Gill slits; D-Post-anal part
A-Gill slits; B-Post-anal part; C-Nerve cord; D-Notochord
Storage of carbohydrates as starch.
Multicellularity.
Obtaining nutrients by ingestion.
Having eukaryotic cells without walls.
Sycon
Euspongia
Spongilla
Pleurobrachia
Torpedo
Petromyzon
Trygon
Exocoetus
Earthworm, pinworm, tapeworm
Prawn, scorpion, Locusta
Sponge, Sea anemone, starfish
Malarial parasite, Amoeba, mosquito
(i) only
(iii) only
(i) and (iii)
(iii) and (iv)
two
three
four
none of these
Diploblastic in nature.
Having radial symmetrical body.
Dioecious with direct development.
Presence of sensory tentacles on anterior head region.
They are acoelomates.
They are bilaterally symmetrical.
They lack a digestive system.
They have a circulatory system.
Naja (Cobra)
Bangarus (Krait)
Viper (Viper)
All of these
In chondrichthyes notochord is persistent throughout life.
All mammals are viviparous and possess diaphragm for breathing.
All sponges are marine.
All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal).
Sycon - Porifera
Aurelia - Coelenterata
Pleurobrachia - Ctenophora
Tapeworm - Platyhelminthes
gills
lungs
skin
all of these
They have a water vascular system.
They have an internal skeleton.
They are protostomes.
They have bilateral symmetry at larval stage.