A - Octopus; B -Asterias, C- Ophiura
A - Asterias; B - Ophiura, C- Octopus
A - Echinus; B - Octopus C - Ophiura
A - Ophiura; B - Echinus, C- Octopus
A. A - Octopus; B -Asterias, C- Ophiura
They all have calcareous spicules.
They have high regenerative power.
They are found only in marine water.
They are all radially symmetrical.
Segmentation
Antennae
Bilateral symmetry
Exoskeleton
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
(i) and (ii) only
(ii) and (iv) only
(i), (ii) and (iv) only
All the five statements.
Column -I | Column -II |
---|---|
(Types of animals) | (Examples) |
A. Limbless reptiles | I. Elephant |
B. Jawless vertebrates | II. Lamprey |
C. Flightless bird | III. Ichthyophis |
D. Largest | IV. Ostrich terrestrial animal |
E. Limbless amphibia | V. Cobra |
A II; B V; C IV; D I; E III
A V; B II; C IV; D I; E III
A V; B II; C I; D IV; E III
A V; B IV; C II; D I; E III
Switch from gill respiration to air-breathing lungs.
Improvements in water resistance of skin.
Alteration in mode of locomotion.
Development of feathers for insulation.
Naja (Cobra)
Bangarus (Krait)
Viper (Viper)
All of these
They have a water vascular system.
They have an internal skeleton.
They are protostomes.
They have bilateral symmetry at larval stage.
PlatyhelminthesPlanaria, Schistosoma, Enterobius
Mollusca Loligo, Sepia, Octopus
Porifera Spongilla, Euplectella, Pennatula
Cnidaria Bonellia, Physalia, Aurelia
visceral hump
parapodia
radula
spicules
Germinal layers.
Pathway of water transport.
Pattern of organization of cells.
Serial repetition of the segments.
radially symmetrical
bilaterally symmetrical
asymmetrical
metamerically segmented
A, Between B & C
B, Between A & C
C, Between C & D
D, Between A & B
Diploblastic in nature.
Having radial symmetrical body.
Dioecious with direct development.
Presence of sensory tentacles on anterior head region.
Sphenodon
Balanoglossus
Tadpole larva
Crocodile
Only (i)
Only (iv)
(i), (ii) and (iii)
All of these
calcium hydroxide
calcium sulphate
calcium carbonate
sodium bicarbonate
Cucumaria – Echinodermata
Ascidia – Urochordata
Balanoglossus – Hemichordata
Hirudinaria – Annelida
Sycon
Euspongia
Spongilla
Pleurobrachia
Column-I | Column-II |
---|---|
(Term/Feature) | (Examples) |
A. Gregarious pest | i. Hirudinaria |
B. Vector | ii. Planaria |
C. Oviparous with | iii. Sepia indirect development |
D. Metameres | iv. Aedes |
E. High regeneration | v. Locust capacity |
A - i, B - ii, C - iii, D - iv, E - v
A - iii, B - v, C - ii, D - iv, E - i
A - iii, B - i, C - v, D - ii, E - iv
A - v, B - iv, C - iii, D - i, E - ii
A radially symmetrical; B bilaterally symmetrical
A bilaterally symmetrical; B radially symmetrical
A bilaterally symmetrical; B asymmetrical
A metamerically segmented; B asymmetrical
Column-I | Column-II |
---|---|
(Features) | (Examples) |
A. Pseudocoelomates | a. Hydra, Adamsia |
B. Diploblastic | b. Ctenoplana, Aurelia |
C. Cellular level of | c. Ascaris, Wuchereria organization |
D. Radial symmetry | d. Sycon, Spongilla |
E. Metamerism | e. Pheretima, Neries |
A - e, B - b, C - d, D - c, E - a
A - c, B - a, C - d, D - b, E - e
A - b, B - a, C - c, D - e, E - d
A - c, B - b, C - d, D - a, E - e
porifera
coelenterata
ctenophora
platyhelminthes
notochord is absent.
pharyngeal gill-slits are lacking.
dorsal nerve cord is absent.
heart is lacking.
Reptilia : possess 3 - chambered heart with one incompletely divided ventricle.
Chordata : Possess a mouth provided with an upper and lower jaw.
Chondrichthyes : Possess cartilaginous endoskeleton.
Mammalia : Give birth to young one.
Column -I | Column -II |
---|---|
(Organisms) | (Comman name) |
A. Pennatula | I. Sea-lily |
B. Antedon | II. Sea- pen |
C. Echinus | III. Sea-urchin |
D. Cucumaria | IV. Sea - cucumber |
A II; C III; D I; E IV
A II; C IV; D I; E III
A II; C I; D III; E IV
A II; C I; D III; E IV
Hemichordata
Chordata
Echinodermata
Annelida
Hydra
Aurelia
Physalia
Obelia
(ii), (iv) and (v)
(i), (iii) and (v)
(iii), (iv) and (v)
(i), (ii) and (iii)
Sycon - Porifera
Aurelia - Coelenterata
Pleurobrachia - Ctenophora
Tapeworm - Platyhelminthes