Match the species in Column-I with their respective feature of body organisation in Column-II Column-I Column-II P Mollusca i Pseudocoelom Q Annelida ii Radula R Nematoda iii Radial symmetry S Echinodermata iv Segmentation Choose the CORRECT combination.

P - ii , Q - iv , R - i , S - iii

P - ii , Q - i , R - iv , S - iii

P - iii , Q - iv , R - i , S - ii

P - iv , Q - iii , R - ii , S - i

Match the following organisms with their respective characteristics: Column – I Column – II ( a ) Pila ( i ) Flame cells ( b ) Bombyx ( i i ) Comb plates ( c ) Pleurobrachia ( i i i ) Radula ( d ) Taenia ( i v ) Malpighian tubules Select the correct option from the following:

a - i i i ; b - i v ; c - i i ; d - i

a - i i i ; b - i i ; c - i ; d - i v

a - i i ; b - i v ; c - i i i ; d - i

a - i i i ; b - i i ; c - i v ; d - i

Radula is found in

MEDIUM

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Mollusca

The triploblastic animals that exhibit asymmetry in adult stage are

EASY

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Mollusca

Correctly matched set of phylum, class and example is _______

MEDIUM

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Mollusca

Match the following:

	Mollusc		Class
A)	Neopilina	$I)$	Tetrabranchiata
B)	Chiton	$II)$	Scaphopoda
C)	Aplysia	$III)$	Monoplacophora
D)	Pulsellum	$IV)$	Polyplacophora
		$V)$	Gastropoda

The correct match is

EASY

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Mollusca

Match the species in Column-I with their respective feature of body organisation in Column-II

	Column-I		Column-II
P	Mollusca	i	Pseudocoelom
Q	Annelida	ii	Radula
R	Nematoda	iii	Radial symmetry
S	Echinodermata	iv	Segmentation

Choose the CORRECT combination.

MEDIUM

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Mollusca

Match the following organisms with their respective characteristics:

	Column – I		Column – II
$(a)$	Pila	$(i)$	Flame cells
$(b)$	Bombyx	$(i i)$	Comb plates
$(c)$	Pleurobrachia	$(i i i)$	Radula
$(d)$	Taenia	$(i v)$	Malpighian tubules

Select the correct option from the following:

HARD

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Mollusca

Choose the animal which exhibits the following characteristics:
(1) Bilateral symmetry and cephalization.
(2) Haemocoel as the principal body cavity.
(3) Eyes similar to that of vertebrates.
(4) Marine habitat.

EASY

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Mollusca

Pigment haemocyanin is found in

MEDIUM

Biology>Diversity in the Living World>Animal Diversity- I (Invertebrate Phyla)>Phylum: Mollusca

Match the following columns:

	Column I		Column II
A	Statocyst	1	Radiating plates
B	Radula	2	Respiratory function
C	Gills	3	Organ of balance
D	Tentacles	4	Sensory organ
		5	Organ of feeding
		6	Organs of locomotion