Question. In arthopods excretion takes place though
(a) General body surface
(b) Flame cells
(c) Malphigian tubules
(d) Nephridia
Answer
C
Question. Which one is the second largest animal phylum?
(a) Mollusca
(b) Arthopoda
(c) Chordata
(d) Cnidaria
Answer
A
Question. Molluscs are
(a) Unsegmented
(b) Soft bodied
(c) Shelled
(d) All of the above
Answer
D
Question. In Molluscs the space between the visceral hump and dorsal spongy skin in called
(a) Mantle cavity
(b) Body cavity
(c) Viscera
(d) Shell
Answer
A
Question. Which is a mollusc?
(a) Sea mouse
(b) Sea hare
(c) Sea cow
(d) Sea horse
Answer
B
Question. Which one is a false fish?
(a) Cuttlefish
(b) Octopus
(c) Myxine
(d) All
Answer
D
Question. Which one is a wrong combination?
(a) Mollusca – pila, chaetopleura
(b) Echinodermata – echinus, antedon, cucumaria
(c) Molluscs are dioecious, oviparous with indirect development
(d) None
Answer
D
Question. Water vascular system and tube feet is a characteristic of?
(a) Arthopoda
(b) Echinodermata
(c) Molluscs
(d) Bony fishes
Answer
B
Question. The most distinctive feature of Echinodermata is water vascular system which
(a) Locomotion
(b) Capture and food transport
(c) Respiration
(d) All
Answer
D
Question. The following characters are associated with animals of
A. Excretory system absent
B. Dioecious, exernal fertilisation, indirect development with free swimming larva
C. Water vascular system is present
D. Unsegmented body
E. Complete digestive system with ventral mouth and anus on dorsal or upper side
Options :
(a) Mollusca
(b) Hemichordata
(c) Echinodermata
(d) Annelida
Answer
C
Question. The body of balanoglossus consists of
(a) Proboscis
(b) Trunk
(c) Collar
(d) All
Answer
D
Question. Which one of the following is correct?
(a) Now hemichordates has been placed under non chordates because of absence of notochord
(b) Saccoglossus is a hemichordate
(c) Hemichordate is worm like
(d) All
Answer
D
