Questions No:1
Mollusc group without radula is
[A] Gastropoda
[B] Monoplacophora
[C] Bivalvia
[D] Cephalopoda
Questions No:2
Mollusc group with closed blood vascular system is
[A] 1 ) Gastropoda
[B] Scaphopoda
[C] Cephalopoda
[D] Pelecypoda
Questions No:3
Respiratory pigment in molluscs is
[A] 1 ) haemery thrin
[B] haemoglobin
[C] haemocyanin
[D] chlorocruorin
Questions No:4
Osphradium in molluscs functions as
[A] 1 ) thermoreceptor
[B] rheoreceptor
[C] chemoreceptor
[D] thigmoreceptor
Questions No:5
Molluscans test the quality of water with the
[A] 1 ) statocyst
[B] tentacles help of
[C] osphradium
[D] ctenidia
Questions No:6
Shell is present in
[A] 1 ) Nereis
[B] Octopus
[C] Pila
[D] Ascaris
Questions No:7
Spirally coiled shell is seen in
[A] Pila
[B] Octopus
[C] Dentalium
[D] Unio
Questions No:8
Echinodermata is characterised by
[A] 1 ) fresh water habitat
[B] segmentation
[C] deuterostomous condition
[D] schizocoelom
Questions No:9
Most distinctive feature of Echinodermata is
[A] radial symmetry
[B] deuterostomous condition
[C] water vascular system
[D] enterocoelom
Questions No:10
Nonchordates having mesodermal endoskeleton are
[A] 1 ) molluscs
[B] arthropods
[C] annelids
[D] echinoderms
Questions No:11
In echinoderms water enters into water vascular system through
[A] mouth
[B] anus
[C] ostia
[D] madreporite
Questions No:12
Oral surface is upward in
[A] Ophiuroidea
[B] Asteroidea
[C] Crinoidea
[D] Echinoidea
Questions No:13
Hemichordates are
[A] chordates
[B] vertebrates
[C] non-chordates
[D] craniates
Questions No:14
Buccal diverticulum of hemichordates is called
[A] gizzard
[B] stomochord
[C] notochord
[D] vertebral column
Questions No:15
Hemichordate body includes
[A] trunk
[B] collar
[C] proboscis
[D] all of these
Questions No:16
Excretion in hemichordates occurs by
[A] neural gland
[B] proboscis gland
[C] renette gland
[D] pyloric gland
Questions No:17
Larva of Hemichordata is
[A] planula
[B] nauplius
[C] glochidium
[D] tornaria
Questions No:18
This part of hemichordate was earlier considered as notochord
[A] intestinal diverticulum
[B] spermathecal diverticulum
[C] buccal diverticulum
[D] cloacal diverticulum
Questions No:19
Balanoglossus is commonly called as
[A] earthworm
[B] tapeworm
[C] lugworm
[D] acorn worm
Questions No:20
Study the following four matchings, of animals and their excretory organs.
Column -1— Column – II
A) Tapeworm Solenocytes
B) Earthworm Metanephridia
C) Crab Green glands
D) Squid Malpighian tubules
Which of the above are correct?
[A] only A and B
[B] only A and C
[C] only B and C
[D] only A and D