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1
______________ of the following organisms have moist skin with no scales.
Lizards
Crocodiles
Salamander
None of the above
2
Reptiles respire through ____________ .
Lungs
Gills
tracheal system
3
Sea horse(Hippocampus) and lung fish(Protopterus) are the members of _______________ class .
Mammals
Osteichthyes
Chondrichthyes
Aves
4
Herdmania, Doliolum and Pyrosoma are the examples of _____________ subphylum.
Urochordata
Cephalochordata
Vertebrata
5
Which of the following organisms belongs to Phylum echinoderm ?
Starfish
Earthworm
Sponges
Butterfly
6
Urochordata differ from the Cephalochordata in the fact that ___________ .
In Urochordates the notochord is occurs only in the head region
In Urochordates the notochord extend upto the head
In Urochordates the notochord occur only in the tail region
7
The organism with worm like unsegmented body is the member of _________________ phylum.
Hemichordata
Chordata
Mollusca
Arthropoda
8
Two chambered heart is found in_______________ class of vertebrata.
Cyclostomata
Amphibia
Mammalia
9
Urochordates are ____________.
Sessile
free living
move in colony
10
Tube feet is the locomotory organ of
Jelly fish
Crop fish
Silver fish
11
Members of which of the following division are vertebrates ?
Echinodermata
Reptilia
12
Which of the following are correct :
(a) Amphioxus (Branchiostoma) is the only living representative of this subphylum.
(b) Amphioxus (Branchiostoma) are transparent, fishlike creatures without a brain and eyes.
Only (a) is correct.
Only (b) is correct.
Both (a) and (b) are correct.
None of these.
13
Which of the following organism have cartilaginous skeleton and have round suctorial mouth with a rasping tongue ?
Lamprey
Amphioxus
Doliolum
Hippocampus
14
The trasparent fish like creatures without a brain and eye is ______________
Herdmania
Balanoglossus
Loligo
15
Whales are the member of _____________ class.
Chondricthyes