41.
Which of the following is marine leech
A
Heamedipsa
B
Bonellia
C
Hirudinaria
D
None of the above
Answer :
Bonellia
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42.
Hemichordata are not regarded as true chordates because
A
They do not have pharyngeal gill stlits
B
Their notochord is not a true notochord
C
They do nto have dorsal hollow nerve cord
D
B and C both
Answer :
B and C both
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43.
Which blood vessel carry larva of Ascaris in lungs
A
Pulmonary vein
B
Hepatic vein
C
Carotid artery
D
Pulmonary artery
Answer :
Pulmonary artery
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44.
Axolotal larva of Ambystoma normally fails to metamorphose, the reason is
A
Absence of phosphours in water
B
Lacl of indoine in water or diet
C
Lack of Ca and Mg ions in water
D
Low concentration of Na and K in water
Answer :
Lacl of indoine in water or diet
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45.
Which one of the following is a matching pair of a body feature and the animal possesing it
A
Ventral heart - Scorpion
B
Post - anal tail - Octopus
C
Ventral central nervous sy system - Leech
D
Pharyngeal gill lits absent in embyo - Chamaeleon
Answer :
Ventral central nervous sy system - Leech
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46.
In Ancient day one of the following used as currency
A
Pila
B
Octopus
C
Cypraea
D
All of the above
Answer :
Cypraea
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47.
"Birds are lorified reptiles" statement given by
A
Hyman
B
Huxley
C
Henle
D
Salim Ali
Answer :
Huxley
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48.
Which of the following characters is not related to Aves
A
Homiothermy and presence of oil glands in skin
B
Female genital organs of both sides functinal
C
Female genital organs of one sides functional
D
Exoskeleton of feathers
Answer :
Female genital organs of both sides functinal
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49.
Which of the following crustacean animal is a classical example of extreme degeneration due to parasitic mode of life
A
Sacculina
B
Lepas
C
Balanus
D
Apis
Answer :
Sacculina
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50.
Radial symmetry is usually associated with
A
aquatic mode of life
B
lower grade of organisation
C
creeping mode of locomotion
D
sedentary mode of life
Answer :
sedentary mode of life
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