81.
Find out correct staement
A
All birds can fly
B
All snakes are poisonous
C
All amphibians lay eggs in water
D
All mammals are viviparous
Answer :
All amphibians lay eggs in water
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82.
Skeleton of the class demospongia may be composed of
A
Calcareous specules
B
Silicious spicules
C
Spongin fibers
D
Both sponging fibers and silicious spicules
Answer :
Both sponging fibers and silicious spicules
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83.
Tapeworm gets nutrition in the alimantery canal of vertebrates
A
By absorbing liquid food through generally body surface
B
By suckers
C
A and B both
D
None of the above
Answer :
By absorbing liquid food through generally body surface
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84.
Nerve supply to muscles of Ascaris are
A
Sensory nerve
B
Motor nerve
C
Sympathetic nerve
D
Parasympathetic nerve
Answer :
Motor nerve
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85.
Body growth in adult Ascaris occurs due to
A
Mitosis
B
Free nuclear division
C
Mitosis and Amitosis
D
Cell enlargement and free nuclear division
Answer :
Cell enlargement and free nuclear division
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86.
Point out the non-parasite
A
Tapeworm
B
Mosquito
C
Leech
D
Sea anemone
Answer :
Sea anemone
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87.
Ascaris is what kind of parasite
A
Cytozoic
B
Coelozoic
C
Histozoic
D
Facultative
Answer :
Coelozoic
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88.
Parental care normally occurs in
A
Reptiles and mammals
B
Birds and mammals
C
Only mammals
D
All vertebrates
Answer :
Birds and mammals
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89.
Classification of sponges is primary based on the
A
Body organistaion
B
Body plan
C
Skeleton
D
Cnala system
Answer :
Skeleton
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90.
Which of the following character is not found in all the chordates
A
Diaphragm
B
Coelom
C
Pharyngeal gill clifts
D
Dorsal nerve cord
Answer :
Diaphragm
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