121.
Sharks and dogfishes differ from skates and rays by
A
Their pectoral fins distinctly marked off from cyclindrical bodies
B
Gill slits are ventrally placed
C
Head and trunk are widened considerably
D
Distinct demarcation between body and tail
Answer :
Their pectoral fins distinctly marked off from cyclindrical bodies
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122.
Odd-toed mammals is
A
Equs
B
Panthera
C
Chiroptera
D
Oryctolegus
Answer :
Equs
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123.
Which character is not found in the animals of class ciliata
A
Ciliary locomotion
B
Autotrophic nutrition
C
Dimorphic nuclei
D
Sexual reproduction
Answer :
Autotrophic nutrition
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124.
Cranial nerves in frog are
A
12 pairs
B
9 pairs + 1
C
10 pairs + 1
D
10 pairs
Answer :
10 pairs
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125.
Female of Ascaris lumbricoides is indentified by
A
Posterior end straight
B
One cloacal aperture
C
Two specules at poserior end
D
Genital papilla at anterior and posterior end
Answer :
Posterior end straight
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126.
Which of the following characteristic is shared by all arthropods
A
Complete metamorphosis
B
Wings
C
Jointed appendages
D
Asexual reproduction
Answer :
Jointed appendages
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127.
"Vanadium" is found is blood of
A
Amphioxus
B
Tunicates
C
Myxine
D
Tadpole larva of frog
Answer :
Tunicates
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128.
Which one of the following classes has the maximum economic importance
A
Gastropoda
B
Myriapoda
C
Pelecypoda
D
Cephalopda
Answer :
Pelecypoda
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129.
Which of the following Echinoderm is not marine
A
Sea-lilly
B
Star-fish
C
Holothuria
D
None of the above
Answer :
None of the above
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130.
Binomial nomenclature of organism was introduced by
A
Aristotle
B
Theophratus
C
Darwing
D
Linnaeus
Answer :
Linnaeus
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