CSS :: Classification Of Animals
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71. |
Blood in chordates and non-chordates is different in which of the following respects: |
A. |
Chordates have haemoglobin but non-chordates do not |
B. |
Respiratory pigment in chordates is present in plasma but inside the definite cells in non-chordates |
C. |
Respiratory pigment in chordates is present inside definite cells but dissolved in plasma in non-chordates |
D. |
Blood of chordates is colourless but coloured in non-chordates |
Answer: Option C
Explanation:
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72. |
Arthropods may have blood which: |
A. |
Resembles human blood |
B. |
Circulates in arteries and veins |
C. |
Has haemoglobin in cells |
D. |
Circulates through an open system |
Answer: Option D
Explanation:
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73. |
To which group do snakes belong to: |
A. |
Annelids |
B. |
Reptilia |
C. |
Amphibia |
D. |
None of these |
Answer: Option B
Explanation:
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74. |
An operculum covering gills is characteristic of: |
A. |
Bony-fishes |
B. |
Cartilagenous fishes |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option A
Explanation:
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75. |
Sepia and Octopus are two common marine animals. Their active swimming is affected by: |
A. |
Adhering with their suckers, to other fast moving animals |
B. |
Characteristic undulation of their lateral fins |
C. |
Lashing movements of their cephalic arms |
D. |
Expelling water in a gut through siphons |
Answer: Option D
Explanation:
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76. |
In which of the following Indian states, the lion are found: |
A. |
M.P. |
B. |
U.P. |
C. |
Gujrat |
D. |
West Bengal |
Answer: Option C
Explanation:
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77. |
Some times different authors give different names to same species. In such a situation: |
A. |
Name under which species was first described is valid |
B. |
Latest name under which species has been described is valid |
C. |
People are at liberty to use any one of the name of species |
D. |
All known names are discarded and new name is given to it |
Answer: Option A
Explanation:
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78. |
Animals living at the bottom of the sea are known as: |
A. |
Leutic |
B. |
Lotic |
C. |
Benthic |
D. |
Pelagic |
Answer: Option C
Explanation:
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79. |
Animals living at the surface of the sea are called: |
A. |
Leutic |
B. |
Lotic |
C. |
Benthic |
D. |
Pelagic |
Answer: Option D
Explanation:
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80. |
A new species is formed when: |
A. |
An individual with a new genotype is formed due to exchange of chromosome segments during crossing over in gametogenesis |
B. |
Genotypic changes accumulates in a population resulting in its reproductive isolation from other populations |
C. |
Variants with new phenotypes are produced due to new combination of genes during reproduced due to new combination of genes during reproduction |
D. |
Homologous chromosomes exchanges segments during crossing over |
Answer: Option B
Explanation:
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