CSS :: Classification Of Animals

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

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

73.  To which group do snakes belong to:
A. Annelids B. Reptilia
C. Amphibia D. None of these

74.  An operculum covering gills is characteristic of:
A. Bony-fishes B. Cartilagenous fishes
C. Both (a) & (b) D. None of these

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

76.  In which of the following Indian states, the lion are found:
A. M.P. B. U.P.
C. Gujrat D. West Bengal

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

78.  Animals living at the bottom of the sea are known as:
A. Leutic B. Lotic
C. Benthic D. Pelagic

79.  Animals living at the surface of the sea are called:
A. Leutic B. Lotic
C. Benthic D. Pelagic

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

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