51. In which subphylum notochord is replaced by vertebral.
Answer : Vertebrata
52. Members of which phylum are commonly known as sponges?
Answer : Porifera
53. Presence of mammary gland is the unique character of which class?
Answer : Mammalia
54. Which structure helps in locomotion in ctenophores?
Answer : Comb plates
55. In which phylum the mantle cavity is found?
Answer : Mollusca
56. What is the name of cells those line the spongocoel?
Answer : Choanocytes or collar cells
57. What is the name of porethroughwhichwater comes out from a body of sponges?
Answer : Osculum
58. What is the function of water canal system in sponges?
Answer : Food gathering, respiratory exchange and removal of waste
59. Name organism which produces lac.
Answer : Laccifer
60. Which subphyla are classified under protochordates?
Answer : Urochordata and cephalochordate
61. Name the phylum inwhichorgansystem levelof body organisation appeared first time:
Answer : Aschelminthes
62. Which type of symmetry is found in coelenterates?
Answer : Radial symmetry
63. How many pairs of gills are present in bony fishes?
Answer : 4-pairs
64. In which reptiles 4-chambered heart is present?
Answer : Crocodiles
65. What is the name of pores through which water enters into the body of sponges?
Answer : Ostia
66. The common chamber for alimentary canal, urinary, bladder and reproductive tracts is called as:
Answer : Cloaca
67. In which class of vertebrates 3-chambered heart is found?
Answer : Amphibiaandreptilia
68. In which subphylum notochord is present only in larval tail?
Answer : Urochordata
69. What is the name of file like rasping organ found in molluscs?
Answer : Radula
70. Animals of which phylum are reared for the production of pearls?
Answer : Mollusca
71. Name the respiratory organs in birds and mammals:
Answer : Lungs
72. The name balancing organ in arthropods.
Answer : Statocyst
73. The exoskeleton of arthropods is made up of .
Answer : Chitin
74. When development of an organism occurs through larval stage,than this type of development is called as:
Answer : Indirect development
75. Which type of symmetry is found in the members of phylum platyhelminthes?
Answer : Bilateral symmetry
Answer : Vertebrata
52. Members of which phylum are commonly known as sponges?
Answer : Porifera
53. Presence of mammary gland is the unique character of which class?
Answer : Mammalia
54. Which structure helps in locomotion in ctenophores?
Answer : Comb plates
55. In which phylum the mantle cavity is found?
Answer : Mollusca
56. What is the name of cells those line the spongocoel?
Answer : Choanocytes or collar cells
57. What is the name of porethroughwhichwater comes out from a body of sponges?
Answer : Osculum
58. What is the function of water canal system in sponges?
Answer : Food gathering, respiratory exchange and removal of waste
59. Name organism which produces lac.
Answer : Laccifer
60. Which subphyla are classified under protochordates?
Answer : Urochordata and cephalochordate
61. Name the phylum inwhichorgansystem levelof body organisation appeared first time:
Answer : Aschelminthes
62. Which type of symmetry is found in coelenterates?
Answer : Radial symmetry
63. How many pairs of gills are present in bony fishes?
Answer : 4-pairs
64. In which reptiles 4-chambered heart is present?
Answer : Crocodiles
65. What is the name of pores through which water enters into the body of sponges?
Answer : Ostia
66. The common chamber for alimentary canal, urinary, bladder and reproductive tracts is called as:
Answer : Cloaca
67. In which class of vertebrates 3-chambered heart is found?
Answer : Amphibiaandreptilia
68. In which subphylum notochord is present only in larval tail?
Answer : Urochordata
69. What is the name of file like rasping organ found in molluscs?
Answer : Radula
70. Animals of which phylum are reared for the production of pearls?
Answer : Mollusca
71. Name the respiratory organs in birds and mammals:
Answer : Lungs
72. The name balancing organ in arthropods.
Answer : Statocyst
73. The exoskeleton of arthropods is made up of .
Answer : Chitin
74. When development of an organism occurs through larval stage,than this type of development is called as:
Answer : Indirect development
75. Which type of symmetry is found in the members of phylum platyhelminthes?
Answer : Bilateral symmetry