Phylum Chordata questions:
Which of the following animals is not a vertebrate
(a) Oryctolagus
(b) Eurotyphlis
(c) Sparrow
(d) Amphioxus
Related: Respiratory quiz questions
The echinoderms, hemichordates and chordates had which of the following larva as common ancestral form
(a) Tornaria
(b) Trochophore
(c) Dipleurula
(d) Bipinnaria
In which of the following the notochord is present in embryonic stage
(a) Vertebrates
(b) Some chordates
(c) All chordates
(d) Non-chordates
Larva of Balanoglossus is
(a) Tornaria
(b) Muller’s larva
(c) Kentrogen larva
(d) Tadpola
Related: Endocrine exam questions
Which of the following statements is true?
(a) All chordats are vertebrates
(b) All vertebrates are chordates
(c) Nonchordates have a vertebral column
(d) Invertebrates possess a tubular nerve cord
In which of the following jaws are found
(a) Herdmania
(b) Fish
(c) Petromyzon
(d) Amphioxus
The petromyzon belongs to
(a) Chondrichthyes
(b) Osteichthyes
(c) Cyclostomata
(d) Amphibia
Related: understanding Viruses test bank
Herdmania belongs to which subphyla
(a) Cephalochordata
(b) Hemichordata
(c) Urochordata
(d) Protochordata
The most important distinctive character of chordata is the presence of
(a) Vertebral column
(b) Hairy skin
(c) Notochord
(d) All the above
The animal who possesses notochord throughout life is
(a) Fish
(b) Amphioxus
(c) Bird
(d) Snake
Related: JIPMER Biology objective questions and answers
Animals which show viviparity include
(a) Whales
(b) Bony fishes
(c) Turtles
(d) Running birds
Which of the following are Anamniotes?
(a) Chondrichthyes, Osteichthyes, Amphibia
(b) Reptilia, Aves, Amphibia
(c) Amphibia, Aves, Mammals
(d) Reptilia, Mammals, Aves
Balanoglossus belongs to
(a) Hemichordata
(b) Cephalochordata
(c) Urochordatra
(d) Cyclostomata
Related: Digestive system test questions
Which of the following sets of animals belong to class cyclostomata?
(a) Herdmania and petromyzon
(b) Petromyzone and myxine
(c) Amphioxus and balanoglossus
(d) Herdmania and myxine
Retrogressive metamorphosis is found in
(a) Balanoglossus
(b) Branchiostoma
(c) Herdmania
(d) All of these
Which of the following is the smallest taxonomic group of animals having a cranium, vertebral column, ventral heart, pulmonary respiration and two pairs of limbs?
(a) Gnathostomata
(b) Tetrapoda
(c) Vertebrata
(d) Chordata
Related: Probability problems and solutions
In which of the following notochord is absent
(a) Adult Herdmania and Balanoglossus
(b) Adult Herdmania and adult Branchiostoma
(c) Larva of Herdmania and Branchiostoma
(d) Larva of Herdmania and Balanoglossus
Lampreys are
(a) Jawless fishes
(b) Jawless primitive vertebrates
(c) Jawed fishes
(d) Fishes with a spherical mouth
Which animal is ‘‘Non-chordate-protochordata’’?
(a) Herdamania
(b) Balanoglossus
(c) Branchiostoma
(d) Botryllus
Related: Boolean algebra questions
Cold blooded animals are those having
(a) Cold blood
(b) Variable body temperature according to the temperature of atmosphere
(c) Always constant temperature
(d) Blood, which can flow even below 4°C
Vertebral column is derived from
(a) Notochord
(b) Dorsal nerve cord
(c) Ventral nerve cord
(d) Outgrowth of cranium
Agnatha includes
(a) Hag fishes
(b) Fishes
(c) Jelly fishes
(d) Flying fishes
Related: solved examples of Permutation and Combination
Which of the following show relationship of echinoderms and chordates?
(a) Balanoglossus
(b) Archaeopteryx
(c) Peripatus
(d) None of these
Animals having a built-in thermostat to maintain constant body temperature are known as
(a) Biothermic
(b) Poikilothermic
(c) Oligothermic
(d) Homoiothermic
