Question No : 22
Which of the following pairs of animals comprises jawless fishes?
Question No : 23
Which of the following is a living fossil?
Question No : 24
Which of the following group of animals reproduces only by sexual means?
Question No : 25
Which of the following is a chordate feature and not shared by the non-chordates ?
Question No : 26
Which of the following is not the common fundamental feature for animal classification?
Question No : 27
__________ is responsible for maintaining the current of water in sponge.
Question No : 28
Which of the following statements (i v) are incorrect?
(i) Parapodia are lateral appendages in arthropods used for swimming.
(ii) Radula in molluscs are structures involved in excretion.
(iii) Aschelminthes are dioecious.
(iv) Echinoderm adults show radial symmetry.
(v) Ctenophorans are diploblastic.