Which of the following is not a correct match of the organism and it's characteristic feature?
(A) Asterias - radially symmetrical, coelomate with organ-system level of organization
(B) Planaria – triploblastic, acoelomate with high regeneration capacity
(C) Aplysia - bilaterally symmetrical, coelomate with metameric segmentation
(D) Locusta - triploblastic, gregarious pest with chitinous exoskeleton

The member of this phylum are terrestrial or aquatic having an organ system level organisation bilaterally symmetrical, triploblastic , segmented and eucoelomate animals ?

Which of the following statement is incorrect about the phylum Hemichordata ? (A) They are bilaterally symmetrical, triploblastic and coelomate animals. (B) Circulatory system is open type. (C) Excretory organ is proboscis gland (D) Fertilization is internal and development is indirect

Consider following features: (a) Organ system level of organisation (b) Bilateral symmetry (c) True coelomates with segmentabon of body Select the correct option of animal groups which possess all the above characteristics.

Read the following statements. (a) Metagenesis is observed in Helminthes (b) Echinoderms are triploblastic and coelomate animals (c) Roundworms have organ system level of body organization (d) Comb plates present in ctenophore help in digestion (e) Water vascular system is characteristic of Echinoderms. Choose the correct answer from options given below.

Read the following statements (a to e) carefuly :- (a) Triploplastic (b) Bilateral symmetric (c) Organ system organisation (d) Pseudocoelomate (e) Metameric segmentation Which of the above statement(s) is/are correct for phylum Aschelminthyes

Refer to the given passage and answer the following questions. P, Q and R are acoelomate organisms whereas S and T are true coelomates. P possesses cellular level of body organisation whereas others possess tissue and organ level of body organisation. Q possesses special stinging cells called cnidoblasts. R is the first triploblastic animal and has flame cells as excretory organs. The body of S is metamerically segmented whereas T bears jointed appendages and chitinous exoskeleton. Which of the following is incorrect regarding organisms P, Q, R, S and T?