Which of the following is incorrect for the given diagram?
Dioecious
External fertilisation
Indirect development
Saccoglossus
Which of the following worm infection is unlikely to result in the inflammation of the intestinal tract?
Match the following genera with their respective phylum :
(a) Ophiura (i) Mollusca
(b) Physalia (ii) Platyhelminthes
(c) Pinctada (iii) Echinodermata
(d) Planaria (iv) Coelenterata
Select the correct option :
(a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
(a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
Which of the following animals are true coelomates with bilateral symmetry ?
Adult Echinoderms
Aschelminthes
Platyhelminthes
Annelids
The character that gives the Phylum Chordata is shown by:
A
B
C
D
The structure shown in the given diagram is characteristically seen in the Phylum:
Porifera
Ctenophora
Cnidaria
Molluska
In Planaria, waste material of food digestion and Nitrogenous waste material removed from
Mouth and mouth
Body wall and body wall
Mouth and Flame-cell
Mouth and Body wall
Which one of the following is not the function of cnidoblasts (sting cell)?
Anchorage
Defense
Caputure of prey
Reproduction
Open circulatory system is present in ?
Nereis
Ascidia
Octopus
Branchiostoma
Identify the following diagrams and these represents
(a) Diploblastic, (b) Triploblastic
(a) Triploblastic, (b) Triploblastic
(a) Triploblastic, (b) Diploblastic
(a) Diploblastic, (b) Diploblastic
Bioluminescence is well marked in member of which phylum?
Echinodermata
Correct flow water current in sponges is:-
Ostia →Osculum→Spongocoel→Outside
Osculum→Spongocoel→Ostia→Outside
Ostia→Spongocoel→Osculum→Outside
Osculum→Ostia→Spongocoel→Outside
Tube within a tube plan is found in
Coelenterata
Which of the following statements are true for the phylum-Chordata?a. In Urochordata, notochord extends from head to tail and is present throughout their lifeb. In Vertebrata, notochord is present during the embryonic period onlyc. Central nervous system is dorsal and hollowd. Chordata is divided into 3 sub-phyla : Hemichordata, Tunicata and Cephalochordata
Bilaterally symmetrical and acoelomate animals are exemplified by :
Annelida
Match the following diseases with the causative organism and select the correct option.
Match the following columns and select the correct option.
Column - I Column - II
a. 6 - 15 pairs of gill slits (i) Trygono
b. Heterocercal caudal fin (ii) Cyclostomes
c. Air Bladder (iii) Chondrichthyes
d. Poison sting (iv) Osteichthyes
(a) (b) (c) (d)
(iii) (iv) (i) (ii)
(iv) (ii) (iii) (i)
(i) (iv) (iii) (ii)
(ii) (iii) (iv) (i)
In males pelvic fins bear claspers in
Carcharodon
Pterophyllum
Exocoetus
Labeo
False statement w.r.t. Ascidia is
Present exclusively in marine water
It is a urochordate and notochord is present only in larval tail
It is a vertebrate because it has a notochord
It is a protochordate
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