1481. The Vertebrates in which fetal membranes are absent are :
A. An amniotes *
B. Amniotes
C. Hemichordates
D. None of them
1482. Reptiles, birds and mammals are :
A. An amniotes
B. Amniotes *
C. Cyclostomatous
D. Chrodrichthyes
1483. The structures that keep balance of fish in water and help in swimming :
A. Swim bladder
B. Fins *
C. Steam
D. All of them
1484. Which of the following echinoderms exhibits the property of regeneration?
A. Sea Lily
B. Sea cucumber
C. Starfish
D. All of them *
1485. The members of which phylum are marine and live on the sea bottom:
A. Annelida
B. Arthropod
C. Mollusca
D. Echinodermata *
1486. Which of the following is known as perchlorates because of its close resemblance to chrodates ?
A. Echinodermata
B. Hemichordate *
C. Protochordata
D. None of them
1487. The hemichordates belong to group deuterostomata branch of animal kingdom along with :
A. Nematode
B. Echinodermata
C. Chordate
D. Both B and C *
1488. In hemichordate the respiratory system comprises of :
A. Gills
B. Gills slits *
C. Book lungs
D. Lungs
1489. Blanoglossus belongs to which of the following animal phyla:
A. Echinodermata
B. Hemichordate *
C. Protochordata
D. None of them
1490. One of the following is member of phylum hemichordate:
A. Saccoglossus *
B. Giant squid
C. Cake Urchin
D. Octopus