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