521 The function of coelom is__________? Biology Medium Full question → A To increase the size of the animals B To help in the functioning of reproductive system C To provide space for the development of organs and systems D None of these
522 In most triploblasts after embryonic development the three layers are represented as___________? Biology Medium Full question → A Separate layers of cells B Structures formed from them C Structures associated with them D Their functions in body
523 Of the following which one is not found in series proterostomia? Biology Medium Full question → A Annelida B Arthropoda C Mollusea D Echinodermata
524 Coelom that develops from the archenteron as outpouching is__________? Biology Medium Full question → A Pseudocoelom B Enterocoelom C Schizocoelom D None of these
525 Of the following which one is not included in Proterostomes? Biology Medium Full question → A Arthropods B Hemichordates C Annelids D Molluses
526 Inner layers of the sponges are made up of__________? Biology Medium Full question → A Pinacocytes B Choanoderm C Choanoytes D Pinacoderm
527 Sperms are _________ in origin. Biology Medium Full question → A Ectodermal B Mesodermal C Endodermal D None of these
528 Gut in pseudocoelomates is made from___________? Biology Medium Full question → A Ectoderm B Mesoderm C Endoderm D All of these
529 The skeleton of the sponges is in the form of variously shaped needle like structures called___________? Biology Medium Full question → A Stripules B Spicules C Brails D Spines
530 The internal buds are known as__________? Biology Medium Full question → A Spicules B Choanocytes C Gemmules D None of these
531 Venus flower basket is also known as___________? Biology Medium Full question → A Sycon B Euplectella C Leucoselenia D Spongilla
532 In acoelomates gut is ________ in origin. Biology Medium Full question → A Ectodermal B Endodermal C Mesodermal D None of these
533 The system well developed in the acoelomate is___________? Biology Medium Full question → A Excretory system B Nervous system C Transport system D All of these
534 The fate of each blastomere is foretold. The cleavage will be as____________? Biology Medium Full question → A Spiral and indeterminate B Radial and indeterminate C Radial and indeterminate D Spiral and determinate
535 All the animals of the grade radiata are____________? Biology Medium Full question → A Diploblastic B Triploblastic C Both D Unicellular
536 The name animal is derived from the word__________? Biology Medium Full question → A Anima B Anemia C Aname D All of these
537 Aschelminthes is also known as____________? Biology Medium Full question → A Protozoans B Eumatazoa C Nematodes D Protoctist ancestors
538 Shell of egg is leathery in appearance in___________? Biology Medium Full question → A Amphibians B Reptiles C Birds D Prototherians
539 Circulatory system is open type in all of the following except:___________? Biology Medium Full question → A Arthropoda B Gastropoda C Pelecypoda D Cephalopoda
540 Aquatic arthropods respire through__________? Biology Medium Full question → A Spiracles B Gills C Book lungs D Both b and c