27361. The skeleton of the sponges is in the form of variously shaped needle like structures called___________?
✅ B. Spicules
Option A: Stripules Option B: Spicules Option C: Brails Option D: Spines Correct Answer : Spicules Read more
Author: Sheeraz Ahmed – Page 1369
27362. Gut in pseudocoelomates is made from___________?
✅ C. Endoderm
Option A: Ectoderm Option B: Mesoderm Option C: Endoderm Option D: All of these Correct Answer : Endoderm Read more
27363. Sperms are _________ in origin.
✅ B. Mesodermal
Option A: Ectodermal Option B: Mesodermal Option C: Endodermal Option D: None of these Correct Answer : Mesodermal Read more
27364. Inner layers of the sponges are made up of__________?
✅ C. Choanoytes
Option A: Pinacocytes Option B: Choanoderm Option C: Choanoytes Option D: Pinacoderm Correct Answer : Choanoytes Read more
27365. Of the following which one is not included in Proterostomes?
✅ B. Hemichordates
Option A: Arthropods Option B: Hemichordates Option C: Annelids Option D: Molluses Correct Answer : Hemichordates Read more
27366. Coelom that develops from the archenteron as outpouching is__________?
✅ B. Enterocoelom
Option A: Pseudocoelom Option B: Enterocoelom Option C: Schizocoelom Option D: None of these Correct Answer : Enterocoelom Read more
27367. Of the following which one is not found in series proterostomia?
✅ D. Echinodermata
Option A: Annelida Option B: Arthropoda Option C: Mollusea Option D: Echinodermata Correct Answer : Echinodermata Read more
27368. In most triploblasts after embryonic development the three layers are represented as___________?
✅ B. Structures formed from them
Option A: Separate layers of cells Option B: Structures formed from them Option C: Structures associated with them Option D: Their functions in body Correct Answer : Structures formed from them Read more
27369. The function of coelom is__________?
✅ C. To provide space for the development of organs and systems
Option A: To increase the size of the animals Option B: To help in the functioning of reproductive system Option C: To provide space for the development of organs and systems Option D: None of these Correct Answer : To provide space for the development of organs and systems Read more
27370. A sponge of Antarctica which is more than a meter tall is____________?
✅ A. Scolymastra joubini
Option A: Scolymastra joubini Option B: Euplectella Option C: Spongilla Option D: Leucoselenia Correct Answer : Scolymastra joubini Read more