3801. 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
Author: Sheeraz Ahmed – Page 191
3802. 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
3803. 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
3804. 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
3805. 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
3806. 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
3807. The sponges in which sperms develop first are included in the category of__________?
✅ D. Protandrous
Option A: Peritandrous Option B: Pertandrous Option C: Protendrous Option D: Protandrous Correct Answer : Protandrous Read more
3808. The skeleton of sponges is made up of___________?
✅ C. Both of these
Option A: Calcium Option B: Silica Option C: Both of these Option D: None of these Correct Answer : Both of these Read more
3809. Sperms released in water are carried to the mesenchyme in sponges by__________?
✅ A. Amoeboid cell
Option A: Amoeboid cell Option B: Stipules Option C: Spicules Option D: Spines Correct Answer : Amoeboid cell Read more
3810. The single main opening of the sponge cavity is____________?
✅ A. Osculum
Option A: Osculum Option B: Ostia Option C: Spongocoel Option D: None of these Correct Answer : Osculum Read more