3781. Notochord is present throughout life in___________?
✅ B. Cephalochordates
Option A: Urochordates Option B: Cephalochordates Option C: Chordates Option D: Vertebrates Correct Answer : Cephalochordates Read more
Author: Sheeraz Ahmed – Page 190
3782. Body is eel like in___________?
✅ A. Cyclostomata
Option A: Cyclostomata Option B: Chondrichthyes Option C: Osteichthyes Option D: None of these Correct Answer : Cyclostomata Read more
3783. Body is globular in_________?
✅ B. Sea Urchin
Option A: Cake urchin Option B: Sea Urchin Option C: Sea cucumber Option D: Brittle star Correct Answer : Sea Urchin Read more
3784. Second largest phylum of invertebrates is____________?
✅ C. Mollusca
Option A: Porifera Option B: Arthropoda Option C: Mollusca Option D: Chordata Correct Answer : Mollusca Read more
3785. 80% of the food of sponges consists of__________?
✅ A. Detrital organic particles
Option A: Detrital organic particles Option B: Zooplankton and small animals Option C: Phytoplanktons Option D: all of these Correct Answer : Detrital organic particles Read more
3786. The internal buds are known as__________?
✅ C. Gemmules
Option A: Spicules Option B: Choanocytes Option C: Gemmules Option D: None of these Correct Answer : Gemmules Read more
3787. 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
3788. 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
3789. 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
3790. 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