27381. 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
Author: Sheeraz Ahmed – Page 1370
27382. 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
27383. 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
27384. 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
27385. The fate of each blastomere is foretold. The cleavage will be as____________?
✅ D. Spiral and determinate
Option A: Spiral and indeterminate Option B: Radial and indeterminate Option C: Radial and indeterminate Option D: Spiral and determinate Correct Answer : Spiral and determinate Read more
27386. The system well developed in the acoelomate is___________?
✅ D. All of these
Option A: Excretory system Option B: Nervous system Option C: Transport system Option D: All of these Correct Answer : All of these Read more
27387. In acoelomates gut is ________ in origin.
✅ B. Endodermal
Option A: Ectodermal Option B: Endodermal Option C: Mesodermal Option D: None of these Correct Answer : Endodermal Read more
27388. Venus flower basket is also known as___________?
✅ B. Euplectella
Option A: Sycon Option B: Euplectella Option C: Leucoselenia Option D: Spongilla Correct Answer : Euplectella Read more
27389. Aschelminthes is also known as____________?
✅ C. Nematodes
Option A: Protozoans Option B: Eumatazoa Option C: Nematodes Option D: Protoctist ancestors Correct Answer : Nematodes Read more
27390. The name animal is derived from the word__________?
✅ A. Anima
Option A: Anima Option B: Anemia Option C: Aname Option D: All of these Correct Answer : Anima Read more