2821. 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
Author: Sheeraz Ahmed – Page 142
2822. 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
2823. 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
2824. 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
2825. 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
2826. 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
2827. 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
2828. 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
2829. 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
2830. 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