27341. In sponges fertilization takes place in____________?
✅ B. Mesenchyme
Option A: Ectoderm Option B: Mesenchyme Option C: Endoderm Option D: Uterus Correct Answer : Mesenchyme Read more
Author: Sheeraz Ahmed – Page 1368
27342. Which of the following are motile zooids in cnidarians?
✅ B. Medusae
Option A: Polyps Option B: Medusae Option C: Both of these Option D: None of these Correct Answer : Medusae Read more
27343. Mammals became dominant in__________?
✅ D. Cenozoic era
Option A: Proterozoic era Option B: Mesozoic era Option C: Paleozoic era Option D: Cenozoic era Correct Answer : Cenozoic era Read more
27344. Which of the following fishes contained lungs?
✅ D. Dipnoi
Option A: Lamprey Option B: Perch Option C: Plaice Option D: Dipnoi Correct Answer : Dipnoi Read more
27345. 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
27346. 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
27347. 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
27348. 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
27349. 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
27350. 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