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- Mention the structures labeled in the figure with 1,3, 4, 5, 17, 18 13 20 21 22 23 24 10 19 16 17 12 13 15 18 a. Shell, lung, anus, pneumostome, male and female gonads O b. mantle, gills, pneumostome, anus, metanphridium, liver O c. Shell, lung, mouth, vagina, kidney, glands O d. shell, ctenidium, anus, mouth, glands, nephridiaAt which stage of embryonic development does the embryo have a blastopore? Group of answer choices A.Blastula B. Zygote C. Morula D. GastrulaThe process of gastrulation forms the _______. a. blastula b. zygote c. organs d. germ layers
- What type of gastrulation is depicted from the diagram below? (A) Blastopore Blastopore 4A 4D 4c 4b AB 4D 4a 4C ImR Invagination Involution Ingression Delamination Epiboly None of the choices ImL ImR 4D ImL BlastoporeThis structure houses embryo. a. E b. A c. C d. B e. DThe blastopore forms the future anal or cloacal opening in protostomes. O True O False
- Which of the following characteristics is not seen in the phylum Platyhelminthes?a. cephalizationb. the presence of a mesodermc. specialization of the digestive tractd. bilateral symmetryRead following statements A and B and choose the correct option. Statement-A : Taenia is triploblastic, acoelomate having solid mesoderm and alimentary canal is absent. Statement-B : In Planaria, fertilization is external, indirect development through many larval stages and possess low regeneration capacity. a.Only statement A is correct b.Only statement B is correct c.Both statements A and B are correct d.Both statements A and B are incorrecthe stomoueum is Ceated by dTivagmatIOT OF WITICITor the TOnowmg. a. Ectoderm b. Mesoderm c. Endoderm d. Epithelial tissue 2. Which of the following Branchial arches ( Pharynge ches) leads to the developme mandible? a. Arch II b. Arch II C. Arch I d. Arch IV and II 3. With regard to oral mucosa, the 4. Which of the following specialized mucosa of the tongue is NOT a taste bud? layer of cells is where cell division ta a. Fungiform papillae b. Foliate papillae C. Filiform papillae d. Circumvallated Papillae 5. 25 % of total salivary flow comes from which salivary gland? a. Submandibular gland b. Parotid gland c. Sublingual gland d. Von Ebner' s gland 6. True or False: A decrease in salivary flow will most likely lead to an increase in caries. 7. The lymphatics vessels are lined with which of the following? a. Endothelium b. Ectothelium c. Mesothelim d. Epithelia 8. Briefly describe the primary function of the lymphatic system: 9. Epithelial tissue depends on tissue for nourishment.