1. Gestational period consists of the following except

1. Germinal period
2. Embryonic period
3. Fertilization period
4. Foetal period

2. Umbilical cord contains

1. 3 arteries & 1 vein
2. 1 artery & 3 veins
3. 1 artery & 1 vein
4. 2 arteries & 1 vein

3. Hoff Bauer’s cells are present in

1. Pituitary gland
2. Parathyroid
3. Placenta
4. Pineal gland

4. Hyaline cartilage developed from

1. Mesoderm
2. Ectoderm
3. Ectomesoderm
4. Endoderm

5. Branchial fistula is persistent of

1. 1st branchial cleft
2. 1st branchial arch
3. 2nd brachial arch
4. 2nd branchial cleft

6. Period of embryo is

1. 4-16 weeks
2. Fertilization to 2 weeks
3. 2-8 weeks
4. 8 weeks to birth

7. Palatine process began to fuse at

1. 10 weeks post fertilization
2. 8 weeks post fertilization
3. 6 weeks post fertilization
4. 12 weeks post fertilization

8. Number of somatic chromosome

1. 42
2. 41
3. 46
4. 44

9. Muscles of tongue are derived from

1. 1st pharyngeal swelling
2. Lateral lingual swelling
3. Occipital myotomes
4. Preoptic myotome muscles

10. All are developed from muscles of 1st arch except

1. Tensor tympani & tensor veli palatine
2. Posterior belly of digastric
3. Masticatory muscles
4. Mylohyoid