# Bone replaces cartilage by which of the following processes?  a. Interstitial growth b. Endochondral development c. Intramembranous bone f...

 # The cerebral hemispheres develop from which of the following vesicles?  a. Forebrain b. Midbrain c. Hindbrain d. Primary brain The correc...

 # The first step of mitosis is which of the following?  a. Telophase b. Metaphase c. Prophase d. Anaphase  The correct answer is: C. Propha...

 # Melanoblastoma are derived from: A. Basal epidermal cells B. Neural crest cells C. Prickle cells of epidermis D. Somato pleuric mesoderm ...

 # Notochord develops in: A. 3rd week B. 3rd month C. 6th month D. 10th month The correct answer is A. 3rd week. The notochord arises from a...

 # Implantation occurs at the stage of: A. Zygote B. Morula C. Blastocyst D. Primary villi The correct answer is C. Blastocyst. The blastocy...

# An 8 year old child has increased horizontal anterior bone loss with premature loss of deciduous teeth. There is defective cementum a...