Identical twins develop from:

# Identical twins are produced by fertilization of:
A. 1 ovum by 1 sperm
B. 2 ova by 1 sperm
C. 1 ovum by 2 sperms
D. 2 ova by 2 sperms

The correct answer is: A. 1 ovum by 1 sperm

Twins can be either monozygotic ('identical'), meaning that they develop from one zygote, which splits and forms two embryos, or dizygotic ('non-identical' or 'fraternal'), meaning that each twin develops from a separate egg and each egg is fertilized by its own sperm cell.

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Dental MCQs - Multiple Choice Questions in Dentistry

SELECT THE TOPIC YOU WANT TO PRACTICE. # LOK SEWA AAYOG PAST QUESTIONS Medical Entrance Preparation MCQs # Digestive System and Nutrition MCQs # Reproductive System MCQs # MCQs on Sense Organs # Nervous System MCQs # Cardiovascular System MCQs # Endocrine System MCQs # Assorted Dental MCQs - Part 1 #AIIMS MDS ENTRANCE EXAM YEARWISE COLLECTION *** AIIMS Nov 2001 *** AIIMS Nov 2002 *** AIIMS Nov 2003 *** AIIMS Nov 2004 *** AIIMS Nov 2005 *** AIIMS Nov 2006 *** AIIMS Nov 2007 Part 1 *** AIIMS Nov 2007 Part 2 *** AIIMS Nov 2008 *** AIIMS Nov 2009 *** AIIMS Nov 2010 *** AIIMS Nov 2012 *** AIIMS Nov 2013 *** AIIMS Nov 2014 *** AIIMS Nov 2015 *** AIIMS May 2016 *** AIIMS May 2015 *** AIIMS May 2014 *** AIIMS May 2013 *** AIIMS May 2012 *** AIIMS May 2011 # DENTAL MATERIALS *** Amalgams *** Physical Properties *** Metallurgy *** Impression Materials *** Dental Ceramics and Miscellaneous *** Gypsum Products *** Dental Cements *** Restorative Resin...

Download All Books In Dentistry Free - Free Dental Books - Download All Dental Books for Free

NOTE: If you cannot find any books here in the list below, You can search yourself in the Library Genesis Website Database. DISCLAIMER: We do not store any of these books in our database and these links provided may subject to change. We are simply redirecting you to the website that serves free download of these books. We'll not be held responsible for any damages incurred by the publishers and writers. Please contact us (Email to: dentosphere.worldofdentistry@gmail.com) immediately if some links are not working. Please Click the Link of the book you would like to download , and click GET for downloading the file. First Year # Gray's anatomy for students - Fourth Edition # Textbook of Microbiology and Immunology - second edition # Essentials of Medical Pharmacology - KD Tripathi - 8th Edition # Essentials of Medical Biochemistry, Second Edition: With Clinical Cases # Guyton and Hall Textbook of Medical Physiology -14th edition 2020 # Textbook of patholog...

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# Class IV Kennedy classification is: A. Bilateral edentulous area located posterior to the remaining natural teeth B. Unilateral edentulous area located posterior to the remaining natural teeth C. Unilateral edentulous area with natural teeth remaining both anterior and posterior to it D. A single but bilateral (crossing the midline) edentulous area located anterior to the remaining natural teeth # A distal extension partial denture receives its support : A. From terminal abutments B. Equally from abutments and the residual ridges C. Mostly from residual ridge D. Exclusively from residual ridge

MCQs in Fixed Partial Dentures - Principles of Tooth Preparation

# The average root surface area of maxillary first molar is (in mm2): A. 133 B. 233 C. 333 D. 433 # The average root surface area (mm2) of the maxillary second premolar is: A. 234 B. 220 C. 273 D. 204

MCQs on Complete Dentures : Impression Procedures

Click HERE to view all our MCQ Topics. # In making a final impression for a complete denture, the most important area of the impression is : A. Ridge area of maxilla and buccal shelf of mandible B. Lingual border area of mandible C. Junction of hard and soft palate of maxilla and distolingual area of mandible D. Mid palatal area of maxilla and ridge of the mandible # The stabillity of a mandibular complete denture will be enhanced when: A. the level of occlusal plane is above the dorsum of the tongue B. the tongue rests on the occlusal surface C. the lingual contour of the denture is concave D. the posterior teeth on the denture have a broad buccolingual width

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