3701. Primary teeth differ from permanent teeth in following aspects ?
comments icon0

A. Pulp chambers are longer

B. All of the above

C. Thickness of enamel and dentin

D. Roots are flaring

3702. Calcification of third molar begins at__________________?
comments icon0
A. 8 years

B. 16 years

C. 18 months

D. 8 months

3703. Ketone bodies are normally synthesized from______________?
comments icon0

A. Glucose

B. Glycerol

C. Acetone

D. Acetyl-CoA
3704. The fluid mosaic model of membrane structure was proposed by_______________?
comments icon0

A. G.V Black

B. Watson and Crick

C. Singer and Nicolson

D. Edwarg Angle

3705. Cholesterol levels in abnormal person should be preferably less than_____________?
comments icon0
A. 200 mg/dl

B. 180 mg/dl

C. 120 mg/dl

D. 150 mg/dl

3706. Glycemic index of a starchy food is a measure of its________________?
comments icon0
A. None of the above

B. Utility

C. Collectivity

D. Energy

3707. What is the amount of time required by erupting premolar to move through 1 mm of bone as measured on a bite wing radigraph ?
comments icon0
A. 4-5 months

B. 6-7 months

C. 5-6 months

D. 3-4 months

3708. Proteins are absorbed from GIT as_____________?
comments icon0

A. All of the above

B. Peptides

C. Amino acids

D. Peptones

3709. The process of exfolitation of primary teeth is between_____________?
comments icon0

A. Seventh and tenth years

B. Seventh and eight years

C. Seventh and Twelfth years

D. Seventh and ninth years

3710. Inside the cell, the substance, which contributes to most of the osmolality, is________________?
comments icon0

A. Phosphate

B. Protein

C. Potassium

D. Urea

3711. If bile acid recycling time is short, then bile salt reservoir pool will be______________?
comments icon0
A. Decreased

B. Uchanged

C. Increased

D. Has no effect

3712. The normal range of serum osmolality (in mosm/L) is_____________?
comments icon0

A. 200 to 250

B. 350 to 375

C. 300 to 320

D. 280 to 295
3713. Golgi bodies function are______________?
comments icon0

A. None of the above

B. Sorting of glycoproteins

C. Protein synthesis

D. Protein lipid synthesis

3714. First evidence of initiation of primary dentition is usually around_____________?
comments icon0
A. 4 months in utere

B. 4 months after birth

C. One year after birth

D. Birth

3715. Ligant for peroxisome proliferation activating receptor (PPAR) receptors, a group of nuclear hormone receptors that are involved in the regulation of genes related to glucose and lipid metabolism is_____________?
comments icon0

A. Voglibose

B. Repaglinide

C. Rosiglitgazone

D. Exanatide

3716. While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?
comments icon0

A. 11-14 years

B. 15- 18 years

C. 7-10 years

D. 3-6 years

3717. Free radicals are chemical species which have______________?
comments icon0

A. Single paired electron in an outer orbit

B. Double paired electron in an outer orbit

C. Double unpaired electron in an outer orbit

D. Single unpaired electron in an outer orbit
3718. Ketone body formation takes place in_______________?
comments icon0

A. Kidney

B. Blood

C. Spleen

D. Liver
3719. Generation of free radicals occurs by all of the following mechanism EXCEPT_____________?
comments icon0
A. Reperfusion after ischemic injury

B. Oxygen toxicity

C. Normal metabolism

D. All of the above

3720. Kalu, a 6- years old child, received tetracycline. Noticeable discoloration will be seen in______________?
comments icon0

A. Premolars, incisors and 1st molars

B. Canines, premolars and2nd molars

C. Canine and 2nd molars

D. Incisors and 1st molars

3721. The initiation codon for protein synthesis is_____________?
comments icon0

A. UAA

B. UAG

C. AUG

D. UUU

3722. The correct dentition in a 9- years old child is_____________?
comments icon0
A. 12 CDE6

B. 123DE6

C. 12C456

D. 123456

3723. Normal level of serum phosphorous is_____________?
comments icon0

A. 7-9 mgm%

B. 1-2 mgm%

C. 2.5 4.5 mgm%

D. 40-50 mgm%

3724. Free radicals can be inactivated by the following enzymes EXCEPT__________________?
comments icon0

A. Superoxide dismutase

B. Catalase

C. Glutathione peroxidase

D. Myeloperoxidase
3725. The first permanent tooth to erupt in the oral cavity is the_____________?
comments icon0

A. Mandibular central incisor

B. Maxillary first molar

C. Mandibular first molar

D. Maxillary central incisor

3726. Enzymes increase reaction rates by______________?
comments icon0
A. Decreasing the energy of activation

B. Altering the free energy of the action

C. Inhibiting the backward reaction

D. Enhancing the forward reaction

3727. Normal serum alkaline phosphatase level is_____________?
comments icon0

A. 0.1-0.4 Bodansky units

B. 1-4 Bodansky units

C. 1000-4000 Bodansky units

D. 100-400 Bodansky units

3728. The ketone bodies, which are excreted in diabetic ketoacidosis ?
comments icon0

A. Acetoacetic acid and oxalocacetic acid

B. Acetoacetic acid and pyruvic acid

C. Acetoacetic acid and beta hydroxyl butyric acid

D. Acetoacetic acid and alpha ketoglutaric acid

3729. How many cusps does the crown of the maxillary first primary molar have ?
comments icon0

A. 3

B. 5

C. 4

D. 2

3730. The tooth bud for the third molar is initiated at about the age of______________?
comments icon0

A. 6th month I.U

B. 8th year of life

C. 2nd year of life

D. 1st year of life

3731. Nonsense codons bring about__________________?
comments icon0

A. Pre-translational modification of protein

B. Termination of protein synthesis

C. Elongation of polypeptide chain

D. Initiation of protein synthesis

3732. Non polar lipid act as______________?
comments icon0
A. Electrical insulators

B. Electrolytes

C. Non electrical insulators

D. Irons

3733. Calcitonin is antagonist_______________?
comments icon0

A. Triidothyronine

B. Thyroxine

C. Parathyroid hormone

D. Serotonin

3734. True about G protein couple receptors is _________________ ?
comments icon0

A. G protein is bound to GTP in resting state

B. All the three subunits alpha, beta and gamma should bind each other for G protein to act

C. G proteins bind to hormones on the cell surface

D. G Proteins act as inhibitory and excitatory because of difference in alpha subunit
3735. In Hartnups disease _______ is excreted in the urine?
comments icon0

A. Glutamine

B. Ornithine

C. Phenylalanine

D. Tryptophan
3736. The main pathway for De Novo synthesis of fatty acids occurs in_______________?
comments icon0

A. Mitochondria

B. None of the above

C. Nucleus

D. Cytosol
3737. Which of the following is used in recombinant DNA technology ?
comments icon0

A. PCR

B. None of these

C. Reverse transcriptase FISH

D. Restriction endonucleases
3738. In the body, metabolism of 10 g of protein would produce approximately____________?
comments icon0

A. 410 Kcal

B. 41 Kcal

C. 1 Kcal

D. 4100 Kcal

3739. Primary dentition period is______________?
comments icon0
A. From 6 months to 6 years

B. From 6 months to 11 years

C. From birth to 11 years

D. From 6 years to 11 years

3740. All are derived of cholesterol except________________?
comments icon0

A. Testosterone

B. Chenodeoxy cholic acid

C. Cholecystokinin

D. Glycocholic acid

3741. As compared to permanent tooth , root formation in primary tooth______________?
comments icon0
A. Take less time

B. Is complete when tooth erupts in oral cavity

C. Same time

D. Take more time

3742. The first macroscopic indication of morphologic development of primary incisors approximately at____________?
comments icon0

A. 14 weeks in utero

B. 11 weeks in utero

C. 6 weeks in utero

D. 16 weeks in utero

3743. Lipid from tissue is carried to liver by_____________?
comments icon0

A. LDL

B. Chylomicrons

C. HDL

D. VLDL

3744. Transport form of iron is______________?
comments icon0

A. Apoferritin

B. Lactoferrin

C. Ferritin

D. Transferrin
3745. During the development of a tooth, sound coalescence of the lobes results in_____________?
comments icon0

A. All of the above

B. Cusps

C. Fissures

D. Grooves
3746. Heme is converted to bilirubin mainly in_____________?
comments icon0

A. Bone marrow

B. Kidney

C. Spleen

D. Liver

3747. The sigma subunit of prokaryotic RNA polymerase_______________?
comments icon0

A. Is inhibited by a-amanitin

B. Is part of the core enzyme

C. Specifically recognizes the promoter site

D. Binds the antibiotic Rifampicin

3748. The decidous canine emerges______________?
comments icon0
A. After first molar

B. Before lateral incisor

C. After second molar

D. Before first molar

3749. The most important buffer in RBC is____________?
comments icon0

A. O2 Hb +Na hemoglobinate

B. H2CO3 + KHCO3

C. O2Hb +K hemoglobinate

D. H2CO3 +NAHCO3
3750. The precursor of cholesterol synthesis is________________?
comments icon0

A. Pyruvate

B. Oxalo acetic acid

C. Acetyl CoA

D. Acetic acid