3601. A balanced diet consists of______________?
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A. 35% proteins, 15% fats, 50% carbohydrates

B. 20% proteins, 35% fats, 45% carbohydrates

C. 20% proteins, 25% fats, 50% carbohydrates

D. 25% proteins, 25% fats, 50% carbohydrates

3602. Unwinding of DNA is done by____________?
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A. Reverse transcriptase

B. Ligase

C. DNAse

D. Topo isomerase
3606. In Cytochrome p450, P stands for____________?
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A. Structural proteins

B. Pigment

C. Polymer

D. Substrate protiens

3608. HMG CoA reductase is inhibited by_____________?
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A. Clofibrate

B. cholestyramine

C. Gemfibrosil

D. Lovastatin
3610. Most importent compansatory mechanism in metabolic acidosis______________?
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A. Increased HCO3 Production

B. Increased urinary phosphates

C. Hyperventilation

D. Increased NH3 excretion by kidneys
3611. A radiograph of 4- years old child reveals no evidence of calcification of mandibular second pre molar. This indicates______________?
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A. It is too early to make final predication

B. The child may never develop premolars

C. The teeth may develop later

D. Primary second molar extracted to allow mesial drifting of permanent first molar

3612. Denaturation of double stranded DNA involves_______________?
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A. It gets broken down to nucleotides

B. It becomes single stranded reversibly

C. It becomes single stranded irreversibly

D. It becomes double stranded irreversibly

3613. Prostaglandin synthesis is partially switched off by______________?
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A. Peroxidase

B. Cyclo-oxygenase inhibition

C. Reductase

D. Lipo oxygenase inhibition

3616. The sugar component of cerebrosides is_____________?
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A. None of the above

B. Galactose

C. Fructose

D. Sucrose

3619. The immediate precursor of norepinephrine is______________?
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A. Tyrosine

B. Dopamine

C. Epinephrine

D. Phenylalanine

3622. A fatty acid that is not synthesized in man is_____________?
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A. Linoleic acid

B. Palmitic acid

C. Oleic acid

D. Stearic acid

3623. Iron is present in all, EXCEPT______________?
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A. Catalase

B. Cytochrome

C. Myoglobin

D. Pyruvate kinase
3624. Examples of monounsaturted fatty acids are______________?
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A. Arachitlonic acid

B. Oleic acid

C. Palmitic acid

D. Linolenic acid

3625. The main function of mitochondria is______________?
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A. Electron transfer

B. Protein synthesis

C. Oxidation

D. Fat synthesis

3628. Which of the following is not a post transcriptional modification of RNA ?
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A. 5? capping

B. Splicing

C. Glycosylation

D. 3? polyadenylation

3629. Which of the following has the maximum faciolingual diameter of the crown__________?
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A. Decidous maxillary 2nd molar

B. Decidous maxillary 1st molar

C. Decidous mandibular 2nd molar

D. Decidous mandibular 1st molar

3630. When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?
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A. Second premolar

B. Primary first molar

C. Permanent first molar

D. Permanent second molar

3632. Which of the following fatty acids are not syntehsised in human body_____________?
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A. Oleic, linoleic and linolenic acid

B. Palmitic Oleic and arachidonic

C. Arachidonic, linolenic and linoleic acid

D. Linoleic, arachidonic and stearic acid

3633. Translation occurs at______________?
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A. Nucleus

B. Mitochondria

C. Centrosome

D. Ribosome
3634. The precursor of steroid is_______________?
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A. None of the above

B. Cholesterol

C. Fatty acids

D. Amino acids

3635. Which of the following is not a part of hemoglobin molecule___________?
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A. Ferric ions

B. Pyrrole rings

C. Vinyl groups

D. Histidine

3636. Cervical bulge. True is____________?
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A. All of the above

B. Results in constriction at cervical region

C. Enamel rods at cervical region directed occlusally

D. Is characteristic of decidous teeth
3637. Iron absorption is decreased in presence of all except____________?
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A. Phosphates

B. Phytates

C. Ascorbic acid

D. Tannins

3638. Cusp of carbaelli can be considered a normal finding on____________?
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A. Decidous maxillary 2nd molar

B. Decidous mandibular 2nd molar

C. Decidous mandibular 1st molar

D. Decidous maxillary 1st molar

3639. Genes are_____________?
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A. Ribonucleic acid

B. Lipoproteins

C. Chromo proteins

D. Deoxy ribonucleic acid
3640. Rate limiting step in adrenaline synthesis is conversion of____________?
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A. Phenylalanine to tyrosine

B. Dopa to dopamine

C. Tyrosine to dopa

D. Dopamine to nor epinephrine

3641. Chargaff rule states that___________?
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A. A+G=T+C

B. A=U=T=G=C

C. A+T=G+C

D. A/T=G/C

3642. Normal blood bilirubin level is______________?
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A. 3 4 mg%

B. 1 3 mg%

C. 4 5.5 mg%

D. 0.5 1 mg%
3643. Primary canine erupts______________?
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A. After B

B. After D

C. After E

D. Before B

3644. All are true of the genetic code except____________?
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A. Non overlapping

B. Degenerate

C. Punctuation

D. Universal

3645. Which of these is not included in parenteral therapy ?
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A. Micronutrients

B. Fibres

C. Carbohydrates

D. Fats

3646. The major driving force for formation of membrane lipid bilayer is____________?
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A. Hydrophobic interactions

B. Not known

C. Vander wall forces

D. Hydrogen bonding

3647. In the majority of situations, that first decidous tooth to erupt is the____________?
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A. Maxillary central incisor

B. Mandibular central incisor

C. Maxillary second molar

D. Mandibular first molar

3648. Codons are present on_____________?
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A. DNA

B. t-RNA

C. m-RNA

D. Ribosomal RNA

3649. At birth the following teeth are calcifying____________?
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A. Permanent canines

B. Primary incisors & first molar

C. Permanent 3rd molar

D. Primary canines & second molars

3650. Which of the following about biological membrane is true ?
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A. Symmertrical bi leaflet structures

B. Lipid and protein moiety are held by covalent interactions

C. Rigid assembly of protein, lipid and carbohydrate

D. Lipid moiety is amphipathic