3402. Inhibition of glycolysis by O2 is known a_____________?
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A. Hill reaction

B. Muni effect

C. Gluconeogenesis

D. Pasteur effect
3403. An enzyme not involved in glycolysis is______________?
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A. Phosphoglycero mutase

B. Aldolase

C. Enolase

D. Glycerophosphate dehydrogenase
3404. Bile contains______________?
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A. Chenodeoxycholic acid

B. Lithocholic acid

C. Deoxycholic acid

D. All of the above

E. Cholic acid

3405. Neonatal lines are found in all of the following except____________?
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A. Enamel of primary incisors

B. Enamel of permanent canines

C. Enamel and dentin of permanent first molars

D. Dentin of permanent mandibular incisors

3406. The most abundant protein present in body is_____________?
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A. Albumin

B. Collagen

C. Globulin

D. Hemoglobin

3407. The most common enzyme deficiency in man is___________?
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A. Glucose 1,6 diphosphatase

B. Glucose 6 phosphate dehydrogenase

C. Hexokinase

D. Glucose 6 phosphatase

3408. Which of the following is non-keratinocyte ?
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A. Langerhans cell

B. Grey cell

C. RBC

D. Langhans cell

3409. Adrenaline acts on which enzyme in glycogenolysis ?
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A. Glucose diphosphatase

B. Phosphorylase

C. Hexokinase

D. Glucokinase

3410. Type II glycogen storage disorder is due to deficiency of______________?
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A. Alpha galactosidase

B. Muscle phosphorylase

C. Alpha -Glucosidase

D. Acid Lipase

3412. Acetyl Co-A acts as a substrate for all the enzymes except______________?
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A. Fatty acid synthetase

B. Malonyl CoA synthetase

C. HMG-Co A synthase

D. Malic enzyme
3413. Enzymes are classified according to_________________?
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A. All of the above

B. Nature of the enzymes

C. Action of coenzymes

D. Action on substrate
3414. Cane sugar is____________?
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A. Maltose

B. Fructose

C. Surose

D. Glucose

3415. Which of the following factors are primarily contributory to the shedding of deciduous tooth ?
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A. Masticatory pressure

B. Vascular pressure

C. Hydrostatic

D. Oncotic pressure

3416. The function of merkel cells is_______________?
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A. Sensory function

B. Secretory function

C. Nutritive function

D. Neuro sensory
3419. Most lipogenic____________?
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A. Glucose

B. Ribose

C. Galactose

D. Fructose
3420. Which of the following statement is TRUE? The hydrolysis of lactose yields glucose and galactose_____________?
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A. The hydrolysis of maltose yields glucose and fructose

B. The hydrolysis of sucrose yields only glucose

C. The hydrolysis of lactose yields glucose and galactose

D. All of the above statements are true

3421. The position of mucogingival line____________________?
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A. Shifts apically with age

B. Constant throughout the life

C. Shifts coronally with age

D. None of the above

3422. Dehydration of specimen is carried out by____________?
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A. By using 5% nitric acid

B. By using increasing percentages of alcohol

C. By using 10% formalin

D. By using liquid or solid Co2

3423. Interwining of the enamel rods at the cusp timps and the incisal edges of a tooth is called______________?
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A. Incremental lines of retzius

B. Gnarled enamel

C. Incremental lies of woven

D. Enamel spindles

3424. Synthesis of protein occurs on_____________?
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A. Nucleus

B. Golgi bodies

C. Poly ribosomes

D. Mitochondria

3425. The monsaccharide glucose is best described by which one of the following statements ?
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A. It is a ketose

B. It formspart of the disaccharide sucrose

C. It possessesan anomeric C-2 carbon atom

D. It usually exists in the furanose form

3426. In TCA cycle substrate level phosphorylation occurs at____________?
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A. None of the above

B. Succinate dehydrogenase

C. Malonate reduction

D. Thiokinase
3427. The red zones of lips have_____________?
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A. 30% Sebaceous glands

B. very small number of sebaceous glands, if any

C. Absolutely no sebaceous glands

D. 75% sebaceous glands

3428. Supporting cells of taste buds are called as_____________?
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A. Von ebner cells

B. Acini

C. Taste cells

D. Sustenticular cells
3429. During conversion of glycerol to pyruvic acid, the first glycolytic intermediate to form is_______________?
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A. 2- phospho glyceric acid

B. 3- phospho glyceric acid

C. 3- phospho glyceralehyde

D. Dihydroxy acetone phosphate
3430. Biomechanism that unites the epithelium to the tooth surface is_____________?
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A. Epithelial attachment

B. Internal basal lamina

C. Reduced enamel epithelium

D. Junctional epithelium
3431. All of the following is lined by stratified squamous epithelium, except ?
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A. Tongue

B. Roof of the soft palate

C. Lips

D. Oropharynx

3433. Which one of the following is the correct sequential order in which the given enzymes of krebs cycle are formed after a molecule of acetyl CoA______________?
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A. Citrate, Oxalocetate, Ketoglutarate

B. Oxalocetate, Ketoglutarate, Citrate

C. Ketoglutarate, Oxalocetate, Citrate

D. Citrate, Ketoglutarate, Oxalocetate

3435. Inactive precursors of enzymes are known as_______________?
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A. Proenzymes

B. Holoenzymes

C. Coenzymes

D. Apoenzymes

3437. Hertwigs root sheath is formed from______________?
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A. Stellate reticulum

B. Cervical loop

C. Stratum inter medium

D. Outer enamel epithelium

3440. Hunter Schreger band are____________?
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A. Dark and light bands of dentin seen in horizontal

B. Dark and light bands of enamel seen in horizontal ground section

C. Dark and light brands of dentin seen in longitudinal section

D. Dark and light bands of enamel seen in longitudinal ground section
3442. Gubernacular canal guides the eruption of_____________?
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A. Primary teeth

B. Permanent teeth

C. Both A and B

D. None of the above

3444. Enzymes concerned with the citric acid cycle are found in______________?
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A. Non-particulate cytoplasm

B. Ribosomes

C. Mitochondria

D. Nucleus

3445. Epithelium of the inner surface of the gingival sulcus______________?
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A. Has prominent rete pegs

B. Is keratinized

C. Is para-keratinized

D. Has no rete pegs
3446. Renal threshold for glucose is______________?
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A. 180 mg/ dl

B. 100 mg%

C. 80 mg%

D. 200 mg%

3447. The main enzyme responsible for activation of xenobiotics in (detoxification)____________?
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A. Cytochrome P-450

B. Glucuronyl transferase

C. Glutathione S-transferase

D. NADPH cytochrome P-450 reductase

3448. Accentuated incremental lines in dentin are______________?
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A. Incremental lines of von Ebner

B. Incremental lines of retzius

C. None of the above

D. Contour lines lines of owen