Which test is used to differentiate Staphylococcus aureus from other Staphylo- coccus species?

• (A) Catalase Test
• (B) Coagulase Test
• (C) Oxidase Test
• (D) Indole Test

Which fixative is ideal for fixing tissue sections cut by a cryostat?

• (A) Formalin
• (B) Alcohol
• (C) Acetone
• (D) Bouin’s Fixative

In which method of Hb estimation is hemoglobin converted specifically into carboxyhemoglobin?

• (A) Sahli’s Method
• (B) Cyanmethemoglobin Method
• (C) Haldane Method
• (D) Tallqvist Method

Which enzyme catalyzes the insertion of iron into protoporphyrin IX during heme synthesis?

• (A) Ferrochelatase
• (B) ALA Synthase
• (C) Porphobilinogen Deaminase
• (D) Uroporphyrinogen Decarboxylase

What is the dilution factor of blood and RBC diluting fluid for a total erythro- cyte count?

• (A) 1:20
• (B) 1:100
• (C) 1:200
• (D) 1:500

Which disorder occurs due to a deficiency of galactose-1-phosphate uridyltrans- ferase?

• (A) Phenylketonuria
• (B) Galactosemia
• (C) Alkaptonuria
• (D) Maple Syrup Urine Disease

At which week of pregnancy does Human Chorionic Gonadotropin (hCG) typi- cally reach its peak?

• (A) 4–5 weeks
• (B) 8–10 weeks
• (C) 16–18 weeks
• (D) 24–26 weeks

Which class of immunoglobulin has the highest concentration in the human body?

• (A) IgA
• (B) IgG
• (C) IgM
• (D) IgE

Which specific reagent did Sanger use in 1955 to study the structure of insulin?

• (A) Ninhydrin
• (B) Phenylisothiocyanate
• (C) Fluorodinitrobenzene
• (D) Biuret Reagent

Which bacterium is capable of surviving the Holder method of pasteurization?

• (A) Mycobacterium tuberculosis
• (B) Coxiella burnetii
• (C) Salmonella typhi
• (D) Brucella abortus

What is the primary source of energy for skeletal muscle during intense activ- ity?

• (A) Fatty acids
• (B) Glycogen
• (C) Ketone bodies
• (D) Amino acids

Which microtome requires the use of a double concave knife?

• (A) Rotary Microtome
• (B) Rocking Microtome
• (C) Freezing Microtome
• (D) Sledge Microtome

Which enzyme curdles milk by converting caseinogens into paracaseinogen?

• (A) Pepsin
• (B) Rennin
• (C) Trypsin
• (D) Lipase

Which specific linkage makes cellulose unsuitable for human digestion?

• (A) \(\alpha\)-1,4 glycosidic linkage
• (B) \(\alpha\)-1,6 glycosidic linkage
• (C) \(\beta\)-1,4 glycosidic linkage
• (D) \(\beta\)-1,6 glycosidic linkage

Which biochemical test identifies {Streptococcus agalactiae} via an enhanced hemolysis pattern?

• (A) CAMP Test
• (B) Catalase Test
• (C) Coagulase Test
• (D) Oxidase Test