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1. Which reagent gives a non-stereospecific reaction with alkenes?

A. Cl₂ B. Br₂/H₂O C. HBr D. OsO₄

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2. @@Which of the following represents allylic carbocation?

A. I only B. I and II C. I and III D. II only

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3. Chemokine co-receptor for HIV found on macrophage is:

A. CD4 B. CCR5 C. CXCR4 D. CD8

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4. In lyophilized sterile powders, eutectic temperature of most organic compounds is in the range of:

A. −1°C to −12°C B. −12°C to −20°C C. −20°C to −30°C D. −30°C to −40°C

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5. Ostwald ripening effect is related to:

A. Crystal bridging B. Sedimentation rate C. Coagulate formation D. Interfacial tension

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6. The main difference between a dihydropyridine and a non-dihydropyridine calcium antagonists:

A. Site of action on L-type calcium channels B. Duration of action C. Oral bioavailability D. Vascular selectivity

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7. Which is the correct term for the inactive form of an enzyme that is often used for storage or transport?

A. Cofactor B. Zymogen C. Apoenzyme D. Coenzyme

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8. In IR of phenyl acetate, the absorption band for carbonyl group is obtained at:

A. 1800 cm⁻¹ B. 1760 cm⁻¹ C. 1710 cm⁻¹ D. 1660 cm⁻¹

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9. @@Which tautomer is most likely to bind histamine (H1/H2) receptor?

A. N/A B. N/A C. N/A D. N/A

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10. Clofibrate is most effective at reducing plasma levels of ___:

A. Triglycerides B. LDL cholesterol C. HDL cholesterol D. Bile acids

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11. Mifepristone is:

A. Estrogen antagonist B. Estrogen agonist C. Progesterone agonist D. Progesterone antagonist

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12. The solution for the following set of equations is:
5x + 4y + 10z = 13,
x + 3y + z = 7,
4x - 2y + z = 0

A. x = 2, y = 1, z = 1 B. x = 1, y = 2, z = 0 C. x = 1, y = 0, z = 2 D. x = 0, y = 1, z = 2

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13. Which of the following is employed for the repeated use of enzymes in bioprocesses?

A. Polymerization B. Immobilization C. Ligation D. Isomerization

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14. An example of an antineoplastic drug that produces therapeutic effects by virtue of being a hormone receptor antagonist is:

A. Imatinib B. Letrozole C. Flutamide D. Prednisone

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15. Find the odd one out in the given group: ALRVX, EPVZB, ITZDF, OYEIK

A. ALRVX B. EPVZB C. ITZDF D. OYEIK

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16. Among the compounds given below which one exhibits a sharp band at around 3300 cm⁻¹ in the IR spectrum?

A. 1,2-Butadiene B. 1,3-Butadiene C. 1-Butyne D. 2-Butyne

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17. Which one of the following options is the closest in meaning to the word 'Latitude'?

A. Eligibility B. Freedom C. Coercion D. Meticulousness

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18. A disaccharide that will not give Benedict's test and will not form osazone is:

A. Maltose B. Lactose C. Cellobiose D. Sucrose

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19. Which of the following toxicological agent: antidote pair is NOT correct?

A. Cyanide : Sodium nitrite B. Warfarin : Protamine C. Methanol : Ethanol D. Lead : Calcium EDTA

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20. Raju has 14 currency notes in his pocket consisting notes of only Rs. 20 notes and Rs. 10 notes. The total value of the notes is Rs. 230. The number of Rs. 10 notes that Raju has is:

A. 5 B. 6 C. 9 D. 10