Adulteration & Evaluation of Crude Drugs | Pharmacognosy | GPAT Mock Test

1. The substitution of genuine Clove with Mother Cloves, which are ripened fruits of the same plant, is an example of which type of adulteration?

2. The Lycopodium spore method is a quantitative microscopic technique used to determine the percentage purity of which of the following?

3. Which of the following is a classic example of adulteration using an artificially manufactured substitute?

4. Palisade ratio is defined as the average number of palisade cells beneath one epidermal cell. It is a constant value used for the evaluation of:

5. The ‘Vein-islet number’ is defined as the number of vein-islets per:

6. Which type of stomata, characterized by having no subsidiary cells, is a key microscopic feature of Digitalis purpurea leaves?

7. The total ash value of a crude drug is a measure of the:

8. Acid-insoluble ash value is a physical evaluation parameter that specifically measures the presence of:

9. The Swelling Index is a significant parameter for the evaluation of crude drugs containing:

10. Which of the following is NOT considered an organoleptic evaluation parameter?

11. The extremely bitter taste of Nux-vomica seeds, an important organoleptic characteristic, is attributed to the presence of:

12. The Keller-Kiliani test is a specific chemical identification test for which class of glycosides?

13. Biological evaluation (bioassay) is essential when chemical methods are inadequate. The bioassay of Digitalis, a cardiac glycoside, is carried out on:

14. The Saponification value is a chemical constant used in the evaluation of fixed oils and fats. It is an indicator of:

15. Adulterating powdered ginger with ‘spent’ or ‘exhausted’ ginger, from which the aromatic principles have already been extracted, is known as:

16. To prevent deterioration of stored crude drugs by insects, which of the following fumigation agents is commonly employed?

17. Stomatal Index (I) is a quantitative microscopic parameter calculated using the formula where S is the number of stomata and E is the number of epidermal cells in a given area. What is the correct formula?

18. The Refractive Index is an important physical constant used to determine the purity of which class of crude drugs?

19. Borntrager’s test, which produces a rose-pink to red color in the ammoniacal layer, is used for the detection of:

20. In the context of drug adulteration, the term ‘sophistication’ specifically refers to what kind of practice?

21. The microscopic examination of Senna leaf powder reveals the presence of a specific type of calcium oxalate crystals. Which are they?

22. For the biological assay of Oxytocin, which of the following animal preparations is utilized to measure its activity?

23. The alcohol-soluble extractive value is a physical evaluation method primarily used to determine the amount of:

24. The practice of adding inferior but morphologically similar Dog Senna (Cassia obovata) to official Indian Senna (Cassia angustifolia) is an example of:

25. Ergot, a crucial drug, can undergo deterioration if stored improperly. Its spoilage by fungi like Aspergillus is an example of: