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Pharmacognosy & Phytochemistry-I MCQs with Answers

Pharmacognosy & Phytochemistry-I MCQs with Answers

1. Pest is a –
a) Undesired animal
b) Manure
c) Undesired plant
d) Fertilizer
a) a,b
b) a,c
c) b,d
d) b,c

2. Phytophthora erythrosceptica which causes damping off in young seedlings is a –
a) Virus
b) Insect
c) Weed
d) Fungi

3. Cercospora dioscorea produces a leaf spot on dioscorea is a –
a) Fungi
b) Virus
c) Weed
d) Insect

4. Weed is a
a) Undesired plant
b) Undesired animal
c) Insect
d) Rodents

5. MS medium stands for
a) Gautheret medium
b) (B) Murashige and Skoog medium
c) (C) Haller’s medium
d) (D) Erikson medium

6. The pests like Ephestia elutella and Tinea pellionella are
a) Weeds
b) Insects
c) Virus
d) Fungi

7. Tissue and cells cultured in a liquid medium (without agar) produce a: –
a) Callus culture
b) Suspension culture
c) Inorganic culture
d) Protoplast culture

8. Which of the following is not a insect pest?
a) Aphids
b) Caterpillar
c) Virus
d) Termites

9. Surface sterilization is done by
a) Sodium Hypochlorite (2%)
b) Calcium hypochlorite (9-10%)
c) Mercuric chloride (0.1-1%)
d) All of the above

10. Which of the following is not a method to control the pest?
a) Agricultural
b) Biological
c) Mechanical
d) Electro-magnetic

11. An explant is
a) excised piece of tissue or organ used for culture
b) B) a organ meant for respiration
c) a secondary metabolite
d) None of the above

12. Which of the following is a biological method to control the pest?
a) Crop improvement
b) Pathogen is destroyed by another living organisms
c) Crop rotation
d) Ploughing the fields deeply

13. Who introduced the protoplasmic plant tissue culture
a) Kuster, 1909
b) Schleiden,1839
c) Zenk 1978
d) Cocking,1960

14. The techniques like hand picking, pruning, burning and trapping of pest are related to
a) Agricultural method
b) Biological method
c) Mechanical method
d) Chemical method

15. The concept of totipotency was laid by
a) Loo
b) Haberblandt
c) (C)Cocking
d) Galen

16. Rodenticides are used to kill the
a) Weeds
b) Rodents
c) Fungi
d) Virus

17. B 5 medium stands for
a) Gautheret medium
b) White’s medium
c) Gamberg et al medium
d) Erikson medium

18. In culture medium the elements required in the concentration greater than 0.5 m mol 1 are called as: –
a) Macronutrients
b) Micronutrients
c) Organic nutrients
d) Stiff agents

19. Panchamahabhuta and Tridosha theory is related to
a) Homoeopathy
b) Aromatherapy
c) Unani System
d) Ayurveda

20. According to Ayurveda PITA (Bile) is responsible for
a) transmitting sense impression to the mind
b) providing the static energy for holding body tissue together
c) all digestive and metabolic activities
d) lubrication of various points of friction

21. The Yin and Yang theory is related to :
a) Ayurveda
b) Chinese system
c) Unani system
d) Homoeopathy

22. The Hippocratic theory and Pythagorian theory find its origin in :
a) Unani system of medicine
b) Homoeopathy
c) Aromatherapy

d) Chinese system of medicine

23. The traditional healer who practices the unani system is termed as
a) Pharmacist
b) Doctor
c) Vaidh
d) Hakim

24. Who developed the Homoeopathic system of medicine?
a) Shen Nung
b) (B) N. Le’mary
c) Samuel Hahnemann
d) (D) Sir Edward

25. Raw cotton consists of
a) 62% of cellulose
b) 25% of cellulose
c) 54% of cellulose
d) 91% of cellulose

26.Most of the alkaloids have test
a) Sweet
b) Sour
c) Bitter
d) Spicy

27. The concept of Proving and Prover is related to
a) Ayurveda
b) Homoeopathy
c) C) Aromatherapy
d) Chinese system

28. Who coined the term Aromatherapy ?
a) Rene-maurice Gattefosse in 1928
b) Theophrastus in 1930
c) Caventou in 1925

d) Hooker in 1910

29. Aromatherapy provides the treatment by using
a) Tannins
b) Essential oil
c) Resins
d) Alkaloids

30. In India where cotton is not cultivated?
a) Kashmir
b) Rajasthan
c) Gujarat
d) Maharashtra

31. Aromatherapy can be effected by :
a) Local massage
b) Whole body massage
c) Aromatic baths and inhalation
d) All of the above

32. Cotton consists of hairs of the seeds of:
a) Cyamopsis tetragonolobus
b) Arachis hypogaea
c) Gossypium barbadense
d) Saraca indica

33. The book entitled “The Secret of Life and Youth” is authored by
a) Valnet
b) Bill Clinton
c) C) Maury
d) George Bush

34. Hemp and jute are:
a) Plant fibres
b) Animal fibres
c) Mineral fibres
d) Synthetic fibres

35. Gunny is
a) Gentian
b) Jute
c) Cannabis
d) Opium

36. Important chemical constituents honey is
a) Glucose
b) Fructose
c) Maltose
d) Invert sugar

37. The biological source for Indian gum is
a) Cyamopsis tetragonoglobules
b) Astragalus gammifer
c) Acacia arabica
d) Acacia senegal

38. When Indian gum is treated with ruthenium red it show
a) Pink colour
b) Red colour
c) Blue colour
d) No colour change

39. When Indian gum is treated with hydrogen peroxide and benzidine in alcohol is show blue colour due to
a) Hydrolyase enzyme
b) Oxidase enzyme
c) Reductage enzyme
d) Invertase enzyme

40. The mostly used adulterant for Indian gum is
a) Acacia senegal gum
b) Gum from Astragalus gammifer
c) Gum ghatti from Anogeissus latifolia
d) Guar gum

41. Aritifical invert sugar is an adulterant for honey and it is detected by
a) Tollen’s
b) Ninhydrine
c) Baljet test
d) Fiehe’s test

42. The water soluble portion of tragacanth is known as
a) Tragacanthin
b) Bassorin
c) Galctouronic acid
d) D-galctopyranase

43. Which is not the common use of cotton?
a) Filtering medium
b) Surgical dressing
c) Insulating material
d) Astringent

44. Agar is used as
a) Binder
b) Disintigrant
c) Emulsifying agent
d) Preservative

45.Tesla is a unit to express a
a) Frequency
b) Pressure
c) Voltage
d) Magnetic field strength

46. Optical rotation is measured by
a) Viscometer
b) Polarimeter
c) Opticometer
d) Microtome

47. Cotton is soluble in:
a) Hcl
b) KOH
c) Cold 80% sulphuric acid
d) Acetone

48. One of the following parameter is not used in quality control of crude drug
a) Total ash
b) Acid insoluble ash
c) Water soluble ash
d) Water insoluble ash

49. Which of the following is not present in raw cotton?
a) 7.5% to 8% of moisture
b) 5% of tannins
c) 91% of cellulose
d) 0.4% of fat

50. Which of the following is not a type of trichome
a) Glandular
b) Non glandular
c) Cruciferous
d) Hydathodes

51. Purified absorbent cotton is almost a pure
a) Cellulose
b) (B) Chitin
c) (C) Sodium alginate
d) (D) Talc

52. The principal of separation of HPTLC is
a) Absorption
b) Attraction
c) Adsorption
d) None of the above

53. A target material used in the production of X-rays is
a) Potassium
b) Copper

c) Aluminium
d) Sodium

54. In NMR spectrometery the chemical shift is expressed in
a) Parts per million
b) Gauses
c) Tesla
d) Hertz

55. In mass spectra the most intense peak is the
a) Base peak
b) Metastable ion peak
c) Fragment peak
d) Rearrangement ion peak

56. A solvent used in NMR studies is
a) Chloroform
b) Acetone
c) Carbontetrachloride
d) Methanol

57. Which of the following is not a aprt of flower
a) Calyx
b) Bark
c) Corolla
d) Gynoecium

58. Drug evaluation means
a) Confirmation of identity
b) Determination of purity and quality
c) Debasement of an article

d) Substitution of inferior drug
a)ac b) ab c) ad d) bd

59. The main function of stomata is
a) Exchange of gases
b) Prepare the food
c) Elongate the roots
d) None of the above

60. Generally clove is adulterated with
a) Mother clove
b) Father clove
c) Clove stalks
d) Mother clove and clove stalks