Phytochemistry MCQs With Answers

15 Questions | By Alfredhook3 | Updated: Jun 10, 2022 | Attempts: 452

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Are you ready for some amazing Multiple Choice Questions (MCQs) related to phytochemistry with answers? If you are preparing to be a phytochemist or are already in this field, you should definitely play this quiz. Phytochemistry is the study of the chemicals derived from plants known as phytochemicals. These chemicals play a vital role in the growth and development of plants. Let's learn about it in detail here with the following quiz. Take the test, then.

Questions and Answers

1.

Which of the following plants named of being smooth?
- A.
  
  Papaver somniferum
- B.
  
  Hyoscyamus muticus
- C.
  
  Conium maculatum
- D.
  
  Atropa belladonna
- E.
  
  Glycyrrhiza glabra
2.

The emu oil is rich in the following acids EXCEPT:
- A.
  
  Linolenic
- B.
  
  Docosahexaenoic
- C.
  
  Alpha-linolenic
- D.
  
  Arachidonic
- E.
  
  Oleic
3.

All the following statements are true EXCEPT:
- A.
  
  Tragacanth is the "air-hardened gummy exudate flowing naturally or obtained by incision, from the trunk & branches of Astragalus gummifer
- B.
  
  Gums are generally normal products of metabolism formed within the cell (intracellular formation).
- C.
  
  Mucilages are used for storage material
- D.
  
  Mucilages are generally normal products of metabolism formed within the cell (intracellular formation).
- E.
  
  Gums & mucilage have similar constitutions and on hydrolysis yield a mixture of sugars & uronic acids.
4.

Warfarin is a derivative of......
- A.
  
  Dicoumarol
- B.
  
  Scopolamine
- C.
  
  Hyoscyamine
- D.
  
  Theophylline
- E.
  
  Morphine
5.

All the following statements are true about primary metabolites EXCEPT:
- A.
  
  Found in all plants families
- B.
  
  They are universal products
- C.
  
  Glucose is the first product
- D.
  
  All plants having chlorophyll producing them
- E.
  
  They are restricted to genus, 'S species or family.
6.

All the following statements are true about heparin EXCEPT
- A.
  
  Is a natural glycosaminoglycan with chains consisting of alternating 1-4 linked residues of sulphated uronic acids
- B.
  
  40% Sulfated (highly acidic), strong anionic charge.
- C.
  
  Is a natural glycosaminoglycan with chains consisting of alternating 1-6 linked residues of sulphated uronic acids
- D.
  
  Occurs in mast cells of many tissues of the liver
- E.
  
  Not given P.O.
7.

All the following statements are true EXCEPT
- A.
  
  A-amylase breaks down long-chain of saccharides into maltotriose and maltose from amylose
- B.
  
  A-amylase breaks down long-chain of saccharides into maltose, glucose and limit dextrin from amylopectin
- C.
  
  The hydrolysis action of beta- amylase on the alpha-1,6 linkages
- D.
  
  The hydrolytic action of beta-amylase on the of alpha-1,4 linkages
- E.
  
  A-amylase tends to be faster-acting than p-amylase
8.

All the following drugs are omega-3 EXCEPT:
- A.
  
  DPA
- B.
  
  EPA
- C.
  
  DHA
- D.
  
  Arachidonic acid
- E.
  
  A-Linolenic acid
9.

Which of the following plants named for being wild?
- A.
  
  Triticum vulgaire
- B.
  
  Allium sativum
- C.
  
  Atropa belladonna
- D.
  
  Glycyrrhiza glabra
- E.
  
  Conium maculatum
10.

All of the followings are unorganized drugs EXCEPT:
- A.
  
  Gums
- B.
  
  Plant lattices
- C.
  
  Agar
- D.
  
  Aloetic juices
- E.
  
  Prostglandins
11.

All the followings are saturated fatty acid EXCEPT:
- A.
  
  Palmitic acid
- B.
  
  Myristic acid
- C.
  
  Steric acid
- D.
  
  Oleic acid
- E.
  
  Lauric acid
12.

Oenothera biennis is rich in....
- A.
  
  DHA
- B.
  
  EPA
- C.
  
  DPA
- D.
  
  Linolenic acid
- E.
  
  Linoleic acid
13.

All the followings are derived from the acetate pathway EXCEPT
- A.
  
  Thromboxanes
- B.
  
  Gum and mucilage
- C.
  
  Saturated fatty acids
- D.
  
  Prostaglandins
- E.
  
  Leukotrienes
14.

All the following statements are true EXCEPT:
- A.
  
  Inulin is used as a Renal Function Testing
- B.
  
  The beta-linkage of cellulose is not hydrolyzed by the mammalian enzyme system, it is hydrolyzed by cellulase, which produced by microorganism.
- C.
  
  Activated charcoal is a good adsorbent at trapping chemicals, gases and prevents their absorption
- D.
  
  Dextran of relatively low molecular weight can be used as a therapeutic agent in restoring blood volume for mass casualties
- E.
  
  The anticoagulant effect of heparin s probably related to the strong electronegative charge on the molecule
15.

All the following drugs are of plant origin EXCEPT:
- A.
  
  Artemisinin
- B.
  
  Morphine
- C.
  
  Exenatide
- D.
  
  Diosgenin
- E.
  
  Taxol