ASSIGNMENT 1
Each question carries 2 marks.
The correct answer is bolded.
1. Atropine and scopolamine are the two major compounds isolated from:
a. Adonsonia digitata
b. Aspalathus linearis
c. Lippia javanica
d. Datura stramonium
2. Which organisation was involved in bioprospecting of Hoodia and did not initially give credit
to the San people?
a. HSRC
b. NRF
c. CSIR
d. MRC
3. After you have isolated the pure bioactive compound, the next step is to determine its
structure using the ________.
a. HPLC
b. GC
c. TLC
d. NMR
4. Which plant is often referred to as the "cancer bush" due to its traditional use in treating
cancer among South African communities?
a. Sutherlandia frutescens
b. Aloe ferox
c. Agathosma betulina
d. Pelargonium sidoides
5. Southern Africa has over ___ species of higher plants.
a. 15 000
b. 3 300
,c. 20 000
d. 30 000
6. In South Africa about ____ species of plants are used as traditional remedies for ailments.
a. 1 300
b. 2 300
c. 300
d. 3 000
7. It is better known as ‘umathunga’ in isiZulu.
a. Harpagophytum procumbens
b. Tulbaghia violacea
c. Mentha longifolia
d. Eucomis autumnalis
8. Pelargonium sidoides contains flavonoids and pinitol, believed to have medicinal properties.
False
9. The following plant species has hunger suppressant properties:
a. Pelargonium sidoides
b. Aspalathus linearis
c. Hoodia gordonii
d. Artemisia afra
10. Marine Living Resources Act is the South African environmental law that specifically deals
with biodiversity and the conservation of medicinal plants.
False
11. The compounds 1.8-cineole, α-thujone, β-thujone, camphor and borneol are found in _____
and have been reported to have antimicrobial properties.
a. Aloe arborescens
b. Artemisia afra
c. Plectranthus ecklonii
d. Aloe ferox
, 12. Which South African plant is commonly known for its medicinal properties in treating skin
ailments and burns?
a. Sutherlandia frutescens
b. Agathosma betulina
c. Aloe ferox
d. Aspalathus linearis
13. A wet plant material is often grinded into liquid form before extraction.
False
14. It is the most used form of chromatography for routine analysis of the crude extracts.
a. High-performance liquid chromatography
b. Sephadex gel chromatography
c. Silica gel column chromatography
d. Thin layer chromatography
15. Harpagophytum procumbens belongs to the family _____.
a. Pedaliaceae
b. Apocynaceae
c. Fabaceae
d. Asphodelaceae
16. From which plant species was morphine isolated?
a. Papaver somniferum
b. Artemisia annua
c. Taxus brevifolia
d. Mentha longifolia
17. How does the South African government ensure the sustainable use of medicinal plants?
a. Through regulations and permits for harvesting.
b. By promoting synthetic alternatives.
c. By encouraging the export of raw medicinal plants.
d. By banning the use of all medicinal plants.
Each question carries 2 marks.
The correct answer is bolded.
1. Atropine and scopolamine are the two major compounds isolated from:
a. Adonsonia digitata
b. Aspalathus linearis
c. Lippia javanica
d. Datura stramonium
2. Which organisation was involved in bioprospecting of Hoodia and did not initially give credit
to the San people?
a. HSRC
b. NRF
c. CSIR
d. MRC
3. After you have isolated the pure bioactive compound, the next step is to determine its
structure using the ________.
a. HPLC
b. GC
c. TLC
d. NMR
4. Which plant is often referred to as the "cancer bush" due to its traditional use in treating
cancer among South African communities?
a. Sutherlandia frutescens
b. Aloe ferox
c. Agathosma betulina
d. Pelargonium sidoides
5. Southern Africa has over ___ species of higher plants.
a. 15 000
b. 3 300
,c. 20 000
d. 30 000
6. In South Africa about ____ species of plants are used as traditional remedies for ailments.
a. 1 300
b. 2 300
c. 300
d. 3 000
7. It is better known as ‘umathunga’ in isiZulu.
a. Harpagophytum procumbens
b. Tulbaghia violacea
c. Mentha longifolia
d. Eucomis autumnalis
8. Pelargonium sidoides contains flavonoids and pinitol, believed to have medicinal properties.
False
9. The following plant species has hunger suppressant properties:
a. Pelargonium sidoides
b. Aspalathus linearis
c. Hoodia gordonii
d. Artemisia afra
10. Marine Living Resources Act is the South African environmental law that specifically deals
with biodiversity and the conservation of medicinal plants.
False
11. The compounds 1.8-cineole, α-thujone, β-thujone, camphor and borneol are found in _____
and have been reported to have antimicrobial properties.
a. Aloe arborescens
b. Artemisia afra
c. Plectranthus ecklonii
d. Aloe ferox
, 12. Which South African plant is commonly known for its medicinal properties in treating skin
ailments and burns?
a. Sutherlandia frutescens
b. Agathosma betulina
c. Aloe ferox
d. Aspalathus linearis
13. A wet plant material is often grinded into liquid form before extraction.
False
14. It is the most used form of chromatography for routine analysis of the crude extracts.
a. High-performance liquid chromatography
b. Sephadex gel chromatography
c. Silica gel column chromatography
d. Thin layer chromatography
15. Harpagophytum procumbens belongs to the family _____.
a. Pedaliaceae
b. Apocynaceae
c. Fabaceae
d. Asphodelaceae
16. From which plant species was morphine isolated?
a. Papaver somniferum
b. Artemisia annua
c. Taxus brevifolia
d. Mentha longifolia
17. How does the South African government ensure the sustainable use of medicinal plants?
a. Through regulations and permits for harvesting.
b. By promoting synthetic alternatives.
c. By encouraging the export of raw medicinal plants.
d. By banning the use of all medicinal plants.
