Presentación sin título
Presentation
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Biology
•
University
•
Practice Problem
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Hard
Marco Cevallos
FREE Resource
13 Slides • 15 Questions
1
2
Multiple Choice
What is the significance of plant tissue culture techniques in modern agriculture and scientific research?
They are used only for decorative purposes.
They help in the rapid propagation of plants and studying physiological processes.
They are mainly used for animal cell studies.
They are not relevant in current agricultural practices.
3
4
Open Ended
Describe some of the main objectives for selecting explants in plant tissue culture and explain how these objectives influence the choice of explant.
5
6
Multiple Choice
Which of the following factors is most important for reducing contamination rates when cultivating plant explants in vitro?
Using explants from field-grown plants
Cultivating donor plants in greenhouse conditions
Employing explants with large size
Using explants from older tissues
7
8
Open Ended
Explain the role of asepsis in the success of plant tissue culture and describe two main sources of contamination.
9
10
Fill in the Blanks
Type answer...
11
12
Multiple Select
Which of the following are recommended practices for minimizing contamination in plant tissue culture?
Using untreated water for washing explants
Employing sterilized instruments and containers
Working in a sterile air transfer chamber
Using explants from contaminated cultures
13
14
Open Ended
Describe the essential components of a plant tissue culture medium and explain their functions.
15
16
Multiple Choice
Which of the following basic media contains the highest concentration of saccharose according to the table?
MS
N6
B5
None of the above
17
18
Multiple Choice
Which of the following components can be added to the culture media to prevent tissue browning caused by polyphenol oxidation?
L-cysteine
Auxins
Agar
Sucrose
19
Multiple Choice
Which nutrient is most commonly supplied in relatively high concentrations in plant tissue culture media?
Nitrogen
Phosphorus
Calcium
Magnesium
20
21
Fill in the Blanks
Type answer...
22
23
Open Ended
Explain the importance of acclimatization for plants regenerated in vitro and describe the main challenges faced during this stage.
24
25
Multiple Choice
What is the function of the sensor labeled as number 6 in the acclimatization chamber diagram?
Controls relative humidity
Measures temperature
Regulates light intensity
Monitors CO2 levels
26
27
Fill in the Blanks
Type answer...
28
Open Ended
What are some of the main factors to consider when choosing an explant for establishing plant tissue cultures in vitro?
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