9-1 Plant defences
Authored by James Fraser
Biology
9th Grade
Used 48+ times
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10 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
What covers leaves and stems of most plants acting as a physical barrier to stop pathogens entering?
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What term describes passion flowers having small yellow spots on its leaves that look like the eggs left behind by butterflies?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The presence of large thorns on roses is what type of defence?
Chemical
Mechanical
Physical
Mimicry
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The plant cell has a cellulose cell wall which acts as another barrier against infection. Identify this type of defence.
Physical
Chemical
Mimicry
Mechanical
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What type of chemicals are produced by plants such as mint and witch hazel produce to limit the spread of bacteria?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the type of defence provided by the berries of the deadly nightshade plant.
Mechanical
Chemical
Physical
Mimicry
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Some plants droop or curl when animals touch them - identify this type of defence.
Chemical
Physical
Mechanical
Mimicry
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