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WorksheetsAP Biology Plant Signalling Review
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
Changes in an organisms environment that cause a response
a)
Tropism
b)
Hormone
c)
Stimuli
d)
Response
2.
A plant growing in response to the sunlight.
a)
Gravitropism
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
3.
Flowers when exposed to 12 or more hours of darkness
a)
Short day plants
b)
Long day plants
c)
Day neutral
d)
Auxins
4.
Flowers when exposed to less than 10-12 hours of darkness
a)
Long day plants
b)
Short day plants
c)
Day neutral plants
d)
Gibberellins
5.
Helps fruit ripen
a)
Auxin
b)
Gibberellin
c)
Cytokinins
d)
Ethylene
6.
Breaks seed dormancy and promotes growth (can make fruit bigger)
a)
Auxin
b)
Gibberellin
c)
Cytokinins
d)
Ethylene
7.
Promotes cell division and prevents senescence (cell breakdown)
a)
Gibberellin
b)
Auxin
c)
Cytokinins
d)
Ethylene
8.
When the plant responds to gravtiy
a)
Phototropism
b)
Thigmotropism
c)
Gravitropism
d)
Hydrotropism
9.
Substances that act as chemical messengers within plants controlling functions
a)
Chemicals
b)
Plant Hormones
c)
Adrenaline
d)
Photosynthesis
10.
Causes fruits to ripen
a)
Ethylene
b)
Auxin
c)
Gibberellin
d)
Cytokinin
11.
Hormone that can keep cut flowers fresh for longer
a)
Auxin
b)
Ethylene
c)
Absisic Acid
d)
Cytokinins
12.
Hormone related to the growth of the plant in response to tropisms
a)
Auxin
b)
Cytokinins
c)
Ethylene
d)
Absisic acid
13.
When a plant responds to a pathogen by signalling all infected cells to induce apoptosis.
a)
Hypersensitive response
b)
Systemic Acquired response
c)
Barrier Defenses
d)
Cytokine Storm
14.
When a plant responds to a pathogen by signalling other parts of the plant to prepare for infection by the pathogen.
a)
Hypersensitive response
b)
Systemic Acquired response
c)
Barrier Defenses
d)
Cytokine Storm
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