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WorksheetsReview #3 - Plant Responses and Hormones
Total questions: 21
Worksheet time: 11mins
A tropism is...
a change in the environment
plant response to a stimulus
something that causes a response
when photosynthesis takes place
What is the stimulus in this example?
Internal
Light
Touch
Temperature
Roots of a tree growing towards the water line of a house.
Geotropism
Phototropism
Thigmotropism
Hydrotropism
The shoot of a plant growing up.
Positive geotropism
Negative geotropism
Thigmotropism
Hydrotropism
The root of a plant growing down.
Positive geotropism
Negative geotropism
Thigmotropism
Hydrotropism
A plant growing in response to a greenhouse light.
Geotropism
Phototropism
Thigmotropism
Hydrotropism
Venus Flytrap flower reacts to a bug.
Thermotropism
Negative Geotropism
Thigmotropism
Hydrotropism
Rhododendron leaves close in cold weather.
Heliotropism
Thigmotropism
Phototropism
Thermotropism
Sunflowers turning towards the sun.
Hydrotropism
Phototropism
Thigmotropism
Geotropism
What makes a tropism positive or negative?
Positive = movement towards stimulus, Negative = movement away from stimulus
Negative = movement towards stimulus, Positive = movement away from stimulus
Who cares? It doesn't matter whether it is positive or negative
Positive = when a plant is happy, Negative = when a plant is sad
Movement away from a stimulus
geotropism
hydrotropism
stimulus
negative tropism
Movement toward a stimulus
hydrotropism
positive tropism
dormancy
stimulus
A plant's response to any stimulus
dormancy
tropism
hibernation
pollination
Water, light, ,earth, and touch are examples of
dormancy
tropisms
stimulus
hibernation
The movement of roots toward the ground or the movement of stems away from the ground
hydrotropism
geotropism
thigmotropism
phototropism
The movements in a plant in response to light
phototropism
geotropism
hydrotropism
thigmotropism
Vine grow straight along the ground until they find something to grow around like a mailbox. What made the vine stop growing straight and start wrapping around the mailbox?
negative thigmotropism
negative geotropism
positive geotropism
positive thigmotropism
Auxins are responsible for _____________ of a plant
Colour change
Watering
Phototropism
Growth
What happens when you place an over ripe banana in a fruit bowl with other fruit?
Nothing will happen
The other fruit will grow in size
Ethylene gas will cause the fruit to grow mold
Ethylene gas will cause the other fruit to ripen
What type of plant needs more than 12 hours of daylight to produce flowers?
Short Day
Long Day
Day Neutral
Day Zero
What type of plant can grow with long or short hours of daylight?
Day Zero
Night Neutral
Day Neutral
Flexible
