Welcome to the Quiz!
This quiz contains 16 questions from a mix of 1 subtopics.
Which stimuli can plants detect?
(Select all that apply)
Sound
Light
Touch
Gravity
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Do plants have a nervous system?
Yes
No
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True or false? Plant hormones only act locally.
True
False
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_________ are a family of plant hormones produced in the tips of shoots and roots. Once produced, they diffuse backwards along the shoot or root.
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Which two of the terms below mean the same thing?
Ectotropism
Phototropism
Geotropism
Gravitropism
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Auxins always accumulate on the: Upper side Lower side
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Sunny side Shaded side
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Shoots are considered:
(Select all that apply)
Positively phototropic
Negatively phototropic
Positively geotropic
Negatively geotropic
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Which statement about plant roots is correct?
They are positively phototropic but negatively gravitropic
They are negatively phototropic but positively gravitropic
They are negatively phototropic and negatively gravitropic
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State which direction the plant shoot in the image above will grow, and explain why.
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What is a phototropism?
A response to light
A response to temperature
A response to gravity
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Where are auxins made in the plant?
In the growing tip of a stem or root
All plant cells can make auxins
In the older part of a stem or root
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What happens to make a root grow in the direction of the force of gravity?
The top side grows more than the bottom side
The bottom side grows more than the top side
The top and bottom sides grow at the same rate
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What is positive phototropism?
Plants grow down towards the ground
Plants grow towards the light source
Plants grow away from the light source
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What effects do auxins have on plants?
Shoot cell growth and root cell growth
Shoot cell inhibition and root cell growth
Shoot cell growth and root cell inhibition
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Roots are considered:
(Select all that apply)
Negatively geotropic
Positively geotropic
Negatively phototropic
Positively phototropic
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Which statement about plant stems is correct?
They are negatively phototropic but positively gravitropic
They are positively phototropic but negatively gravitropic
They are positively phototropic and positively gravitropic
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