Welcome to the Quiz!
This quiz contains 16 questions from a mix of 1 subtopics.
Which stimuli can plants detect?
(Select all that apply)
Light
Sound
Gravity
Touch
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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?
Gravitropism
Ectotropism
Geotropism
Phototropism
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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 negatively phototropic but positively gravitropic
They are positively phototropic but negatively 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 gravity
A response to light
A response to temperature
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Where are auxins made in the plant?
In the older part of a stem or root
In the growing tip of a stem or root
All plant cells can make auxins
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What happens to make a root grow in the direction of the force of gravity?
The top and bottom sides grow at the same rate
The top side grows more than the bottom side
The bottom side grows more than the top side
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What is positive phototropism?
Plants grow down towards the ground
Plants grow away from the light source
Plants grow towards the light source
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What effects do auxins have on plants?
Shoot cell growth and root cell growth
Shoot cell growth and root cell inhibition
Shoot cell inhibition and root cell growth
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Roots are considered:
(Select all that apply)
Negatively phototropic
Negatively geotropic
Positively phototropic
Positively geotropic
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Which statement about plant stems is correct?
They are positively phototropic but negatively gravitropic
They are positively phototropic and positively gravitropic
They are negatively phototropic but positively gravitropic
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