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WorksheetsGeotropism
Total questions: 14
Worksheet time: 11mins
Geotropism is a plant's response to what?
(a)
Tropism the turning of an organisms response to what?
(a)
Negative geotropism is when a plants grows what direction from the ground
(a)
Positive geotropism is when a plant has a tendency to grow which direction from the ground?
(a)
Where are auxins made in the plant?
In the growing tip of a stem or root
In the older part of a stem or root
All plant cells can make auxins
Which side of a stem contains more auxin?
The shaded side
The side in the light
Both sides (shaded and non-shaded) contain the same amount of auxin
What happens when a root bends 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
How can plant hormones be used to control fruit ripening?
Plant hormones can only delay ripening
Plant hormones can only accelerate ripening
Plant hormones can speed up or slow down ripening
Which statement about plant stems is correct?
They are positively phototropic and positively geotropic
They are negatively phototropic but positively geotropic
They are positively phototropic but negatively geotropic
Which statement about plant roots is correct?
They are negatively phototropic and negatively geotropic
They are negatively phototropic but positively geotropic
They are positively phototropic but negatively geotropic
Which statement about auxins is correct?
Can travel from one part of the plant to another
They are only involved in responses to light
They are only involved in responses to gravity
In a horizontal plant, Auxins __________ the growth of root cells on the lower surface and causes the upper surface to elongate more quickly.
slows down
speeds up
In a horizontal plant, Auxins __________ the growth of stem cells on the lower surface and causes the stem to bend upwards
slows down
speeds up
Which side of the root grows faster in one-side light?
shaded side
lighted side
