Which plant hormone is found in rooting powder?
Gibberellin
Auxin
Ethene
Which plant hormone ripens fruit?
Which statement about plant stems is correct?
They are positively phototropic and positively gravitropic
They are negatively phototropic but positively gravitropic
They are positively phototropic but negatively gravitropic
Which statement about plant roots is correct?
They are negatively phototropic and negatively gravitropic
Which statement about auxins is correct?
They 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
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
What is a phototropism?
A response to light
A response to gravity
A response to temperature
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
The shaded and non-shaded contain the same amount of auxin
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