What happens when a root bends in the direction of the force of gravity?

The top side grows more than the bottom side

Which statement about plant stems is correct?

They are positively phototropic but negatively geotropic

Where are auxins made in the plant?

In the growing tip of a stem or root

Which statement about hormones and nerves is correct?

Hormones act more slowly and their effects are longer lasting

How can plant hormones be used to control fruit ripening?

Plant hormones can speed up or slow down ripening

Which statement about plant roots is correct?

They are negatively phototropic but positively geotropic

Which statement about auxins is correct?

Can travel from one part of the plant to another

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CEDARS Plant Tropisms BBC Bitesize GCSE Biology

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Questions 10

Answers

1
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
2
What happens when a root bends in the direction of the force of gravity?
The top side grows more than the bottom side
The top and bottom sides grow at the same rate
The bottom side grows more than the top side
3
Which statement about plant stems is correct?
They are negatively phototropic but positively geotropic
They are positively phototropic but negatively geotropic
They are positively phototropic and positively geotropic
4
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
5
Which statement about hormones and nerves is correct?
Hormones act more quickly and their effects are longer lasting
Hormones act more slowly and their effects are longer lasting
Hormones act more quickly and their effects are shorter lasting
6
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
7
What is a phototropism?
A response to gravity
A response to light
A response to temperature
8
Which statement about plant roots is correct?
They are positively phototropic but negatively geotropic
They are negatively phototropic but positively geotropic
They are negatively phototropic and negatively geotropic
9
What is insulin produced by?
Stomach
Liver
Pancreas
10
Which statement about auxins is correct?
They are only involved in responses to light
Can travel from one part of the plant to another
They are only involved in responses to gravity

CEDARS Plant Tropisms BBC Bitesize GCSE Biology Flashcards | StudBud