Biology Revision - Nerves And Hormones - Plant Hormones
18 Questions |
By Izzy_ | Last updated: Jul 2, 2021
| Total Attempts: 289
B1. 2 - 3
Questions and Answers
Shoots grow towards...
Shoots grow away from...
________ is a plant hormone that controls growth in plants mainly in the tips of shoots and roots
If light shines from one side the hormone 1)_______ is transported 2)________ from the light at the tip.
If light shines from one side the hormone auxin is transported 2)________ from the light at the tip.
As the auxin moves down the shoot it causes cell _____________. A greater concentration of auxin on one side causes more cell _____________ on that side which causes the shoot to towards the light
(all same word)
Roots grow towards...
In roots extra auxin INHIBITS _______
If a root grows flat sideways, the auxin is transported to the bottomof the root causing a high concentration of auxin there which 1)_______ growth so there is less cell 2)___________. This means the root grows down towards gravity.
If a root grows flat sideways, the auxin is transported to the bottomof the root causing a high concentration of auxin there which inhiits growth so there is less cell 2)___________. This means the root grows down towards gravity.
A shoot grows up and towards the light which is called positive ___________
A shoot also grows away from gravity which is called negative _______________
Roots grow down and towards moisture
They also grow towards gravity which is called positive _____________
If a plant want put on its side in a pot, the plant would bend to form a 'J' sort of shape - so the plant would grow towards ______
In this same sideways plant the roots would bend and grow down to form a 'r' sort of shape - the roots would be growing towards _______.
Plant hormones cannot be used for farming
Weedkillers contain hormones that stop the plants growth which kills it.
Rooting powder contains auxin which is put on the end of cutting to encourage new roots to grow
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