B11.9-11.10 Plant hormones (Biology separate only)
Quiz by Mr R Horn
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- Q1
Which keyword means: a growth movement in plants
Users enter free textType an Answer30s - Q2
A plant root growing towards gravity (downwards) is termed a ...
negative hydrotropism
negative geotropism
positive geotropism
positive phototropism
30s - Q3
Name the hormone that enables plants to respond to light and/or gravity?
Users enter free textType an Answer30s - Q4
Which plant hormone initiates seed germination by triggering the breakdown of starch to sugars
Auxins
Ethene
IAA
Gibberellins
30s - Q5
Which plant hormone can be used as a weedkiller, because it stimulated rapid, uncontrolled growth
Auxins
Gibberellins
Ethene
30s - Q6
True or false? Auxins are made in the growing tips (meristems) of shoots and roots.
truefalseTrue or False30s - Q7
True or false? If a plant grows with light coming from one side, auxins move to the light side of the shoot
falsetrueTrue or False30s - Q8
True or false? Auxins stimulate growth/elongation of cells in the shoots.
truefalseTrue or False30s - Q9
True or false? Auxins stimulate growth/elongation of cells in the roots.
falsetrueTrue or False30s - Q10
A plant shoot growing away from gravity (upwards) is termed a ...
negative geotropism
positive geotropism
positive phototropism
negative hydrotropism
30s - Q11
Which plant hormone is used to promote flowing throughout the year.
Ethene
Auxins
IAA
Gibberellins
30s - Q12
Which plant hormone is used to increase the size of fruit, especially seedless varieties.
IAA
Gibberellins
Ethene
Auxins
30s - Q13
Which plant hormone is used to ripen fruit (so that they can be transported before/during ripening, but make it to the supermarket shelf just at they become ripe)?
Ethene
IAA
Auxins
Gibberellins
30s - Q14
Which plant hormone is used in 'rooting hormone' to help when taking 'cuttings'?
Ethene
Auxins
Gibberellins
30s
