What is phototropism?
Growth of shoots towards the light
Growth of shoots downwards
Growth of roots downwards following gravity
What is geotropism?
Growth of roots towards the light
Growth of roots downwards
Which of these is not a plant hormone?
Auxins
Gibberellins
Oestrogen
Which hormones are important for seed germination?
Ethene
Which process do both auxins and gibberellins control?
Germination
Flowering
Cell elongation
Which of these processes does not use plant hormones?
Selective weedkiller
Helping roots develop on cuttings
Keeping fruit unripened
Why do gardeners take cuttings?
To make identical looking clones
To make copies of a successful plant
To help plants sexually reproduce
Which chemical do bananas release which causes fruit to ripen quickly? - Higher
Which plant hormones do we use in rooting powder? - Higher
Insulin
Which plant hormones do we use in selective weedkillers? - Higher